International Proceedings
| 2023 | |
| 152 | Unal D.H. (2023) ‘The Effect of Layer Thickness on High-Performance MSM Photodetector Structure” was presented at the “From Epitaxial Materials towards Technological Transfer Academic / Industrial meeting” Workshop, Paris Saclay University, 28-31 August 2023 |
| 2022 | |
| 151 | Ozbakır, F. K., Demir I., & Altuntas, I. (2022). Effect of V/III ratio on AIN thin films grown on patterned sapphire substrate. Presented at The 3th International Scientific Research Congress (Science and Engineering), Ankara, Turkey, 11-12 March 2022. |
| 150 | Baghdedi D., Hopoğlu H., Sarıtaş S., Demir İ., Altuntaş İ., Gür E., Şenadım Tüzemen E. (2022). Reflectance properties of Geo2 films grown on P-Si substrate deposited by Magnetron Sputtering. Presented at 3nd International Conference on Light and Light-based Technologies (ICLLT) Gazi University, Ankara, Turkey, 25-27 May 2022. |
| 149 | Hopoglu H., Kaya D., Akyol M., Demir I., Altuntas I., Ekicibil A., Senadım Tuzemen E. (2022). Dependence of film thicknesses on the XRD, AFM and Transmittance Properties of NiOx. Presented at 3nd International Conference on Light and Light-based Technologies (ICLLT) Gazi University, Ankara, Turkey, 25-27 May 2022. |
| 148 | Heidrich, J., Gaulke, M., Alaydin, B. O., Golling, M., Barh, A., & Keller, U. (2022). First SESAM-modelocked VECSEL without intracavity heatspreader at a center wavelength of around 2 µm. In Vertical External Cavity Surface Emitting Lasers (VECSELs) XI (p. PC1198406). SPIE, California, United States, 1 April 2022. |
| 147 | Heidrich, J., Gaulke, M., Alaydin, B. O., Golling, M., Barh, A., & Keller, U. (2022). Recent advances of InGaSb SESAMs in the 2 to 2.4-µm wavelength regime. Presented at Vertical External Cavity Surface Emitting Lasers (VECSELs) XI (p. PC1198407). SPIE, California, United States, 1 April 2022. |
| 146 | Huwyler, N., Gaulke, M., Heidrich, J., Golling, M., Barh, A., Alaydin, B. Ö., & Keller, U. (2022). Thermal management in 2-µm InGaSb VECSEL using a hybrid-metal Bragg mirror. Presented at Vertical External Cavity Surface Emitting Lasers (VECSELs) XI (p. PC119840A). SPIE, California, United States, 1 April 2022. |
| 145 | Heidrich, J., Gaulke, M., Alaydin, B. O., Golling, M., Barh, A., & Keller, U. (2022). SESAMs for High-Power Ho-Doped Lasers at 2.1 um, Presented at Optica High-brightness Sources and Light-driven Interactions Congress 2022, Technical Digest Series (Optica Publishing Group, 2022), Budapest, Hungary, 21-25 March 2022. |
| 144 | Tomilov, S., Saraceno, M., Heidrich, J., Alaydin, B. Ö., Golling, M., Wang, Y., Keller, U., & Saraceno, C. J. (2022). Power-scaling of ultrafast 2-μm thin-disk laser oscillators. Presented at the Conference on Solid State Lasers XXXI: Technology and Devices, SPIE, California, United States, 4 March 2022. |
| 2021 | |
| 143 | Heidrich, J., Gaulke, M., Alaydin, B. O., Golling, M., Barh, A., & Keller, U. (2021). Precise mid-infrared characterization of InGaSb/GaSb SESAMs. Presented at the Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (pp. 1-1), IEEE, June 2021. |
| 142 | Alaydin, B. O., Heidrich, J., Gaulke, M., Golling, M., Barh, A., & Keller, U. (2021). Mid-infrared type-I InGaSb/GaSb quantum well SESAM. Presented at the Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) (pp. 1-1), IEEE, June 2021. |
| 141 | Tomilov, S., Hoffmann, M., Heidrich, J., Alaydin, B. O., Golling, M., Wang, Y., … & Saraceno, C. J. (2021). High-Power SESAM-modelocked Ho: YAG laser at 2090 nm. In Advanced Solid State Lasers (pp. ATu3A-3), Optical Society of America, October 2021. |
| 140 | Hopoglu, H., & Senadım Tüzemen, E. (2021). Optical properties of NiO x thin films produced by magnetron sputtering at different pressures. Presented at the 3. International Sciences and Innovation Congress, Ankara, Turkey, 21-22 November 2021. |
| 139 | Hopoglu, H., Aydinoglu, H. S., & Senadım Tuzemen, E. (2021). Influence of oxygen pressure on optical properties of RF magnetron sputtering Ga2O3 thin films. Presented at the 3. International Sciences and Innovation Congress, Ankara, Turkey, 21-22 November 2021. |
| 138 | Hopoglu, H., Aydinoglu, H. S., Demir, I., Altuntas, I., Simsir, M., & Senadım Tuzemen, E. (2021). Influence of pressure on ZnO/Al2O3 produced by RF magnetron sputtering on glass substrate. Presented at the IX. International Advanced Technologies, 28-29 October 2021. |
| 137 | Hopoglu, H., Sarıtas, S., Aydinoglu, H. S., Ertugrul, M., Gur, E., & Senadım Tuzemen, E. (2021). Effect of oxygen pressure on structural and optical properties of germanium oxide thin films produced by RF magnetron sputtering technique. Presented at the IX. International Advanced Technologies, 28-29 October 2021. |
| 136 | Altuntas, I. (2021). The influence of the different arsine flows on the properties of in GaAs layer grown on inp substrate by MOVPE. Presented at the 2th International Engineering and Architecture Congress. International Science and Art Research Centre (ISARC), Istanbul, Turkey, 20-21 June 2021. |
| 135 | Altuntas, I. (2021). Investigation of the optical properties of the exponential confinement GaAs/AlGaAs quantum well under applied external fields. Presented at the 11th International Scientific Research Congress (UBAK). Ankara, Turkey, 20-21 August 2021. |
