研究者学術情報データベース

ヌマイ　タカヒロ
沼居　貴陽
NUMAI Takahiro

所属理工学部電気電子工学科

職名教授

学会発表
1.	2023/09/18	Effect of Flat Region between Mesa and Gratings in Ridge-Type Semiconductor Lasers with Transversal Diffraction Gratings (23rd International Conference on Numerical Simulation of Optoelectronic Devices)
2.	2022/09/12	Single Transverse Mode Operation of Over 10 micron Wide Ridge-Type Semiconductor Lasers with Transversal Diffraction Gratings (22nd International Conference on Numerical Simulation of Optoelectronic Devices)
3.	2021/09/14	Simulation of a Ridge-Type Semiconductor Laser with Transversal Diffraction Gratings (21st International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD2021))
4.	2020/09/14	Over 100 GHz 3-dB down Bandwidth by Direct Modulation of a Coupled Cavity DFB-LD due to Photon-Photon Resonance (20th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2020))
5.	2019/07/08	High Resonance Frequency in a Coupled Cavity DFB-LD with Asymmetric Grating Coupling Coefficients by Photon-Photon Resonance (19th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2019))
6.	2018/11/07	High Resonance Frequency in a Coupled Cavity DFB-LD with Two Phase Shifts by Photon-Photon Resonance (18th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2018))
7.	2017/07/24	High Resonance Frequency in a Coupled Cavity DFB-LD with Phase-Shifted/Uniform Gratings by Photon-Photon Resonance (17th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2017))
8.	2016/07/11	Enhancement of Resonance Frequency in a DFB-LD with Internally Incident Modulated Light (16th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2016))
9.	2016/04/22	Resonance-Shifted DFB-LD for High E/O Conversion Efficiency and Stable Single Longitudinal Mode Operation (2016 EMN Beijing Meeting)
10.	2015/09/07	Simulation of a Resonance-shifted DFB-LD for High Efficiency Operation (15th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2015))
11.	2015/04/24	Control of Longitudinal and Transverse Modes in Semiconductor Lasers (2015 EMN Optoelectronics Meeting)
12.	2014/09/01	Simulation of a Ridge-type Semiconductor Laser with Selective Double-Sided Anti-guiding and Partially Undoped Cladding Layers (14th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2014))
13.	2013/08/19	Simulation of a Ridge-Type Semiconductor Laser with　Horizontal Coupling of Lateral Modes (13th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2013))
14.	2013/08/15	Symmetric Ridge-type Semiconductor Laser with Selectively Formed Double-Sided Antiguiding Cladding Layers (Progress In Electromagnetics Research Symposium (PIERS 2013 in Stockholm))
15.	2013/03/26	Ridge-Type Semiconductor Laser with a Partially Undoped Antiguiding Cladding Layer for Horizontal Transverse Modes (Progress In Electromagnetics Research Symposium (PIERS 2013 in Taipei))
16.	2012/08/30	Simulation of a Ridge-Type Semiconductor Laser for Separate Confinement of Horizontal Transverse Modes and Carriers (12th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2012))
17.	2011/09/05	Numerical Simulation of Optoelectronic Devices Article Title: Simulation of a Ridge-Type Semiconductor Laser with Selectively Proton-Implanted Cladding Layers (11th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2011))
18.	2010/12/15	Reduction of Four-Wave-Mixing in FSK FDM Lightwave Transmission Systems by Asymmetric Repeated Unequally Spaced Frequency Allocations (Photonics Global @Singapore 2010)
19.	2010/07/06	Reduction of Four-Wave-Mixing in FDM Lightwave Transmission Systems by Asymmetric Repeated Unequally Spaced Frequency Allocations (Progress In Electromagnetics Research Symposium (PIERS 2010 in Cambridge))
20.	2010/03/25	Reduction of Four-wave-mixing Noises by FSK Modulation with Dual Deviation Frequencies in FDM Optical Fiber Transmission Systems (Progress In Electromagnetics Research Symposium (PIERS 2010 in Xi'an))
21.	2010/03/25	Reduction of Four-wave-mixing Noises by Unequallyspaced Allocations with Dual Base Units in FDM Optical Fiber Transmission Systems (Progress In Electromagnetics Research Symposium (PIERS 2010 in Xi'an))
22.	2009/11/26	Ridge-Type Semiconductor Lasers with Antiguiding Cladding Layers for Horizontal Transverse Modes (IEEE TENCON 2009)
23.	2009/10/08	Ridge-Type Semiconductor Lasers with Antiguiding Cladding Layers for Horizontal Transverse Modes (International Conference on Solid State Devices and Materials)
24.	2009/10/08	Ridge-Type Semiconductor Lasers with Optical Antiguiding Layers for Horizontal Transverse Modes: Dependence on Step Positions (International Conference on Solid State Devices and Materials)
25.	2009/07/14	Ridge-type semiconductor lasers with antiguiding layers for horizontal transverse modes: dependence on space (The 14th Optoelectronics and Communications Conference (OECC2009))
