"Moustafa Ahmed,Ahmed Bakry,Mohamed S. Alghamdi,Hamed Dalir,Fumio Koyama","Enhancing the modulation bandwidth of VCSELs to the millimeter-waveband using strong transverse slow-light feedback",,"OPTICS EXPRESS",,"Vol. 23","No. 12","pp. 15365-15371",2015,June
"Hiroki Taniguchi,Hamed Dalir,Fumio Koyama","High-speed Directly Modulated Laterally-coupled Twin Stripe Lasers for Optical Interconnects","Conference on Lasers and Electro-Optics 2015, CLEO2015",,,"  JTh2A.47",,,2015,May
"Moustafa Ahmed,Ahmed Bakry,Hamed Dalir,Fumio Koyama","Application of Strong Slow-Light Feedback to Boost the Modulation Bandwidth of VCSELs Beyond 70 GHz","Conference on Lasers and Electro-Optics 2015, CLEO2015",,,"  SM3F.6",,,2015,May
"Hamed Dalir,Fumio Koyama","Millimeter-wave Modulation of 850 nm VCSELs for Radio over Fiber Applications","Conference on Lasers and Electro-Optics 2015, CLEO2015",,,"  SF1I.7",,,2015,May
"谷口寛樹,Dalir Hamed,坂口孝浩,小山二三夫","横方向結合共振を用いた端面発光型レーザの高速化の検討II","2015年電子情報通信学会総合大会",,,"  C-4-8",,,2015,Mar.
"Hamed Dalir,Akihiro Matsutani,Fumio Koyama","Ultra-compact and High-speed Electro-absorption Modulator Integrated VCSEL","2015 IEICE General Conference",,,"  C-4-6",,,2015,Mar.
"Hamed Dalir,Yuta Takahashi,Fumio Koyama","Low-voltage, high-speed and compact electroabsorption modulator laterally integrated with 980-nm VCSEL",,"OPTICS EXPRESS(OPEX)",,"vol. 22","no. 21","pp. 25746-25755",2014,Oct.
"Hamed Dalir,Fumio Koyama","30GHz ultracompact electroabsorption modulator integrated with 980nm VCSEL with resonance effect in coupled cavities",,"Applied Physics Express(APEX)",,"vol. 7","no. 11","pp. 112101-1-3",2014,Oct.
"Hamed Dalir,Yuta Takahashi,Fumio Koyama","High-speed Compact Electro-absorption Modulator Laterally Integrated with VCSEL","European Conference on Optical Communications, ECOC 2014",,,"  Mo.4.4.6",,"pp. 1-3",2014,Sept.
"Hamed Dalir,Yuta Takahashi,Fumio Koyama","Ultra-compact and High-bandwidth (>30GHz) Modulator Integrated VCSEL with Transverse-mode Beating","IEEE International Semiconductor Laser Conference",,,"  WB1",,,2014,Sept.
"高橋雄太,Dalir Hamed,松谷晃宏,小山二三夫","面発光レーザ・変調器集積デバイスによる戻り光の制御","第75回 応用物理学会秋季学術講演会",,,"  19p-C1-17",,,2014,Sept.
"Toshikazu Shimada,Hamed Dalir,Akihiro Matsutani,Fumio Koyama","Beam scanner integrated VCSEL with electro-thermal wavelength tuning","IEEE International Semiconductor Laser Conference",,,"  WB3",,,2014,Sept.
"谷口寛樹,Hamed Dalir,高橋 雄太,小山二三夫","横方向結合共振を用いた端面発光型レーザの高速化の検討","2014年電子情報通信学会通信ソサイエティ大会",,,"  C-4-4",,,2014,Sept.
"Hamed Dalir,Fumio Koyama","Ultra-fast Compact Modulator-Integrated-VCSEL for Highly Efficient Millimeter-wave Modulation","The 75th JSAP Autumn Meeting 2014",,,"  20p-C1-5",,,2014,Sept.
