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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| LQE | 2011-12-16 10:30 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Characteristics of slow light modulator laterally integrated with VCSEL Toshikazu Shimada, Fumio Koyama (Tokyo tech)  LQE2011-124 |
We present the fabrication and characterization of a laterally integrated device with a VCSEL and a slow light modulator... [more] | LQE2011-124 pp.7-10 |
| CPM, OPE, LQE, EMD | 2011-08-25 15:25 |
Hokkaido | Hokkaido Univ. | Giant Wavelength-Temperature Dependence of VCSEL with Thermally Actuated Cantilever Structure for Tunable VCSEL Masanori Nakahama, Hayato Sano, Norihiko Nakata, Akihiro Matsutani, Fumio Koyama (TITECH) EMD2011-40 CPM2011-84 OPE2011-75 LQE2011-38 |
We demonstrate a giant temperature dependence of wavelength by integrating a SiO2/AlGaAs thermally actuated cantilever s... [more] | EMD2011-40 CPM2011-84 OPE2011-75 LQE2011-38 pp.45-48 |
| CPM, OPE, LQE, EMD | 2011-08-25 16:50 |
Hokkaido | Hokkaido Univ. | Spatial Mode Demultiplexer Based on High Contrast Sub-wavelength Grating Hollow Waveguide Akihiro Imamura (Tokyo Tech.), Weijian Yang, James Ferrara (UC Berkeley), Yuuki Hashidume, Xiaodong Gu, Fumio Koyama (Tokyo Tech.), Connie J. Chang-Hasnain (UC Berkeley) EMD2011-43 CPM2011-87 OPE2011-78 LQE2011-41 |
We propose a spatial mode demultiplexer based on High Contrast Sub-Wavelength Grating (HCG) hollow waveguide. Each trans... [more] | EMD2011-43 CPM2011-87 OPE2011-78 LQE2011-41 pp.59-64 |
| CPM, OPE, LQE, EMD | 2011-08-26 12:05 |
Hokkaido | Hokkaido Univ. | [Invited Talk]
OECC2011 Report
-- Active devices/modules -- Akihiro Imamura, Fumio Koyama (Tokyo Tech.) EMD2011-52 CPM2011-96 OPE2011-87 LQE2011-50 |
We report on the topic of optical active modules and devices presented in OECC2011 held in 4-8 July, Kaohsiung. [more] | EMD2011-52 CPM2011-96 OPE2011-87 LQE2011-50 pp.107-108 |
| LQE, OPE | 2011-06-30 10:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Mode Selectivity and Athermal Operation for Hollow Waveguide DBR Lasers Hideaki Yamakawa, Yoshihisa Tokunaga, Takahiro Sakaguchi, Fumio Koyama (TITECH) OPE2011-17 LQE2011-17 |
Hollow waveguides exhibit extremely low temperature sensitivity and a giant equivalent refractive index change can also ... [more] | OPE2011-17 LQE2011-17 pp.11-14 |
| LQE | 2010-12-17 09:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Wavelength Control of VCSELs with a Thermally Actuated MEMS Structure Hayato Sano, Norihiko Nakata, Masanori Nakahama, Akihiro Matsutani, Fumio Koyama (Titech) LQE2010-114 |
VCSELs with a thermally actuated cantilever enables us to control the temperature dependence of lasing wavelengths. We d... [more] | LQE2010-114 pp.1-4 |
| EMD, OPE, LQE, CPM | 2010-08-26 18:05 |
Hokkaido | Chitose Arcadia Plaza | Miniaturization of Reflection-type Optical Switch with Slowing Light Ayumi Fuchida, Akihiro Matsutani, Fumio Koyama (Tokyo Inst. of Tech.) EMD2010-42 CPM2010-58 OPE2010-67 LQE2010-40 |
We report the characterization of a slow light optical switch with a Bragg reflector waveguide. A giant change in an eq... [more] |
EMD2010-42 CPM2010-58 OPE2010-67 LQE2010-40 pp.75-78 |
| EMD, OPE, LQE, CPM | 2010-08-27 13:15 |
Hokkaido | Chitose Arcadia Plaza | [Invited Talk]
OECC2010 Report
-- Active devices/modules -- Ayumi Fuchida, Fumio Koyama (Tokyo Inst. of Tech.) EMD2010-51 CPM2010-67 OPE2010-76 LQE2010-49 |
This paper reports on the topic of optical active modules and devices presented in OECC2010 held in 5-9 July,Sapporo. [more] | EMD2010-51 CPM2010-67 OPE2010-76 LQE2010-49 pp.119-121 |
| EMD, OPE, LQE, CPM | 2010-08-27 14:30 |
Hokkaido | Chitose Arcadia Plaza | Proposal of a novel integration scheme of VCSEL and Slow Light Device Toshikazu Shimada, Fumio Koyama (Tokyo Inst. of Tech.) EMD2010-54 CPM2010-70 OPE2010-79 LQE2010-52 |
We propose a novel integration scheme of VCSEL and slow light devices. The lateral optical coupling from VCSEL to slow l... [more] | EMD2010-54 CPM2010-70 OPE2010-79 LQE2010-52 pp.131-134 |
| LQE | 2009-05-22 09:50 |
Toyama | Kanazawa Univ. | Control of Temperature Sensitivity of Lasing Wavelength for MEMS Hayato Sano, Akihiro Matsutani, Fumio Koyama (Tokyo Inst. of Tech.) LQE2009-4 |
