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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| OPE, LQE, OFT, OCS | 2024-05-17 15:40 |
Online | Online | [Special Invited Talk]
SM-TCC-VCSEL-based 800 Gbps Linear Drive Pluggable Transceiver Yamato Iwama, Takatoshi Yagisawa, Satoshi Ide (FOC), Kazutaka Takeda (FFBI), Chang Ge, Xiodong Gu, Fumio Koyama (Tokyo Tech) |
[more] | |
| OPE, OCS, LQE | 2022-10-21 13:55 |
Ehime | (Primary: On-site, Secondary: Online) |
[Invited Talk]
Mode control and high-speed modulation of 1060nm transverse coupled cavity VCSELs Fumio Koyama (Tokyo Tech)  OCS2022-35 OPE2022-81 LQE2022-44 |
A lot of unique features of VCSELs have been proven. The market of VCSELs has been growing up rapidly and they are now k... [more] | OCS2022-35 OPE2022-81 LQE2022-44 pp.94-99 |
| LQE, OPE, SIPH | 2018-12-06 13:50 |
Tokyo | Keio University | [Invited Talk]
VCSEL Photonics for communications and 3D sensing Fumio Koyama (Tokyo Tech) OPE2018-101 LQE2018-111 SIPH2018-17 |
[more] | OPE2018-101 LQE2018-111 SIPH2018-17 pp.23-30 |
| LQE | 2017-12-15 17:00 |
Tokyo | [Invited Talk]
New Function and Integration of VCSEL Photonics Fumio Koyama (Tokyo Tech) LQE2017-96 |
[more] | LQE2017-96 pp.47-52 |
|
| R, EMD, CPM, LQE, OPE | 2017-09-01 09:10 |
Aomori | Wide Wavelength Sweep & Low Voltage Operation of Tunable MEMSVCSEL Employing Mechanical Resonance Shun Nishimura, Masanori Nakahama, Shunya Inoue, Akihiro Matutani, Takahiro Sakaguti, Fumio Koyama (Tokyo Inst. of Tech.) R2017-31 EMD2017-25 CPM2017-46 OPE2017-55 LQE2017-28 |
WWe demonstrated the low voltage and high speed wavelength sweep operation of 850 nm MEMS VCSELs by using high-Q mechani... [more] | R2017-31 EMD2017-25 CPM2017-46 OPE2017-55 LQE2017-28 pp.37-40 |
|
| LQE, OPE, EMD, R, CPM | 2016-08-26 10:40 |
Hokkaido | VCSEL-based Slow Light SOA with High Power and High Resolution Beam Steering Masanori Nakahama, Xiaodong Gu, Akihiro Matsutani, Takahiro Sakaguchi, Fumio Koyama (Tokyo Tech.) |
[more] | ||
| LQE, EST, OPE, EMT, PN, MWP, IEE-EMT, PEM [detail] | 2016-01-28 16:00 |
Hyogo | Beam control of VCSELs using high-index contrast sub-wavelength grating Shunya Inoue, Akihiro Matsutani, Fumio Koyama (Tokyo Tech) PN2015-72 EMT2015-123 OPE2015-185 LQE2015-172 EST2015-129 MWP2015-98 |
[more] | PN2015-72 EMT2015-123 OPE2015-185 LQE2015-172 EST2015-129 MWP2015-98 pp.229-234 |
|
| LQE | 2015-12-18 10:15 |
Tokyo | High-speed and low chirp operations of transverse-coupled-cavity VCSELs Shanting Hu, Fumio Koyama (Tokyo Tech) LQE2015-124 |
[more] | LQE2015-124 pp.5-8 |
|
| LQE, OPE | 2015-06-19 14:25 |
Tokyo | [Invited Talk]
Tunable Light Sources for Next Generation Access Networks Fumio Koyama (Tokyo Tech) OPE2015-15 LQE2015-25 |
Passive optical networks (PONs) have been being installed to provide broadband services worldwide. In order to meet dem... [more] | OPE2015-15 LQE2015-25 pp.25-30 |
|
| OPE, LQE | 2014-12-19 11:40 |
Tokyo | Kikai-Shinko-Kaikan, NTT Atsugi R&D center | [Encouragement Talk]
Athermal Tunable VCSEL with Thermally-and Electrostatically-actuated Micromachined Mirror Masanori Nakahama, Takahiro Sakaguchi, Akihiro Matsutani, Fumio Koyama (Tokyo Tech.) OPE2014-144 LQE2014-131 |
(To be available after the conference date) [more] | OPE2014-144 LQE2014-131 pp.27-30 |
| OCS, OPE, LQE | 2014-10-31 09:20 |
Nagasaki | Nagasaki Museum of History and Culture | Miniature Slow-light Bragg Reflector Waveguide Modulator with over 20GHz Modulation Bandwidth Xiaodong Gu, Ayako Suzuki, Akihiro Matsutani, Fumio Koyama (Tokyo Inst. of Tech.) OCS2014-69 OPE2014-113 LQE2014-87 |