| 134 | Barth, A., Alaydin, B. O., Heidrich, J., Gaulke, M., Golling, M., Phillips, C. R., & Keller, U., (2021). 1-Watt SESAM-Modelocked fs-Cr:ZnS Oscillator at 2.4 µm. Presented at the Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 21 – 25 June 2021. |
| 133 | Tomilov, S., Hoffmann, M., Heidrich, J., Alaydin, B. O., Golling, M., Wang, Y., Keller, U., & Saraceno, C. J. (2021). 40 W SESAM-modelocked Ho:YAG thin-disk laser at 2090 nm. Presented at the Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 21 – 25 June 2021. |
| 132 | Gaulke, M., Heidrich, J., Alaydin, B. O., Golling, M., Barh, A., & Keller, U. (2021). Gain characterization of 2-µm GaSb VECSELs. Presented at the Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), 21 – 25 June 2021. |
| 131 | Barh, A., Alaydin, B. O., Heidrich, J., Gaulke, M., Golling, M. Phillips, C. R., & Keller, U. (2021). SESAM mode-locked high-power sub-100-fs Cr:ZnS oscillator at 2.37 μm. Presented at the Conference on Lasers and Electro-Optics. OSA Technical Digest (Optical Society of America), California, USA, 9-14 May 2021. |
| 130 | Alaydin, B. O., Heidrich, J., Gaulke, M., Golling, M., Barh, A., & Keller, U. (2021). 2.35-μm InGaSb/GaSb SESAM. Presented at the Conference on Lasers and Electro-Optics. OSA Technical Digest (Optical Society of America), California, USA, 9-14 May 2021. |
| 129 | Heidrich, J., Gaulke, M., Alaydin, B. O., Golling, M., Barh, A., & Keller, U. (2021). Full mid-infrared characterization of InGaSb SESAMs. Presented at the Conference on Lasers and Electro-Optics. OSA Technical Digest (Optical Society of America), California, USA, 9-14 May 2021. |
| 128 | Tomilov, S., Hoffmann, M., Heidrich, J., Alaydin, B. O., Golling, M., Wang, Y., Keller, U., & Saraceno, C. J. (2021). SESAM-modelocked Ho:YAG thin-disk laser with 40.5 W of average power. Presented at the Conference on Lasers and Electro-Optics. OSA Technical Digest (Optical Society of America), California, USA, 9-14 May 2021. |
| 127 | Barh, A. , Alaydin, B. O., Heidrich, J., Gaulke, M., Golling, M., Phillips, C. R., & Keller, U. (2021). Two gigahertz femtosecond Cr:ZnS oscillator at 2.4 μm with 0.8-W average output power. Presented at the Conference on Lasers and Electro-Optics. OSA Technical Digest (Optical Society of America), California, USA, 9-14 May 2021. |
| 126 | Kaya, D., Aydinoglu, H. S., Senadim Tuzemen, E., & Ekicibil, A. (2021), Formation of p-type NiO thin films on different substrates: Structural, electrical, optical, and magnetic properties. Presented at the International Conference on Oxide Materials for Electronic Engineering. Fabrication, Properties and Applications (OMEE), Lviv, Ukraine, 28 September – 2 October 2021. |
| 125 | Hopoglu, H., Aydinoglu, H. S., & Senadım Tuzemen, E. (2021). Optical properties of nitrogen doped ZnO thin films grown on n-Si and glass substrate. Presented at the 2nd International Conference on Light and Light-based Technologies (ICLLT), Gazi University, Ankara, Turkey, 26-28 May 2021. |
| 124 | Hopoglu, H., Aydinoglu, H. S., Ozer, A., & Senadım Tuzemen, E. (2021). Thickness dependence of structural and optical properties of nitrogen doped ZnO thin films on glass. Presented at the 2nd International Conference on Light and Light-based Technologies (ICLLT), Gazi University, Ankara, Turkey, 26-28 May 2021. |
| 123 | Aydinoglu, H. S., Hopoglu, H., & Senadım Tuzemen, E. (2021). Structural and morpholojical characterization of nitrogen doped ZnO thin films. Presented at the 2nd International Conference on Light and Light-based Technologies (ICLLT), Gazi University, Ankara, Turkey, 26-28 May 2021. |
| 122 | Aydinoglu, H. S., Kaya, D., Senadım Tuzemen, E., & Ekicibil, A. (2021). Structural and electrical properties of p-type NiO thin films produced by thermal evaporation on different substrates. Presented at the 2nd International Conference on Light and Light-based Technologies (ICLLT), Gazi University, Ankara, Turkey, 26-28 May 2021. |
| 2020 | |
| 121 | Genc, M., Sheremet, V., Altuntas, I., Demir, I., Gur, E., Elagoz, S., Gulseren, O., Ozgur, U., Avrutin, V., Morkoc, H., et al. (2020). PECVD grown SiN photonic crystal micro-domes for the light extraction enhancement of GaN LEDs. Gallium Nitride Materials and Devices XV 2020, California, United States Of America, 4 – 06 February 2020, vol.11280. |
| 120 | Sayrac, M. (2020). Diffractive imaging using a table-top coherent fem to second soft x ray laser source. Ankara II. Uluslararasi Bilimsel Arastirmalar Kongresi, Ankara, 06 – 08 March 2020. |
| 119 | Sayrac, M. (2020). Alignment dependence of high harmonic generation signal from Co2 molecule using Pump-Probetechnique. OECD Studies Conference of Natural and Environmental Sciences, 19 – 21 March 2020. |
| 118 | Karakus, I., Altuntas, I., & Demir, I (2020). Si Alttasi uzerine buyutulmus AlN ince filmlerin spektroskopik elipsometre teknigi ile optik karakterizasyonu. 9. Uluslararasi Bilimsel Arastirmalar Kongresi (UBAK), Ankara, Turkey, 12 – 13 December 2020. |