VCSELs using a thermally actuated cantilever can control their temperature dependence of lasing wavelengths. We present ... [more] | LQE2009-4 pp.19-22 |
| OPE, EMT, MW | 2008-07-24 15:15 |
Hokkaido | Bandwidth Enhancement with Optical Equalization for High Speed Modulation Koichi Hasebe (Tokyo Tech), Xiaoxue Zhao (UCB), Takahiro Sakaguchi, Fumio Koyama (Tokyo Tech), Connie J. Chang-Hasnain (UCB) MW2008-57 OPE2008-40 |
[more] | MW2008-57 OPE2008-40 pp.61-64 |
|
| OPE, OFT | 2008-03-07 09:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Radiation characteristics from tunable narrow air core hollow waveguides Akihiro Imamura, Fumio Koyama (Tokyo Tech) OFT2007-62 OPE2007-181 |
We present the new function of tunable hollow waveguides with a variable air core. We exhibit a possibility of wide-angl... [more] | OFT2007-62 OPE2007-181 pp.1-4 |
| OPE | 2007-12-14 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Tunable Optical Devices Based on Tapered Hollow Optical Waveguides Tomofumi TakeiTokyo Institute of Technologyshi, Fumio Koyama (Tokyo Inst. Tech.) |
We propose novel tunable optical devices based on tapered hollow optical waveguides. A tunable Bragg reflector based on ... [more] | OPE2007-136 pp.5-9 |
| LQE | 2007-12-07 11:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Theoretical Analysis of Carrier Injection Rate and Recombination Rate in Tunnel Injection Quantum Well Lasers Yasutaka Higa, Tomoyuki Miyamoto, Hiroshi Nakajima, Kosuke Fujimoto, Fumio Koyama (Tokyo Inst. of Tech.) LQE2007-116 |
Carrier injection rate in tunnel injection quantum well structure was investigated thorough theoretical analysis. Tunnel... [more] | LQE2007-116 pp.15-20 |
| OPE, OME | 2007-11-16 16:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Investigation on a Novel Miniature Slow Light Waveguide Switch Ayumi Fuchida, Fumio Koyama (Tokyo Tech.) OME2007-67 OPE2007-134 |
Slowing light in Bragg reflector waveguides induce large change in equivalent refractive index. This novel phenomenon en... [more] | OME2007-67 OPE2007-134 pp.41-45 |
| LQE, OPE | 2007-06-29 14:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Tapered Hollow Waveguide Multiplexer for Multi-wavelength VCSEL array Naoto Kitabayashi, Akihiro Imamura, Akihiro Matsutani, Fumio Koyama (Tokyo Inst. of Tech.) OPE2007-24 LQE2007-25 |
For high capacity short reach optical links, a miniature optical transceiver is required, which is compact, simple and e... [more] | OPE2007-24 LQE2007-25 pp.41-46 |
| CPM, OPE, R | 2007-04-20 16:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Polarization Control of VCSELs using Gold Nanorod Array P. Babu Dayal, Fumio Koyama (Tokyo Inst. of Tech.) R2007-7 CPM2007-7 OPE2007-7 |
We propose and experimentally demonstrate the polarization control of single transverse mode 850 nm VCSELs using sub-wav... [more] | R2007-7 CPM2007-7 OPE2007-7 pp.35-40 |
| OPE | 2007-02-16 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Propagation Characteristics of 3D Hollow Waveguides for Widely Tunable Optical Devices Mukesh Kumar, Fumio Koyama (Tokyo Inst. of Tech.) |
[more] | OPE2006-163 pp.1-4 |
| OPE, EMT, LQE, PN | 2007-01-29 14:15 |
Osaka | Osaka Univ. Convention Center | Slow light intensity modulator Keisuke Kuroki, Go Hirano, Fumio Koyama (Tokyo Tech) PN2006-56 OPE2006-138 LQE2006-127 |
We propose a novel optical electroabsorption modulator consisting of a distributed Bragg reflector waveguide, whose wave... [more] | PN2006-56 OPE2006-138 LQE2006-127 pp.49-54 |
| EMD, CPM, LQE, OPE | 2006-08-25 15:45 |
Hokkaido | Chitose Arcadia Plaza | Micromachined VCSELs and resonant photodetector with controlled temperature dependence Wiganes Janto, Koichi Hasebe (Tokyo Inst.of Titech), Nobuhiko Nishiyama, Catherine Caneau (Corning), Takahiro Sakaguchi, Akihiro Matsutani, Fumio Koyama (Tokyo Inst.of Titech), Chung-Eｎ Zah (Corning) |
In this paper, we propose and demonstrate micromachined InP vertical cavity surface emitting lasers (InP VCSELs) and res... [more] | EMD2006-47 CPM2006-77 OPE2006-89 LQE2006-54 pp.119-122 |
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