"Fumio Koyama,Hamed Dalir","High speed modulation and new functions of transverse coupled cavity VCSEL","iNOW2014, International Nano-Optoelectronics Workshop",,,"  FrA1",,"pp. 38-39",2014,Aug.
"Hamed Dalir,Moustafa Ahmed,Ahmed Bakry,Fumio Koyama","Compact electro-absorption modulator integrated with vertical-cavity surface-emitting laser for highly efficient millimeter-wave modulation",,"Applied Physics Letters(APL)",,"vol. 105","no. 081113 (2014)","pp. 081113-1-5 (2014)",2014,Aug.
"Xiaodong Gu,Ayako Suzuki,Hamed Dalir,Akihiro Matsutani,Fumio Koyama","Large Enhancement in Modulation Bandwidth of Low-Voltage Slow Light Bragg Reflector Waveguide Modulator","OECC 2014","OECC 2014",,,,"pp. 170-171",2014,July
"Hamed Dalir,Fumio Koyama","Highly Stable Operations of High Speed Transverse Coupled Cavity VCSELs","The OptoElectronics and Communication Conference 2014, OECC 2014",,,"  MO1D-3",,"pp. 35-36",2014,July
"Hamed Dalir,FUMIO KOYAMA","40 Gbps modulation of transverse coupled cavity VCSEL with push?pull modulation scheme",,"Applied Physics Express(APEX)",,"vol. 7",,"pp. 092701-1-4",2014,July
"Hamed Dalir,Yuta Takahashi,Fumio Koyama","Low Driving Voltage Electro-absorption Modulator Laterally Integrated with VCSEL","IEICE Technical Report",,,,,,2014,June
"Hamed Dalir,FUMIO KOYAMA","Highly stable operations of transverse coupled cavity VCSELs with enhanced modulation bandwidth",,"Electronics Letters 22nd",,"vol. 50","no. 11","pp. 823-824",2014,May
"FUMIO KOYAMA,Hamed Dalir","High-speed modulation of transverse-coupled-cavity VCSELs","SPIE, Photonics Europe",,,"  9134-6",,,2014,Apr.
"Hamed Dalir,Fumio Koyama","27 GHz Directly Modulated Transverse Coupled Cavity VCSEL by Utilizing the Photon-Photon Resonance","The 61st JSAP Spring Meeting 2014",,,"  18p-F9-15",,,2014,Mar.
"Hamed Dalir","Study on High Speed VCSEDs Based on Lateral Resonator Integration for Optical Interconnects",,,,,,,2014,Mar.
"Hamed Dalir,Yuta Takahashi,Fumio Koyama","Low Driving Voltage (< 400mVpp) Electro-absorption Modulator Laterally Integrated with VCSEL","Optical Fiber Communications Conference and Exhibition 2014, OFC 2014",,,"  W4C.3",,"pp. 1-3",2014,Mar.
"Hamed Dalir,FUMIO KOYAMA","Highly efficient out-of-plane optical coupler based on tapered hollow waveguide",,"Japanese Journal of Applied Physics",,"vol. 53",,"pp. 048004-1-4",2014,Mar.
"Hamed Dalir","Study on High Speed VCSEDs Based on Lateral Resonator Integration for Optical Interconnects",,,,,,,2014,Mar.
"Hamed Dalir","Study on High Speed VCSEDs Based on Lateral Resonator Integration for Optical Interconnects",,,,,,,2014,Mar.
"高橋雄太,Hamed Dalir,島田 敏和,松谷晃宏,小山二三夫","くびれ酸化狭窄構造を用いた面発光レーザ・変調器集積デバイス","第61 回応用物理学会春季学術講演会",,,"  20a-F8-8",,,2014,Mar.
"Hamed Dalir,Yuta Takahashi,Toshikazu Shimada,Fumio Koyama","Strong Lateral Coupling from VCSEL to Slow Light Waveguide by Width Modification","The 61st JSAP Spring Meeting 2014",,,"  18p-F9-16",,,2014,Mar.
