@article{CTT100922495, author = {Hameeda R Ibrahim and Ahmed H. Hassan and Xiaodong Gu and Moustafa Ahmed and Fumio Koyama}, title = {Enhanced High-Frequency Modulation of Single-mode 850 nm VCSELs via Dual Transverse-Cavity Integration}, journal = {IEICE Electronics Express}, year = 2024, } @article{CTT100875484, author = {Ge Chang and Ahmed M. A. Hassan and Shanting Hu and Fumio Koyama}, title = {Modeling of surface grating-loaded VCSEL with slowing light}, journal = {Japanese Journal of Applied Physics}, year = 2022, } @article{CTT100869054, author = {SHANTING HU and XIAODONG GU and AHMED HASSAN and RUIXIAO LI and MASANORI NAKAHAMA and SATOSHI SHINADA and FUMIO KOYAMA}, title = {Ultra-compact VCSEL scanner for high power solid-state beam steering}, journal = {Optics Express}, year = 2022, } @article{CTT100875479, author = {Ahmed M. A. Hassan and Xiaodong Gu and Masanori Nakahama and Satoshi Shinada and Moustafa Ahmed and Fumio Koyama}, title = {High-power operations of single-mode surface grating long oxide aperture VCSELs}, journal = {Applied Physics Letters}, year = 2021, } @article{CTT100861814, author = {Ahmed M. A. Hassan and Xiaodong Gu and Masanori Nakahama and Satoshi Shinada and Moustafa Ahmed and Fumio Koyama}, title = {High power surface grating slow-light VCSEL}, journal = {Appl. Phys. Express}, year = 2021, } @article{CTT100854506, author = {Shanting Hu and Ahmed Hassan and Xiaodong Gu and Masanori Nakahama and Fumio Koyama}, title = {Surface Grating Loaded VCSEL with Single Mode Power of over 80 mW}, journal = {IEICE Electronics Express}, year = 2021, } @article{CTT100862025, author = {Shanting Hu and Ahmed Hassan and Xiaodong Gu and Masanori Nakahama and Satoshi Shinada and Fumio Koyama}, title = {Surface grating VCSEL-integrated amplifier/beam scanner with high power and single mode operation}, journal = {Applied Physics Express}, year = 2021, } @article{CTT100833041, author = {Ahmed M. A. Hassan and Moustafa Ahmed and Masanori Nakahama and Fumio Koyama}, title = {High-power, quasi-single-mode vertical-cavity surface-emitting laser with near-diffraction-limited and low-divergence beam}, journal = {Japanese Journal of Applied Physics}, year = 2020, } @article{CTT100840201, author = {H.R. Ibrahim and MS Alghamdi and A Bakry and M. Ahmed and F. Koyama}, title = {Modelling and characterisation of the noise characteristics of the vertical cavity surface-emitting lasers subject to slow light feedback}, journal = {Pramana}, year = 2019, } @article{CTT100840197, author = {Ahmed M. A. Hassan and M. Ahmed and M. Nakahama and F. Koyama}, title = {Theoretical Investigation of Slow-Light VCSEL Amplifier}, journal = {Journal of Experimental &Theoretical Nanotechnology}, year = 2018, } @inproceedings{CTT100872711, author = {Hameeda R Ibrahim and Xiaodong Gu and Ahmed M. A. Hassan and Satoshi Shinada and Moustafa Ahmed and Fumio Koyama}, title = {Single-Mode 1060nm Bottom Emitting Metal Aperture VCSEL Array for Co-Packaged Optics}, booktitle = {}, year = 2022, } @inproceedings{CTT100869167, author = {棚橋 和真 and 藤岡 威吹 and Ahmed M. A. Hassan and 顧 暁冬 and 小山 二三夫}, title = {VCSEL ビーム増幅デバイスによる