Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
OPE, LQE, EMD, CPM, OME (Joint) [detail] |
2012-06-22 14:45 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
[Invited Talk]
Recent Advances of Vertical Cavity Surface Emitting Lasers Fumio Koyama, Kenichi Iga (Tokyo Tech) OPE2012-16 LQE2012-20 |
We have seen a lot of unique features for VCSELs, such as low power consumption, wafer-level testing, small packaging ca... [more] |
OPE2012-16 LQE2012-20 pp.33-38 |
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 |