"Hamed Dalir,Fumio Koyama","Ultrafast direct modulation of transverse-mode coupled-cavity VCSELs far beyond the relaxation oscillation frequency","Photonics West 2014","Photonics West 2014",,,,"pp. 9001-5",2014,Feb.
"Hamed Dalir,Akihiro Matsutani,Moustafa Ahmed,Ahmed Bakry,Fumio Koyama","High Frequency Modulation of Transverse-Coupled-Cavity VCSELs for Radio over Fiber Applications,” IEEE Photonics Technology Letter",,"IEEE Photonics Technology Letters",,"Vol. 26","No. 3","pp. 281 - 284",2014,Feb.
"Hamed Dalir,Fumio Koyama","In-plane integration of VCSEL with photo-detector by using laterally coupled cavities","Photonics West 2014","Photonics West 2014",,,,"pp. 9001-7",2014,Feb.
"Hamed Dalir,Fumio Koyama","High-speed operation of bow-tie-shaped oxide aperture VCSELs with photonーphoton resonance",,"Applied Physics Express(APEX)",,"vol. 7","no. 2","pp. 022102-1-4",2014,Jan.
"Hamed Dalir,Yuta Takahashi,Fumio Koyama","Compact low driving voltage (<400 mVpp) electro-absorption modulator laterally integrated with VCSEL",,"Electronics Letters",,"Vol. 50","No. 2","pp. 101-103",2014,Jan.
"Hamed Dalir,Fumio Koyama","Modulation response enhancement of transverse-coupled cavity VCSELs for radio over fiber applications","18th Microoptics Conference (MOC’13)",,,,,"  C4",2013,Oct.
"Hamed Dalir,Fumio Koyama","Modulation Bandwidth Enhancement of Quasi-single-mode Transverse Coupled Cavity VCSEL","IEEE Photonics Conference 2013(IPC2013)",,,"  PD3",,"pp. 1-2",2013,Sept.
"Hamed Dalir,Akihiro Matsutani,Fumio Koyama","Beyond 25GHz Directly Modulated 980nm VCSEL with Lateral Optical Feedback","The 74th Autumn Meeting 2013",,,"  16p-D4-7",,,2013,Sept.
"Hamed Dalir,Akihiro Matsutani,Fumio Koyama","Modulation Bandwidth Enhancement of Laterally-coupled Cavity VCSELs for Radio over Fiber Applications","The 74th Autumn Meeting 2019",,,"  16p-A8-6",,,2013,Sept.
"Hamed Dalir,Akihiro Matsutani,Fumio Koyama","Transverse Coupled Cavity VCSELs for Push-Pull Modulation","The 74th Autumn Meeting 2013",,,,,"  16p-D4-8",2013,Sept.
"Hamed Dalir,Fumio Koyama","29GHz directly modulated 980nm vertical-cavity surface emitting lasers with bow-tie shape transverse coupled cavity",,"Appl. Phys. Lett.",,"vol. 103",,"  091109-1-4",2013,Aug.
"Hamed Dalir,Fumio Koyama","Beyond 28.6GHz Directly Modulated 980nm VCSEL with Transverse Optical Feedback of Slow Light",,,,,,,2013,Aug.
"Hamed Dalir,Fumio Koyama","High-speed Direct Modulation Beyond 29GHz of 980nm Transverse Coupled Cavity VCSEL","2013 Conference on Lasers and Electro-Optics Pacific Rim, CREO-PR",,,,,"  PD2-2",2013,July
"Hamed Dalir,Akihiro Matsutani,Fumio Koyama","Modulation of Spatial Intensity Distribution of Laterally Coupled Twin VCSELs","2013 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR",,,"  ThK3-2",,,2013,July
"Hamed Dalir,Fumio Koyama","Laterally-Coupled-Cavity VCSELs for Push-Pull High Speed Modulation","IEEE Summer Topicals 2013",,,"  MA4.3",,,2013,July
"Hamed Dalir,Fumio Koyama","Push-Pull Modulation of Transverse Coupled-Cavity VCSELs","IEICE Technical Report, LQE/OPE2013",,,,,,2013,June
"Hamed Dalir,Fumio Koyama","Electrical Transverse-Mode Switching of Laterally Coupled Cavity VCSELs","IEICE General Conference 2013",,,,"  C-4-9",,2013,Mar.