A slow-light Bragg reflector waveguide optical modulator is designed and optimized for operations with large modulation ... [more] | OCS2014-69 OPE2014-113 LQE2014-87 pp.141-146 |
| OCS, OPE, LQE | 2014-10-31 13:25 |
Nagasaki | Nagasaki Museum of History and Culture | Large Port-Count Wavelength Selective Switch Based on a Bragg Reflector Waveguides Array Xiaodong Gu (Tokyo Inst. of Tech.), Kenya Suzuki, Yuichiro Ikuma (NTT), Fumio Koyama (Tokyo Inst. of Tech.) OCS2014-76 OPE2014-120 LQE2014-94 |
A wavelength selective switch (WSS) is proposed based on a Bragg reflector waveguide array, which has a footprint of onl... [more] | OCS2014-76 OPE2014-120 LQE2014-94 pp.179-184 |
| OPE, LQE | 2014-06-20 15:50 |
Tokyo | Low Driving Voltage Electro-absorption Modulator Laterally Integrated with VCSEL Hamed Dalir, Yuta Takahashi, Fumio Koyama (Tokyo Inst. of Tech.) OPE2014-19 LQE2014-24 |
[more] | OPE2014-19 LQE2014-24 pp.31-34 |
|
| OCS, OPE, OFT (Joint) [detail] |
2014-02-28 10:10 |
Okinawa | nest HOTEL Naha | Generation of the vortex beam using Bragg reflector waveguides and its application for multimode fiber transmission Kenji Tanabe, Shota Mochizuki, Xiaodong Gu, Fumio Koyama (Tokyo Inst. of Tech.) OCS2013-109 OFT2013-70 OPE2013-220 |
We propose the generation of the vortex using Bragg reflector waveguides. This method is that the propagating light whic... [more] | OCS2013-109 OFT2013-70 OPE2013-220 pp.45-49(OCS), pp.81-85(OFT), pp.81-85(OPE) |
| LQE | 2013-12-13 10:25 |
Tokyo | Wavelength tuning characteristics of athermal VCSELs with thermally actuated MEMS structure Masanori Nakahama, Hayato Sano, Takahiro Sakaguchi, Akihiro Matsutani, Fumio Koyama (Tokyo Inst. of Tech.) LQE2013-127 |
We demonstrate the wavelength tuning of 850nm-GaAs-VCSELs with a controlled temperature dependence of wavelengths using... [more] | LQE2013-127 pp.11-14 |
|
| LQE, OPE | 2013-06-21 11:00 |
Tokyo | Super-high Resolution Beam Steering Based on Bragg Reflector Waveguides Xiaodong Gu, Toshikazu Shimada, Akihiro Matsutani, Fumio Koyama (Tokyo Inst. of Tech.) OPE2013-8 LQE2013-18 |
We demonstrated a compact and super-high resolution beam steering device using a Bragg reflector waveguide. For 37 nm tu... [more] | OPE2013-8 LQE2013-18 pp.7-12 |
|
| LQE, OPE | 2013-06-21 15:15 |
Tokyo | Push-Pull Modulation of Transverse Coupled-Cavity VCSELs Hamed Dalir, Fumio Koyama (Tokyo Inst. of Tech.) OPE2013-13 LQE2013-23 |
We propose the lateral coupled cavity VCSEL by using a bow-tie connection for enhancing the modulation bandwidth. Two ox... [more] | OPE2013-13 LQE2013-23 pp.33-38 |
|
| LQE | 2012-12-13 15:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Hollow waveguide DBR lasers with 2D optical confinement structure toward athermal and narrow linewidth operation Hideaki Yamakawa, Tomohiro Akutsu, Takahiro Sakaguchi, Fumio Koyama (TITECH) LQE2012-131 |
[more] | LQE2012-131 pp.47-50 |
| LQE, CPM, EMD, OPE, R | 2012-08-23 17:05 |
Miyagi | Tohoku Univ. | Lateral Integration of Tunable MEMS VCSEL and Slow Light Amplifier Masanori Nakahama, Hayato Sano, Toshikazu Shimada, Xiaodong Gu, Takahiro Sakaguchi, Akihiro Matsutani, Fumio Koyama (Tokyo Tech.) R2012-33 EMD2012-39 CPM2012-64 OPE2012-71 LQE2012-37 |
We propose the lateral integration scheme of an MEMS tunable VCSEL and a slow light amplifier for increasing single-mode... [more] | R2012-33 EMD2012-39 CPM2012-64 OPE2012-71 LQE2012-37 pp.61-66 |
| 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 |
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