| 117 | Simsek, I., Yolcu, G., Kocak, M. N., Altuntas, I., & Demir, I. (2020). Cekirdeklenme tabakasi sicakliginin MOCVD yontemi ile buyutulen AlN ince filmlerin kristal kalitesine etkisi. 9. Uluslararasi Bilimsel Arastirmalar Kongresi (UBAK), Ankara, Turkey, 12 – 13 December 2020. |
| 116 | Purlu, K. M., Pertikel, I., Altuntas, I., & Demir, I. (2020). MOVPE PALE teknigi ile safir uzerine Si katkili AlN’in epitaksiyel buyutulmesi ve karakterizasyonu. 9. Uluslararasi Bilimsel Arastirmalar Kongresi (UBAK), Ankara, Turkey, 12 – 13 December 2020. |
| 2019 | |
| 115 | Senadım Tuzemen, E., Mobtakeri, S., Akaltun, Y., Ozer, A., Kılıc, M., & Gur, E. (2019). The influence of deposition pressure and sputtering power on the structural and optical properties of gallium oxide films deposited by RF magnetron sputtering. Presented at the 6th International Conference on Materials Science and Nanotechnology For Next Generation (MSNG2018), Nigde, Turkey, 16-18 October 2019. |
| 114 | Demir, I., Altuntas, I., Bulut, B., Kocak, M. N., & Yolcu, G. (2019). Growth and characterization study of MOVPE grown AlN on Si and Al2O3 substrates. Presented at the 18th European Workshop on Metal-Organic Vapour Phase Epitaxy (EW-MOVPE 18th), Vilnius, Lithuania, 16 – 19 June 2019. |
| 113 | Demir, I., & Altuntas, I. (2019). Study of defects in GaN epilayer grown on patterned sapphire substrate by MOCVD. Presented at the 18th European Workshop on Metal-Organic Vapour Phase Epitaxy (EW-MOVPE 18th), Vilnius, Lithuania, 16 – 19 June 2019. |
| 112 | Genc, M., Sheremet, V., Elci, M., Kasapoglu, A. E., Altuntas, I., Egin, G., Islamoglu, S., Gur, E., Muzafferoglu, N., Elagoz, S., Gulseren, O., & Aydinli, A. (2019). Performance improvement of InGaN/GaN blue LEDs with distributed contact flip chip design. Presented at the 13th International Conference on Nitride Semiconductors (ICNS 13), Bellevue, Washington, 7 – 12 July 2019. |
| 111 | Sayrac, H., & Sayrac, M. (2019). GaAs/Ga1-xAlxAs heteroyapisinin yapisal karakterizasyonu. 25. Yogun Madde Fizigi Toplantisi, 20 December 2019. |
| 110 | Sayrac, M., Sayrac, H., Ari, M., & Taplamacioglu, M. C. (2019). Propagation of gaussian beam in nonlinear media. Presented at the 15th International Conference on Technical and Physical Problems of Electrical Engineering, 14 – 15 October 2019. |
| 109 | Sayrac, M., Ari, M., Taplamacioglu, M. C., & Rehabi, J. (2019). Architecture and future prospect of 5G technology. Presented at the International Conference on Multidisciplinary, Education, Science, Engineering and Technology, 20 – 21 September 2019. |
| 108 | Sayrac, H., & Sayrac, M. (2019). Gaussian laser beam and its parameters. Presented at the Turkish Physical Society 35th International Physics Congress, 4 – 8 September 2019. |
| 107 | Sayrac, H., Sayrac, M., & Elagoz, S. (2019). Structural characterization of GaAs/ GaAlAs heterostructures by XRD method. Presented at the Turkish Physical Society 35th International Physics Congress (TPS-35), 4 – 8 September 2019. |
| 2018 | |
| 106 | Zeyrek, B. K., Senadim Tuzemen, E., Kilic, M., & Esen, R. (2018). Characterization of graphene nanowalls GNWs deposited under argon atmosphere. Presented at the 5th International Conference on Materials Science and Nanotechnology For Next Generation (MSNG-2018). |
| 105 | Senadim Tuzemen, E., Kilic, M., Kesik Zeyrek, B., & Esen, R. (2018). Surface morphology and chemical state study of graphene nanowalls GNWs prepared by pulsed filtered cathodic vacuum arc deposition method. Presented at the 5th International Conference on Materials Science and Nanotechnology For Next Generation (MSNG-2018). |
| 104 | Alaydin, B. O., Altun, D., Senadim Tuzemen, E., & Elagoz, S. (2018). Growth and characterization of grown optical pumped VCSEL. Presented at the International Eurasian Conference on Science, Engineering and Technology (EurasianSciEnTech 2018). |
| 103 | Senadim Tuzemen, E., Mobtakeri, S., Akaltun, Y., Ozer, A., Kilic, M., & Gur, E. (2018). The influence of deposition pressure and sputtering power on the structural and optical properties of gallium oxide films deposited by RF magnetron sputtering. Presented at the 6th International Conference on Materials Science and Nanotechnology For Next Generation (MSNG-2018). |
| 102 | Demir, I., McClintock, R., Kocak, Y., Altuntas, I., Kasapoglu, A. E., Gur, E., … Razeghi, M. (2018). Pulsed MOVPE Growth of high quality AlGaN epilayers for ultraviolet LED applications. Presented at the European Conference on Laser Optics Photonics. |
| 101 | Demir, I., Li, H., Robin, Y., McClintock, R., Elagoz, S., & Razeghi, M. (2018). Sandwich method to grow high quality AlN by MOCVD. Presented at the 19th World Congress on Materials Science and Engineering. |
| 100 | Altuntas, I., Demir, I., & Elagoz, S. (2018). Effect of V/III ratio on C plane GaN layers with two stages HT GaN. Presented at the 4th International Conference on Engineering and Natural Sciences (ICENS). |
| 99 | Demir, I., Altuntas, I., & Elagoz, S. (2018). Growth and characterization study on strain balanced quantum cascade laser structures. Presented at the 4th International Conference on Engineering and Natural Sciences (ICENS). |