26.	2009/03/25	Reduction of four wave mixing noises in FDM optical fiber transmission systems with quaternary bit-phase arranged return-to-zero (Progress In Electromagnetics Research Symposium (PIERS 2009 in Beijing))
27.	2009/03/25	Stacked color sensor with a distributed Bragg reflector (Progress In Electromagnetics Research Symposium (PIERS 2009 in Beijing))
28.	2008/12/08	Influence of modulation formats on FWM noises in FDM lightwave transmission systems (IEEE Photonics Global @Singapore 2008)
29.	2008/09/25	Fiber pump semiconductor lasers with optical antiguiding layers for horizontal transverse modes: dependence on mesa width (International Conference on Solid State Devices and Materials)
30.	2008/09/16	Fiber Pump Semiconductor Lasers with Optical Antiguiding Layers for Horizontal Transverse Modes (The 21st IEEE International Semiconductor Laser Conference)
31.	2008/07/03	Influence of Frequency Allocations and Optical Filters on FDM Optical Fiber Communications (Progress In Electromagnetics Research Symposium (PIERS 2008 in Cambridge))
32.	2008/07/03	Suppression of FWM Noises in FDM Lightwave Transmission Systems by Frequency, Polarization, and Bit-phase Allocations (Progress In Electromagnetics Research Symposium (PIERS 2008 in Cambridge))
33.	2008/07/03	Suppression of FWM Noises in FDM Lightwave Transmission Systems by Modified Repeated Unequally-spaced Frequency Allocations (Progress In Electromagnetics Research Symposium (PIERS 2008 in Cambridge))
34.	2007/10/19	Imprint lithography at room temperature with novolak resin and its application (Invited) (IUPAC 3rd International Symposium on Novel Materials and Synthesis (NMS-III) & 17th International Symposium on Fine Chemistry and Functional Polymers (FCFP-XVII))
35.	2007/09/21	Improvement of Kink-Free Light Output for Fiber Pump Semiconductor Lasers (International Conference on Solid State Devices and Materials)
36.	2007/07/11	Effects of frequency allocations and polarization allocations on FDM lightwave transmission systems (Twelfth Optoelectronics and Communications Conference/16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC2007))
37.	2007/07/11	Effects of frequency allocations and zero dispersion frequencies on FDM lightwave transmission systems (Twelfth Optoelectronics and Communications Conference/16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC2007))
38.	2007/07/11	Influence of modulation formats on FWM noises in FDM optical fiber transmission systems (Twelfth Optoelectronics and Communications Conference/16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC2007))
39.	2006/10/18	Control of spectral photosensitivity in stacked color sensors: proposal and theoretical analysis (Invited) (IEEE EDS Kansai Chapter, Colloquium Workshop)
40.	2005/09/14	Control of spectral photosensitivity in stacked color sensors: proposal and theoretical analysis (International Conference on Solid State Devices and Materials)
41.	2004/09/16	Lateral graphoepitaxy of germanium controlled by microstructures on SiO2 surface (International Conference on Solid State Devices and Materials)
42.	2004/09/16	Nanoimprint lithography using Novolak photoresist and soft mold at room temperature (International Conference on Solid State Devices and Materials)
43.	1997	MOMBE growth and characterization of [ZnSe/MgSe/ZnSe/ZnS]n pseudo-quaternary alloy (16th Electronic Materials Symposium)
44.	1997	p-type ZnSe grown by MOMBE with insertion of ZnTe:Li submonolayers (16th Electronic Materials Symposium)
45.	1997	Selective area growth of widegap II-VI semiconductors on patterned substrates (International Conference on Solid State Devices and Materials)
46.	1997	Selective area growth of ZnSe and ZnS by MOMBE (8th International Conference on II-VI Compounds)
47.	1996	Self-organized CdSe quantum dots on (100) ZnSe/GaAs surfaces grown by MOMBE (International Symposium on Formation, Physics and Application of Quantum Dot Structures)
48.	1995	MOMBE growth of nitrogen-doped p-type ZnSe (International Conference on Solid State Devices and Materials)
49.	1994/01	Low threshold surface-emitting optical devices (Invited) (SPIE's International Symposium, OE/LASE'94)
50.	1994/01	Surface emitting optical devices for 2-D integration (Invited) (SPIE's International Symposium, OE/LASE'94)
51.	1994	MOMBE growth of ZnSe with new Zn and Se precursors without precracking (Eighth International Conference on Molecular Beam Epitaxy)
52.	1993	Microcavity surface-emitting laser with record low threshold current of 190 μA (International Conference on Solid State Devices and Materials)
53.	1993	Multistage optical interconnection networks using VSTEPs and microoptics (The 4th Microoptics Conference and the 11th Gradient-Index Optical Systems)
54.	1993	Nonblocking optical interconnection networks using electro-optical matrix switches based on VSTEPs (Quantum Optoelectronics Topical Meeting)