LiDAR システム検討V}, booktitle = {第69回応用物理学会春季学術講演会 講演予稿集}, year = 2022, } @inproceedings{CTT100861817, author = {Hameeda R Ibrahim and Ahmed M. A. Hassan and Xiaodong Gu and Satoshi Shinada and Moustafa Ahmed and Fumio Koyama}, title = {Low power consumption 1060 nm single-mode intracavity metal aperture VCSEL with transverse resonance}, booktitle = {}, year = 2021, } @inproceedings{CTT100865348, author = {Shanting Hu and Xiaodong Gu and Ahmed Hassan and Masanori Nakahama and Satoshi Shinada and Fumio Koyama}, title = {Surface Grating Loaded VCSEL-integrated Amplifier/Beam Scanner with Single Mode Output Power of over 3W and Scan Resolution of over 200}, booktitle = {WP2.2 (oral) Fig. 1 (a) Schematic structure, (b) Top view of a fabricated device; (c)}, year = 2021, } @inproceedings{CTT100875514, author = {Ahmed Hassan and Xiaodong Gu and Masanori Nakahama and Satoshi Shinada and Mostafa Ahmed and Fumio Koyama}, title = {4 W Single-Mode Operation of Surface Grating VCSELs}, booktitle = {}, year = 2021, } @inproceedings{CTT100861828, author = {Hameeda Ibrahim and Ahmed Hassan and Gu Xiaodong and Satoshi Shinada and Moustafa Ahmed and Fumio Koyama}, title = {Record Low Power Consumption 1060nm Single-mode Intracavity Metal Aperture VCSEL with Transverse Resonance}, booktitle = {}, year = 2021, } @inproceedings{CTT100861820, author = {H. R. Ibrahim and A. M. A. Hassan and M. Ahmed and F. Koyama}, title = {Optical feedback tolerance of transverse coupled cavity VCSELs}, booktitle = {}, year = 2021, } @inproceedings{CTT100876026, author = {H. R Ibrahim and Ahmed M. A. Hassan and Xiaodong Gu and Satoshi Shinada and M. Ahmed and F. Koyama}, title = {1060nm Single-mode Metal-aperture VCSEL Array with Transverse Resonance and Low Power Consumption below 50 fJ/bit}, booktitle = {}, year = 2021, } @inproceedings{CTT100861964, author = {Ahmed Mohamed Ahmed Hassan and X. Gu and M. Nakahama and M. Ahmed and F. Koyama}, title = {Record High Power Single-Mode Operations of Surface Grating VCSELs}, booktitle = {第82回応用物理学会秋季学術講演会 講演予稿集}, year = 2021, } @inproceedings{CTT100861830, author = {SHANTING HU and XIAODONG GU and Ahmed Hassan and Masanori Nakahama and Satoshi Shinada and Fumio Koyama}, title = {Surface Grating Loaded VCSEL-integrated Amplifier/Beam Scanner with Quasi-Single Mode Output Power of over 4W}, booktitle = {}, year = 2021, } @inproceedings{CTT100876033, author = {Shanting Hu and Xiaodong Gu and Ahmed Hassan and Masanori Nakahama and Satoshi Shinad and Fumio Koyama}, title = {Record High PowerSingle-mode Operation and Beam Steering ofVCSEL-lntegrated Amplifier/Beam Scanner}, booktitle = {}, year = 2021, } @inproceedings{CTT100853751, author = {Shanting Hu and Xiaodong Gu and Ahmed Hassan and Masanori Nakahama and Satoshi Shinad and Fumio Koyama}, title = {Steering of VCSEL-Integrated Amplifier/Beam Scanner}, booktitle = {}, year = 2021, } @inproceedings{CTT100853752, author = {Hameeda R Ibrahim and Ahmed Hassan and Xiaodong Gu and Satoshi Shinada and Moustafa Ahmed and Fumio Koyama}, title = {1060nm single-mode metal aperture VCSEL array with transverse resonance for 5km single-mode