| 98 | Altun, D., Altuntas, I., Demir, I., Gur, E., & Elagoz, S. (2018). Annealing effect on optical and electrical properties of p-GaN. Presented at the International Eurasian Conference on Science, Engineering and Technology (EurasianSciEnTech 2018). |
| 97 | Demir, I. (2018). Growth temperature effect investigation of pulsed atomic layer epitaxy grown AlN on non patterned silicon substrate. Presented at the International Congress on Engineering and Architecture (ENAR-2018). |
| 96 | Altuntas, I., Demir, I., Kizilbulut, A. A., Bulut, B., & Elagoz, S. (2018). Growth and characterization of epitaxially grown GaN layer on patterned sapphire substrate. Presented at the Lasers Optics Photonics and Atomic Plasma Science. |
| 95 | Altuntas, I., Demir, I., Kizilbulut, A. A., Bulut, B., & Elagoz, S. (2018). Comprehensive comparison of epitaxially grown GaN layer grown on conventional sapphire and patterned sapphire substrate. Presented at the 19th World Congress on Materials Science and Engineering. |
| 94 | Altuntas, I., Demir, I., Kizilbulut, A. A., Bulut, B., & Elagoz, S. (2018). Defect reduction in GaN epilayer with different V/III ratio grown on patterned sapphire substrate. Presented at the International Congress on Engineering and Architecture (ENAR-2018). |
| 93 | Altuntas, I., Demir, I., Kizilbulut, A. A., Bulut, B., & Elagoz, S. (2018). Defect reduction of epitaxially grown GaN layer on patterned sapphire substrate. The International Conference UV LED Technologies & Applications (ICULTA), Berlin, Germany, 22 – 25 April 2018. |
| 92 | Demir, I., Li, H., McClintock, R., Altuntas, I., Elagoz, S., Zekentes, K., & Razeghi, M. (2018). AlN growth and characterization on silicon substrates for UV applications. The International Conference UV LED Technologies & Applications (ICULTA), Berlin, Germany, 22 – 25 April 2018. |
| 91 | Altuntas, I., Demir, I., Bulut, B., Kasapoglu, A. E., Mobtakeri, S., Gur E., & Elagoz, S. (2018). Defect reduction in GaN layer with different V/III ratio grown on sapphire substrate using MOCVD for light emitting diode application. Gazi University I. Light and Light-Based Technologies Workshop, Ankara, Turkey, 15 May 2018. |
| 90 | Sheremet, V., Gheshlaghi, N., Sozen, M., Elci, M., Sheremet, N., Aydinli, A., Altuntas, I., Ding, K., Avrutin, V., Ozgur, U., & Morkoc, H. (2018). InGaN zor telafi tabakasinin InGaN/GaN mavi LED’ler uzerine etkileri. Gazi University I. Light and Light-Based Technologies Workshop, Ankara, Turkey, 15 May 2018. |
| 89 | Sheremet, V., Gheshlaghi, N., Sozen, M., Elci, M., Sheremet, N., Aydinli, A., Altuntas, I., Ding, K., Avrutin, V., Ozgur, U., & Morkoc, H. (2018). Enhancement in blue LEDs with step graded electron injectors by InGaN stress compensation layers. The 19 th International Conference on Metalorganic Vapor Phase Epitaxy (ICMOCVP-XIX), Nara Kasugano International Forum, Nara, Japan, 3-8 June 2018. |
| 88 | Demir, I., Altuntas, I., Bulut, B., Kocak, Y., Kasapoglu, A. E., Kizilbulut, A. A., Gur, E., & Elagoz, S. (2018). Comprehensive MOCVP growth and characterization study on GaAs/Ge heterostructures. The 19 th International Conference on Metalorganic Vapor Phase Epitaxy (ICMOCVP-XIX), Nara Kasugano International Forum, Nara, Japan, 3-8 June 2018. |
| 87 | Sayrac, M. (2018). Femtosaniyeli lazerler ile dogrusal olmayan frekans donusumu ve uygulamalar. Davetli Konusmaci, 24. Yogun Madde Fizigi Ankara Toplantisi, Ankara, Turkey, 21 December 2018. |
| 86 | Sayrac, M. (2018). Pressure dependence of high order harmonic generation in nitrogen molecule. II. International Scientific and Vocational Studies Congress, 17 – 19 October 2018. |
| 85 | Sayrac, M., Ari, M., & Taplamacioglu, M. C. (2018). Advantages and challenges of free space optical communicaton. 14th International Conference On Technical and Physical Problems Of Electrical Engineering, 15 – 17 October 2018. |
| 84 | Sayrac, M. (2018). High harmonic generation in two color laser field. II. International Scientific and Vocational Studies Congress, 5 – 8 July 2018. |
| 83 | Sayrac, M. (2018). High order harmonic generation from laser algned molecule. II. International Scientific and Vocational Studies Congress, 5 – 8 July 2018. |
| 82 | Sayrac, M. (2018). Pressure dependence of high order harmonic generation in nitrogen molecule. II. International Scientific and Vocational Studies Congress, 5 – 8 July 2018. |
| 2017 | |
| 81 | Alaydin, B. O., Senadim Tuzemen, E., & Elagoz, S. (2017). Modelling of highly reflective GaAs AlxGa1-xAs DBR structure for 980 nm VCSELs. Presented at the 4th International Conference On Materials Science and Nanotechnology For Next Generation (MSNG-2017). |
| 80 | Alaydin, B. O., Senadim Tuzemen, E., & Elagoz, S. (2017). Modelling highly reflective AlAs1-xPx GaAs Dbr structure. Presented at the Internatonal Conference On Condensed Matter and Material Sciences. |
| 79 | Takci, D. K., Senadim Tuzemen, E., & Esen, R. (2017). Fabrication and photovoltaic properties of Al doped ZnO thin films. Presented at the 4st International Conference on Materials Science and Nanotechnology For next Generation (MSNG-2017). |
| 78 | Kilic, M., Senadim Tuzemen, E., Zeyrek, B. K., & Esen, R. (2017). Effect of argon atmosphere on spectroscopic ellipsometry properties of carbon films using pulsed filtered cathodic vacuum arc deposition technique. Presented at the International Conference On Condensed Matter and Material Sciences, Adana, Turkey. |