55.	1993	Pixels consisting of a single vertical-cavity laser-thyristor and a double vertical-cavity phototransistor (Quantum Optoelectronics Topical Meeting)
56.	1993	Thermal analysis of laser-emission surface-normal optical devices with a vertical cavity (International Conference on Solid State Devices and Materials)
57.	1993	VSTEP pixels for optical interconnection and switching (Invited) (IEEE Lasers and Electro-Optics Society 1993 Annual Meeting)
58.	1992	Effect of sidewall reflector on current versus light-output in a pnpn vertical to surface transmission electro-photonic device with a vertical cavity (13th IEEE International Semiconductor Laser Conference)
59.	1992	High electronic-optical conversion efficiency in a vertical to surface transmission electro-photonic device with a vertical cavity (International Conference on Solid State Devices and Materials)
60.	1992	Optically controllable pixel based on vertical to surface transmission electro-photonic devices using four-terminal pnpn structure (IEEE LEOS Summer Topical Meeting on Smart Pixels)
61.	1992	Pixels consisting of double vertical-cavity detector and single vertical-cavity laser sections for 2-D bidirectional optical interconnections (International Conference on Solid State Devices and Materials)
62.	1992	Surface emitting devices with distributed Bragg reflectors grown by highly precise molecular beam epitaxy (Seventh International Conference on Molecular Beam Epitaxy)
63.	1991/03	Surface–emitting-laser operation and optical switching characteristics in vertical to surface transmission electro-photonic devices with a vertical cavity (VC-VSTEP) (Quantum Optoelectronics Topical Meeting)
64.	1991	High efficiency and large light-output laser operation in a pnpn vertical to surface transmission electro-photonic devices with a vertical cavity (IEEE Lasers and Electro-Optics Society 1991 Annual Meeting)
65.	1991	Optical interconnection using cascaded vertical to surface transmission electro-photonic devices (Optical Society of America 1991 Annual Meeting)
66.	1991	Switching energy requirement of the VSTEP optoelectronic switch (IEEE Lasers and Electro-Optics Society 1991 Annual Meeting)
67.	1990	A novel optical self-routing switch with a wavelength filtering function using a vertical to surface transmission electro-photonic devicebidirectional optical interconnections (International Conference on Solid State Devices and Materials)
68.	1990	A VSTEP as an optically self-addressed spatial light modulator with transmission light amplification function (Third Optoelectronic Conference (OEC'90))
69.	1990	Application of FSK signals to wavelength-division switching systems (International Topical Meeting on Photonic Switching)
70.	1990	High power and narrow linewidth 1.5-μm MQW DFB-LDs with low FM dip frequency (Conference on Lasers and Electro-optics (CLEO'90))
71.	1990	Semiconductor tunable wavelength filters (Invited) (Third Optoelectronic Conference (OEC'90))
72.	1990	Surface emitting laser operation in vertical to surface transmission electro-photonic devices with a vertical cavity (IEEE Lasers and Electro-Optics Society 1990 Annual Meeting)
73.	1989	A photonic wavelength-division switching system using tunable laser diode filters (International Conference on Communications)
74.	1989	An experiment on photonic wavelength-division and time-division hybrid switching (2nd Topical Meeting on Photonic Switching)
75.	1988	1.5 μm tunable wavelength filter using phase-shift controllable DFB LD with wide tuning range and high constant gain (14th European Conference on Optical Communication (ECOC'88))
76.	1988	1.5 μm tunable wavelength filter with wide tuning range and high constant gain using phase controllable DFB LD (Topical Meeting on Integrated and Guided Wave Optics (IGWO'88))
77.	1988	1.5μm wavelength tunable DBR lasers with large continuous tuning ranges and narrow spectral linewidths (11th IEEE International Semiconductor Laser Conference)
78.	1988	Eight-channel wavelength-division switching experiment using wide-tuning-range DFB LD filters (14th European Conference on Optical Communication (ECOC'88))
79.	1988	High efficiency and high speed operation in 1.55μm λ/4 shifted DFB-DC-PBH LD with a new window structure (Conference on Optical Fiber Communication (OFC'88))
80.	1987	High single longitudinal yield in 1.55 μm phase-shifted DFB-DC-PBH LDs with a novel cavity end structure (13th European Conference on Optical Communication (ECOC'87))
81.	1987	Stable single longitudinal mode operation in λ/4 shift DFB-DC-PBH LDs (Conference on Optical Fiber Communication (OFC'87))
82.	1986	Highly stable single longitudinal mode operation in λ/4 shift DFB-DC-PBH LDs (12th European Conference on Optical Communication (ECOC'86))