"Hamed Dalir,Akihiro Matsutani,Fumio Koyama","Push-pull modulation of lateral coupling of dual VCSEL cavities using a bow-tie shape","Vertical-Cavity Surface-Emitting Lasers XVII, SPIE Photonics West 2013",,,"  8639-31",,,2013,Feb.
"Hamed Dalir,Fumio Koyama","Proposal of In-plane to Vertical Optical Coupler Based on Tapered Hollow Waveguide","Frontiers in Optics 2012, FiO2012",,,,"  FW5E.4",,2012,Oct.
"貞光雅徳,ハメドダリル,小山二三夫","テーパ中空導波路を用いたモード多重用合分波器の設計","電子情報通信学会2012年ソサエティ大会",,,,"  C-3-14",,2012,Sept.
"Hamed Dalir,Fumio Koyama","Electrical Transverse-Mode Switching of Laterally Coupled Cavity VCSELs","2012 International Nano-Optoelectronics Workshop, iNOW 2012",,,,"  4-P4",,2012,Aug.
"Hamed Dalir,Fumio Koyama","90°Bend Device Based on Tapered Hollow Waveguide","The 59th Spring Meeting of Japan Society of Applied Physics and Related Societies",,,,"  18a-GP4-14",,2012,Mar.
"Hamed Dalir,Fumio Koyama","Taper Structure for Lateral Coupling from VCSEL to Slow Light Waveguide","The 59th Spring Meeting of Japan Society of Applied Physics and Related Societies",,,,"  17p-GP12-3",,2012,Mar.
"Hamed Dalir,Fumio Koyama","Bandwidth enhancement of single-mode VCSEL with lateral optical feedback of slow light",,"IEICE Electronics Express",,"vol. 8","no. 13","pp. 1075-1081",2011,July
"Hamed Dalir,Fumio Koyama","Enhanced modulation bandwidth of VCSELs with lateral optical feedback beyond the frequency of relaxation oscillations",,"International Nano-Optoelectronics Workshop, iNOW2011",,,"  P3",,2011,July
"Hamed Dalir,Yasushi Yokota,Fumio Koyama","Spatial Mode Multiplexer/Demultiplexer Based on Tapered Hollow Waveguide","The 16th Opto-Electronics And Communications Conference, OECC2011",,,,"  7E2_2",,2011,July
"小山二三夫,桐田健,Hamed Dalir,今村明博,坂口孝浩","多モード中空光導波路を用いた3次元層間光接続と多モード合分波回路",,"第1回集積光デバイスと応用技術研究会(電子情報通信学会)",,,,"pp. 25-30",2011,May
"Hamed Dalir,Yasushi Yokota,Fumio Koyama","Spatial Mode Multiplexer/Demultiplexer Based on Tapered Hollow Waveguide",,"IEICE Electronics Express",,"  2011XCL6281",,,2011,May
"Hamed Dalir,Fumio Koyama","Proposal of Spatial Mode Multiplexer/Demultiplexer Based on Tapered Hollow Waveguide",,"The 58th Spring Meeting of Japan Society of Applied Physics and Related Societies",,,"  24p-KA-13",,2011,Mar.
"Hamed Dalir,Fumio Koyama","Large signal modulation analysis of lateral-optical-feedback VCSELs","16th MicroOptics Conference, MOC2010",,,,"  MD1",,2010,Oct.
"Hamed Dalir,Fumio Koyama","Proposal of laterally coupled VCSELs for modulation-bandwidth enhancement",,"The 71th Autumn Meeting of JSAP",,,"  16p-H-5",,2010,Sept.
"Hamed Dalir,Fumio Koyama","Modulation bandwidth enhancement of VCSELs with lateral optical feedback of slow light","2010 IEEE International Semiconductor Laser Conference, ISLC Kyoto",,,"  P10",,"pp. 83-84",2010,Sept.