| 77 | Alaydin, B. O., Altuntas, I., Senadim Tuzemen, E., & Elagoz, S. (2017). Simulation of highly reflective GaN/AlxGa1-xN DBR structure for UV blue LEDs. Presented at the 4th International Conference On Materials Science and Nanotechnology For Next Generation (MSNG-2017). |
| 76 | Senadim Tuzemen, E., Alaydin, B. O., & Elagoz, S. (2017). Investigation of ZnO based distributed bragg reflectors DBRs by using transfer matrix method. Presented at the 4th International Conference On Materials Science and Nanotechnology For Next Generation. |
| 75 | Alaydin, B. O., Senadim Tuzemen, E., & Elagoz, S. (2017). Simulation of GaAs based DBR structures for VCSEL application. Presented at the International Conference On Condensed Matter and Material Sciences. |
| 74 | Demir, I., Altuntas, I., Bulut, B., Kizilbulut, A. A., & Elagoz, S. (2017). Improved GaN Quality by Two Stages Ammonia Flow. Presented at the III International Conference on Engineering and Natural Science (ICENS), Budapest, Hungary. |
| 73 | Elagoz, S., & Demir, I. (2017). MOCVD Grown InGaAs/InAlAs Superlattices for Quantum Cascade Laser Applications. Presented at the International Congress on Semiconductor Materials and Devices, Konya, Turkey. |
| 72 | Altuntas, I., Demir, I., Kizilbulut, A. A., Bulut, B., Erkus, M., Cetinkaya, A. O., & Elagoz, S. (2017). Study of defects in GaN epilayer grown on patterned sapphire substrate. Presented at the III. International Conference on Engineering and Natural Science (ICENS), Budapest, Hungary. |
| 71 | Demir, I., Altuntas, I., Bulut, B., & Elagoz, S. (2017). The Influences of carrier gas flow on crystal quality of GaN. Presented at the Turkish Physical Society 33rd International Physics Congress, Bodrum, Turkey. |
| 70 | Altuntas, I., Demir, I., & Elagoz, S. (2017). The effects of two stages GaN growth with different V/III ratios during 3D 2D transition. Presented at the 8th International Conference and Exhibition on Lasers, Optics Photonics. Las Vegas, USA. |
| 69 | Demir, I., Altuntas, I., & Elagoz, S. (2017). Using source delay technique to grow high quality InAlAs/InGaAs superlattices by MOCVD. Presented at the 17th European Workshop on Metalorganic Vapour Phase Epitaxt (EW-MOVPE17), Greonable, France. |
| 68 | Altuntas, I., Demir, I., & Elagoz, S. (2017). Growth of high quality InGaN/GaN multi qantum well via MOCVD and introducing a technique for precise thickness determination. Presented at the 17th European Workshop on Metalorganic Vapour Phase Epitaxt (EW-MOVPE17), Greonable, France. |
| 67 | Demir, I., Altuntas, I., Kizilbulut, A. A., Bulut, B., & Elagoz, S. (2017). Optical comparison of MOCVD grown GaN layers on flat and patterned sapphire substrates. Presented at the III International Conference on Engineering and Natural Science (ICENS), Budapest, Hungary. |
| 66 | Demir, I., Li, H., Robin, Y., McClintock, R., Altuntas, I., Elagoz, S., … Razeghi, M. (2017). High quality nitride materials AlN and AlGaN on Si and sapphire substrates and UV LED applications. Presented at the 8th International Conference and Exhibition on Lasers, Optics Photonics, Las Vegas, USA. |
| 65 | Altuntas, I., Demir, I., Kizilbulut, A. A., Bulut, B., & Elagoz, S. (2017). Structural comparison of epitaxially grown GaN layer on conventional sapphire and patterned sapphire substrates. Presented at the III International Conference on Engineering and Natural Science (ICENS), Budapest, Hungary. |
| 64 | Sayrac, M., Strohaber, J., Boran, Y., Johnson, L., Zhu, F., Kolomenskii, A. A., & Schuessler, H. A. (2017). Nonlinear mixing of optical vortices with fractional topological charges in raman sideband generation. Aps March Meeting, 13- 17 March 2017. |
| 63 | Sayrac, M., Kolomenskii, A. A., Boran Y., & Schuessler, H. A. (2017). Toward imaging of small objects with Xuv Radiation. Aps March Meeting, 13- 17 March 2017. |
| 62 | Altun, D., Alaydin, B. O. , Bulut, B., Erkus, M., & Elagoz, S., (2017). Effect of lt gowth of GaN thickness on the structural properties of GaN grown on PSS By MOCVD. International Mediterranean Science and Engineering Congress, 25- 27 October 2017. |
| 2016 | |
| 61 | Senadim Tuzemen, E., Takci, D. K., Yilmaz, S., & Esen, R. (2016). Influence of al concentration on optical and electrical properties of ZnO Al thin films. Presented at the TFD32, Turk Fizik Dernegi 32. Uluslararasi Fizik Kongresi, Bodrum, Turkey, 6-9 September 2016. |
| 60 | Takcı, D. K., Senadim Tuzemen, E., & Esen, R. (2016). Investigation of optical band gap of Zinc nitride films prepared by pulsed filtered cathodic vacuum arc deposition. Presented at the IMSEC-2016, Cukurova, Turkey. |
| 59 | Dogan, H., Senadim Tuzemen, E., Duman, S., & Ozcelik, F. (2016). Fabrication and electrical characterization of Al n ZnO p Si Al heterojunction diode. Presented at the IPCAP International Physics Conference at the Anatolian Peak. |
| 58 | Alaydin, B. O., Senadim Tuzemen, E., Demir, I., & Elagoz, S. (2016). Optical and structural properties of lattice matched and slightly lattice mismatched MOCVD grown InxGa1 xAs epilayers. Presented at the IBWAP 16th International Balkan Workshop on Applied Physics and Materials Science -16. |