fiber transmission}, booktitle = {}, year = 2021, } @inproceedings{CTT100854508, author = {Shanting Hu and Xiaodong Gu and Ahmed Hassan and Masanori Nakahama and Fumio Koyama}, title = {Surface Grating VCSEL-Integrated Amplifier/Beam Scanner with High Power and Single Mode Operation}, booktitle = {}, year = 2021, } @inproceedings{CTT100853727, author = {Ahmed M.A Hassan and Xiaodong Gu and Masanori Nakahama and Fumio Koyama and Satoshi Shinada and Moustafa Ahmed}, title = {High power and high beam quality surface grating VCSEL}, booktitle = {}, year = 2021, } @inproceedings{CTT100853749, author = {H. R Ibrahim and A. Hassan and M. Ahmed and X. Gu and F. Koyama}, title = {50Gbps Single Mode 1060nm Intracavity Metal Aperture VCSEL With Transverse Resonance}, booktitle = {}, year = 2021, } @inproceedings{CTT100853605, author = {Hameeda Ibrahim and Ahmed M.A Hassan and Fumio Koyama}, title = {High-speed and Single mode 850nm Intracavity Metal Aperture VCSEL with Transverse Coupled Cavity Effect}, booktitle = {第68回応用物理学会春季学術講演会 講演予稿集}, year = 2021, } @inproceedings{CTT100853602, author = {Ahmed Mohamed Ahmed Hassan and Xiaodong Gu and Masanori Nakahama and Moustafa Ahmed and Fumio Koyama}, title = {High power surface grating long aperture VCSEL}, booktitle = {第68回応用物理学会春季学術講演会 講演予稿集}, year = 2021, } @inproceedings{CTT100853600, author = {Shanting Hu and Xiaodong Gu and Ahmed Mohamed Ahmed Hassan and Masanori Nakahama and Fumio Koyama}, title = {Surface Grating VCSEL-Integrated Amplifier/Beam Scanner with HighPower and Single Mode Operation}, booktitle = {第68回応用物理学会春季学術講演会 講演予稿集}, year = 2021, } @inproceedings{CTT100843408, author = {H. R. Ibrahim and Ahmed M. A. Hassan and M. Ahmed and F. Koyama}, title = {Single-mode and High-speed Intracavity Metal Aperture VCSEL with Transverse Coupled Cavity Effect}, booktitle = {}, year = 2020, } @inproceedings{CTT100830497, author = {H.R. Ibrahim and M. Ahmed and F. Koyama}, title = {High speed modulation single mode 850 nm DTCC-VCSEL}, booktitle = {}, year = 2019, } @inproceedings{CTT100831024, author = {Ahmed Mohamed Ahmed Hassan and Moustafa Ahmed and Masanori Nakahama and FUMIO KOYAMA}, title = {High power, high speed pulse generation of VCSEL amplifier}, booktitle = {第80回応用物理学会秋季学術講演会 講演予稿集}, year = 2019, } @inproceedings{CTT100799893, author = {Ahmed Mohamed Ahmed Hassan and M. Nakahama and F. Koyama}, title = {High peak power pulsed operations of VCSEL amplifier}, booktitle = {}, year = 2019, } @inproceedings{CTT100755467, author = {Ahmed Mohamed Ahmed Hassan and Moustafa Ahmed Hafez and Masanori Nakahama and FUMIO KOYAMA}, title = {Numerical analysis of Watt-class VCSEL amplifier}, booktitle = {}, year = 2017, } @inproceedings{CTT100741256, author = {Ahmed M. A. Hassan and M. Ahmed and Masanori Nakahama and Fumio Koyama}, title = {Numerical analysis of high output slow light VCSEL amplifier}, booktitle = {}, year = 2017, } @inproceedings{CTT100726556, author = {Hameeda Ragab Ibrahim and Mohamed Ahmed and Fumio Koyama}, title = {Modulation Bandwidth Enhancement of Double Transverse Coupled Cavity VCSELs}, booktitle = {,MOC2016}, year = 2016, }