| 57 | Altun, D., Demir, I., Altuntas, I., Elagoz, S., & Senadim Tuzemen, E., (2016). A systematical study of nucleation layer growth temperature effectrs of GaN Buffer Layer. Presented at the TFD32 Turk Fizik Dernegi 32. Uluslararasi Fizik Kongresi, Bodrum, Turkey, 6-9 September 2016. |
| 56 | Demir, I., Kizilbulut, A. A., Bulut, B., & Elagoz, S. (2016). Ellipsometry and photoluminescence characterization of MOCVD grown AlxGa1-xAs Layers x 0 21 0 33 0 42 . Presented at the 16th International Balkan Workshop on Applied Physics and Materials Science (IBWAP-2016), Constanta, Romania. |
| 55 | Kizilbulut, A. A., Demir, I., Altuntas, I., & Elagoz, S. (2016). Determine the refractive index of wurtzite GaN on sapphire by spectroscopic ellipsometry. Presented at the 16th International Balkan Workshop on Applied Physics and Materials Science (IBWAP 2016), Constanta, Romania. |
| 54 | Demir, I., Bulut, B., Kizilbulut, A. A., & Elagoz, S. (2016). Optical and structural characterization of AlxGa1-xAs/GaAs epilayers. Presented at the NanoTR-12 Nanoscience and Nanotechnology Conference, Gebze, Turkey, 3 – 5 June 2016. |
| 53 | Altuntas, I., Demir, I., & Elagoz, S. (2016). Effect of recrystallization time on two steps MOCVD grown GaN. Presented at the Turkish Physical Society 32nd International Physics Congress, Mugla, Turkey. |
| 52 | Bulut, B., Demir, I., Altuntas, I., & Elagoz, S. (2016). Ammonia pre flow effects in growth of epitaxial GaN on sapphire substrate. Presented at the Turkish Physical Society 32nd International Physics Congress, Mugla, Turkey. |
| 51 | Demir, I., Robin, Y., McClintock, R., Elagoz, S., Zekentes, K., & Razeghi, M. (2016). Direct growth of thick AlN layers on nanopatterned Si substrates by cantilever epitaxy. Presented at the E-MRS Spring Meeting, Lille, France. |
| 50 | Altuntas, I., Demir, I., Kizilbulut, A. A., Bulut, B., & Elagoz, S. (2016). The effects of carrier gas on 3D 2D transition of GaN. Presented at the 3th International Nanoscience and Nanotechnolgy for Next Generation (NanoNG), Antalya, Turkey. |
| 49 | Alaydin, B. O., Demir, I., & Elagoz, S. (2016). Growth and characterization of high aluminium alloy concentration x 0.9 AlxGa1-xAs for optoelectronic application. Presented at the Turkish Physical Society 32nd International Physics Congress, Mugla, Turkey. |
| 48 | Kizilbulut, A. A., Demir, I., Altuntas, I., & Elagoz, S. (2016). The effects of nucleation layer thickness on quality of GaN film. Presented at the Turkish Physical Society 32nd International Physics Congress, Mugla, Turkey. |
| 47 | Demir, I., & Elagoz, S. (2016). V/III Ratio effect on doping of high quality InAlAs for qantum cascade laser structures. Presented at the 16th International Balkan Workshop on Applied Physics and Materials Science (IBWAP 2016), Constanta, Romania. |
| 46 | Horoz, S., Demir, I., Ekicibil, A., Elagoz, S., & Sahin, O. (2016). Structural optical electrical and magnetic properties of undoped and Ni doped CdZnS. Presented at the Turkish Physical Society 32nd International Physics Congress, Mugla, Turkey. |
| 45 | Demir, I., Alaydin, B. O., Altuntas, I., & Elagoz, S. (2016). High quality InGaAs/InAlAs superlattices growth by MOCVD. Presented at the 3th International Nanoscience and Nanotechnolgy for Next Generation (NanoNG), Antalya, Turkey. |
| 44 | Demir, I., Alaydin, B. O., & Elagoz, S. (2016). V/III Ratio effect on electrical and optical properties of nearly lattice matched InxGa1-xAs epilayers on InP. Presented at the Turkish Physical Society 32nd International Physics Congress, Mugla, Turkey. |
| 43 | Sayrac, M., Kolomenskii, A. A., Kaya, N., Kaya, G., Boran, Y., Strohaber, J., & Schuessler, H. A. (2016). Manifestations of induced molecular alignment in the interaction of ultrafast laser pulses with gases. 25th Annual International Laser Physics Workshop, 11 – 15 July 2016. |
| 2015 | |
| 42 | Senadim Tuzemen, E., Kizilbulut, A. A., & Elagoz, S. (2015). Optical characterization and theorical modeling of the GaAs/AlAs DBR structure. Presented at the 9th International Physics Conference of the Balkan Physical Union. |
| 41 | Kizilbulut, A. A., Senadim Tuzemen, E., & Elagoz, S. (2015). Determining the film thicknesses of DBR structures. Presented at the 9th International Physics Conference of the Balkan Physical Union, Istanbul, Turkey, 24-27 August 2015. |
| 40 | Altuntas, I., Bulut, B., Demir, I., & Elagoz, S. (2015). Growth studies of lattice matched gainas and alinas layers for quantum cascade laser by MOCVD. BPU-9, Istanbul, Turkey. |
| 39 | Alaydin, B. O., Kizilbulut, A. A., Altuntas, I., Bulut, B., Yalcınkaya, M., & Elagoz, S. (2015). Research for optimizing growth conditions of gallium nitride epilayers for blue led stuructures grown by MOCVD. BPU-9, Istanbul, Turkey. |
| 38 | Baser, P., Altuntas, I., & Elagoz, S. (2015). Hydrogenic-impurity ground state in GaAs/Ga1-xInxAs single quantum well structures. BPU-9, İstanbul, Turkey. |
| 37 | Sayrac, M., Kolomenskii, A. A., Boran, Y., Strohaber J., & Schuessler, H. (2015). Generation of enhanced even and odd harmonics in a two-color laser field. Bulletin of the American Physical Society, 29 – 31 October 2015. |
| 36 | Boran, Y., Kolomenskii, A. A., Sayrac, M., Schuessler, H., & Strohaber, J. (2015). Ionization and dissociation of acetonitrile with intense laser pulses. Bulletin Of The American Physical Society, 29 – 31 October 2015. |
| 35 | Sayrac, M., Kolomenskii, A. A., Anumula, S., Boran, Y., Kaya, G., Kaya, N. & Schuessler, H. (2015). Enhancing high harmonic flux. 5th International Conference On Attosecond Physics, 7 – 8 June 2015. |
| 34 | Sayrac, M., Kolomenskii, A. A., Anumula, S., Boran, Y., Kaya, G., Kaya, N., & Schuessler, H. (2015). Improving high harmonic generation conversion efficiency. Bulletin Of The American Physical Society, 5 – 7 March 2015. |
| 2014 | |
| 33 | Kara, K., Senadim Tuzemen, E., & Esen, R. (2014). Photoconductivity properties of p and n type ZnO films. Presented at the Turk Fizik Dernegi 31. Uluslararasi Fizik Kongresi. |
| 32 | Kizilbulut, A. A., Senadim Tuzemen, E., Esen, R., & Elagoz, S. (2014). Spektroskopik elipsometre ve cauch daginim modeli ile ZnO filmlerin optik ozelliklerinin belirlenmesi. Presented at the Turk Fizik Dernegi 31. Uluslararasi Fizik Kongresi. |
| 31 | Kizilbulut, A., Alaydin, B. O., Bulut, B., Altuntas, I., & Elagoz, S. (2014). Characterization of the MOCVD grown single crystal p-type and n-type gainp on GaAs. Nano Tr-10, Istanbul, Turkey. |
| 30 | Demir, I., Altuntas, I., & Elagoz, S. (2014). Determination of optical parameters of MOCVD grown epitaxial InxGa1-xAs Layers via spectroscopic ellipsometry. TFD 31, Bodrum, Turkey. |
| 29 | Altuntas, I., Demir, I., & Elagoz, S. (2014). n/p katkili epitaksiyel Inp tabakalarinin MOCVD ile buyutulmesi ve karakterizasyonu. TFD 31, Bodrum, Turkey. |
| 28 | Bulut, B., Altuntas, I., Alaydin, B. O., & Elagoz, S. (2014). Epitaksiyel GaInP katmaninin MOCVD ile buyutulmesi Ve Karakterizasyonu. TFD 31, Bodrum, Turkey. |
| 27 | Kaya, N., Sayrac, M., Kaya, G., Boran, Y., Strohaber, J., Kolomenskii, A. A., & Schuessler, H. (2014). Filament propagation length of femtosecond pulses with gaussian and bessel-gaussian modes. Bulletin Of The American Physical Society, 17 – 19 October 2014. |
| 26 | Kaya, G., Kaya, N., Hart, N., Sayrac, M., Anumula, S., Strohaber, J., Kolomenskii, A. A., & Schuessler, H. (2014). Molecular rotational constants measured with photoelectron ionization yield. Bulletin Of The American Physical Society, 17 – 19 October 2014. |
| 25 | Sayrac, M., Kolomenskii, A. A., Anumula, S., Kaya, G., Kaya, N., & Schuessler, H. (2014). New possibilities for the efficiency enhancement of the high harmonic generation process in gas mixtures of Ne and H2. Bulletin Of The American Physical Society, 17 – 19 October 2014. |
| 24 | Sayrac, M., Kolomenskii, A. A., Anumula, S., Boran, Y., Kaya, G., Kaya, N., & Schuessler, H. (2014). Optimum conditions of high order harmonic generation with a gas jet. Bulletin of The American Physical Society, 17 – 19 October 2014. |
| 23 | Kaya, N., Kaya, G., Sayrac, M., Strohaber, J., Kolomenskii, A. A., & Schuessler, H. (2014). Effect of different transverse modes of femtosecond pulses on filament propagation. The 24th International Conference On Atomic Physics (ICAP), 3 – 8 August 2014. |
| 22 | Sayrac, M., Kolomenskii, A. A., Strohaber, J., Boran, Y., Kaya, N., & Schuessler, H. (2014). Improving conversion efficiency of high harmonic generation with gas mixtures. The 24th International Conference On Atomic Physics (ICAP), 3 – 8 August 2014. |
| 21 | Kaya, G., Kaya, N., Strohaber, J., Hart, N., Sayrac, M., Kolomenskii, A. A., & Schuessler, H. (2014). Molecular alignment measured with photoelectron ionization yields. The 24th International Conference On Atomic Physics (ICAP), 3 – 8 August 2014. |
| 20 | Sayrac, M., Kolomenskii, A. A., Strohaber, J., Boran, Y., Kaya, G., Kaya, N., & Schuessler, H. (2014). Pressure optimization of high harmonic generation with argon gasjet. The 24th International Conference On Atomic Physics (ICAP), 3 – 8 August 2014. |
| 2013 | |
| 19 | Senadim Tuzemen, E., Kara, K., Elagoz, S., Takcı, D. K., & Altuntas, I. (2013). Structural and electrical properties of nitrogen doped ZnO thin films. Presented at the NanoTR-9, Erzurum, Turkey, 24 – 28 June 2013. |
| 18 | Tuzemen, E., Kara, K., Elagoz, S., Esen, R., & Baglayan, O. (2013). Influence of doping concentration on structural and optical properties of nitrogen doped ZnO thin fılms. Presented at the Turk Fizik Dernegi 30. Uluslararasi Fizik Kongresi, Istanbul, Turkey, 2-5 September 2013. |
| 17 | Kizilbulut, A. A., Senadim Tuzemen, E., Demir, I., Altuntas, I., Didem, B., Karkı, H. D., & Elagoz, S. (2013). Specular reflectance spectra of GaAs on Ge substrate grown by MOVCD. Presented at the NanoTR-9, Erzurum, Turkey, 24 – 28 June 2013. |
| 16 | Altuntas, I., Demir, I., Kartal, D., Karkı, H. D., & Elagoz, S. (2013). Growth conditions and electrical characterization of GaAs grown on Ge substrates by MOVCD. NanoTR-9, Erzurum, Turkey, 24 – 28 June 2013. |
| 15 | Demir, I., Altuntas, I., Alaydin, B. O., Kizilbulut, A. A., Boz, M. A., Karkı, H. D., & Elagoz, S. (2013). Epitaxial growth by metal organic chemical vapor deposition MOCVD and structural characterization of GaAs films on Ge substrates. NanoTR-9, Erzurum, Turkey, 24 – 28 June 2013. |
| 14 | Demir, I., Altuntas, I., Alaydin, B. O., Elagoz, S., & Karkı, H. D. (2013). The effect of growth rate with constant V/III ratio to the crystal quality of GaAs grown by MOCVD. NanoTR-9, Erzurum, Turkey, 24 – 28 June 2013. |
| 13 | Kizilbulut, A. A., Senadim Tuzemen, E., Demir, I., Altuntas, I., Bayhan, D. G., Karkı, H. D., & Elagoz, S. (2013). Specular reflectance spectra of GaAs on ge substrate grown by MOCVD. NanoTR-9, Erzurum, Turkey, 24 – 28 June 2013. |
| 12 | Altun, D., Bulut, B., Demir, I., Altuntas, I., & Elagoz, S. (2013). A systematic study of mobility and carrier concentration with 0001 GaN grown on C sapphire by MOCVD. Turk Fizik Dernegi 30. Uluslararsi Fizik Kongresi, 2 – 5 September 2013. |
| 11 | Altuntas, I., Demir, I., & Elagoz, S. (2013). Relation between crystalline quality and electrical properties of InGaAs Inp grown by metal organic chemical vapor deposition. Turk Fizik Dernegi 30. Uluslararasi Fizik Kongresi, 2 – 5 September 2013. |
| 10 | Demir, I., Balcı, M., Boz, M. A., Altuntas, I., Kılıc, D., & Elagoz, S. (2013). Growth temperature effects on surface morphology of epitaxial GaAs layers grown by MOCVD. Turk Fizik Dernegi 30.Uluslararasi Fizik Kongresi, 2 – 5 September 2013. |
| 9 | Kolomenskii, A. A., Sayrac, M., Strohaber, J., & Schuessler, H. (2013). Enhancement of HHG in Neon-Hydrogen gas mixtures. 4th International Conference On Attosecond Physics, 8 – 12 July 2013. |
| 8 | Kolomenskii, A. A., Sayrac, M., Cook, E., Strohaber, J. & Schuessler, H. (2013). Optimization and control of the buildup of high harmonics by spatial pulse shaping. 4th International Conference On Attosecond Physics, 8 – 12 July 2013. |
| 2012 | |
| 7 | Kolomenskii, A. A., Sayrac, M., Cook, E., Wood, J., Nava, R., Strohaber, J., Paulus, G. G. & Schuessler, H. (2012). Control of high harmonic generation by wave front shaping. The 23rd International Conference On Atomic Physics, 23 – 27 July 2012. |
| 2011 | |
| 6 | Senadim Tuzemen, E., Sahin, H., Bulut, A., Kara, K., Elagoz, S., & Esen, R. (2011). Al katkılı ZnO filminin yapısal XPS ve optik karakterizasyonu. Presented at the Turk Fizik Dernegi 28. Uluslararasi Fizik Kongresi, Bodrum, Turkey, 6 – 9 September 2011. |
| 5 | Sahin, H., Bulut, A., Senadım Tuzemen, E., Kavak, H., Esen, R., & Elagoz, S. (2011). ZnO yari iletken filminin yapısal ve yansıma ozellikleri uzerine tavlama sıcaklıgının etkisi. Presented at the Turk Fizik Dernegi 28. Uluslararasi Fizik Kongresi, Bodrum, Turkey, 6 – 9 September 2011. |
| 4 | Altuntas, I., Baser, P., Baraz, N., & Elagoz, S. (2011). Sig safsizlik baglanma enerjisinin hidrostatik basinc altinda In konsantrasyonuna bagliligi. TFD 28, Bodrum, Turkey. |
| 3 | Bulut, A., Altuntas, I., Demir, I., & Elagoz, S. (2011). GaAs/Ga1-xAlxAs heteroyapilarin X- isini kirinim yontemi ile yapisal analizi. TFD 28, Bodrum, Turkey. |
| 2008 | |
| 2 | Senadım Tuzemen, E., Kavak, H., & Esen, R. (2008). Zno ince filmlerin yapisal ve optiksel ozellikleri uzerine tavlamanin etkisi. Presented at the Turkish Physical Society 25th International Physical Congress. |
| 2007 | |
| 1 | Kavak, H., Senadım Tuzemen, E., Ozbayraktar, N., & Esen, R. (2007). Optical and photoconductivty properties of Zno thin films grown by pulsed fitered cathodic vacuum arc deposition. Presented at the The Ninth International Symposium On Sputtering And Plasma Processes, Japan, 6 – 8 June 2007. |
National Proceedings
| 7 | Sayrac, H., & Sayrac, M. (2019). GaAs Ga1 Xalxas heteroyapisinin yapisal karakterizasyonu. Presented at the 25. Yogun Madde Fizigi Toplantisi. |
| 6 | Sayrac, M. (2018). Femtosaniyeli lazerler ile dogrusal olmayan frekans donusumu ve uygulamalari. Presented at the 24. Yogun Madde Fizigi Ankara Toplantisi, Ankara, Turkey. |
| 5 | Yuksek, A. G., Senadım Tuzemen, E., Elagoz, S., & Arslan, H. (2015). Anfıs kullanilarak zno ince filmin yansitma ozelliklerinin modellenmesi ve regresyon analizi ile sonuclarinin karsilastirilmasi. Presented at the 2. Ulusal Yonetim Bilisim Sistemleri Kongresi. |
| 4 | Alaydin, B. O., Demir, I., Altuntas, I., Bulut, B., & Elagoz, S. (2014). MOCVD ile buyutulen Ge/GaAs non-Polar-Polar yapisinin yuksek cozunurluklu X-Isini kirinimiyla yapisal karakterizasyonu. III Adım Fizik Gunleri, Isparta, Turkey. |
| 3 | Kizilbulut, A. A., Demir, I., Altuntas, I., Alaydin, B. O., & Elagoz, S. (2014). MOCVD ile buyutulen Ge/InGaAs yapisinin yuksek cozunurluklu X-isini kirinimiyla karakterizasyonu, III Adım Fizik Gunleri, Isparta, Turkey. |
| 2 | Senadım Tuzemen, E., Kara, K., Kavak, H., & Esen, R. (2007). Atmali filtreli katodik vakum ark depolama yontemiyle uretilen ZnO nun yapisal ve optiksel ozellikleri uzerine kalinligin etkisi. Presented at the 9. Ulusal Optik, Elektro-Optik ve Fotonik Calisma Toplantisi, Ankara, Turkey, 28 September 2007. |
| 1 | Senadım Tuzemen, E., Kavak, H., & Esen, R. (2007). Atmali filtreli katodik vakum ark depolama yontemiyle uretilen cinko nitrur filmlerin yapisal ve optiksel ozellikleri. Presented at the 9. Ulusal Optik, Elektro-Optik ve Fotonik Calisma Toplantisi, Ankara, Turkey, 28 September 2007. |