Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
LQE, OPE, OCS |
2023-11-24 16:55 |
Online |
Online |
[Special Invited Talk]
Micro-transfer-printed InP-based Membrane Photonic Devices on Thin-film Lithium Niobate Platform Yoshiho Maeda, Hidetaka Nishi, Nikolaos-Panteleimon Diamantopoulos, Takuro Fujii, Takuma Aihara, Suguru Yamaoka, Tatsurou Hiraki, Koji Takeda, Toru Segawa (NTT), Yasutomo Ota (Keio Univ.), Satoshi Iwamoto, Yasuhiko Arakawa (Tokyo Univ.), Shinji Matsuo (NTT) OCS2023-56 OPE2023-106 LQE2023-53 |
(To be available after the conference date) [more] |
OCS2023-56 OPE2023-106 LQE2023-53 pp.34-36 |
OCS, LQE, OPE |
2023-10-19 13:50 |
Kochi |
(Primary: On-site, Secondary: Online) |
Integration of Spot-size Converters into Membrane Lasers on SiC
-- Improved fiber-coupled Output Power Enabling Fiber-amplifier-free Transmission of 100-GBaud Signals -- Suguru Yamaoka, Takuma Aihara, Nikolaos-Panteleimon Diamantopoulos, Hidetaka Nishi, Takuro Fujii, Yoshiho Maeda, Hiroki Sugiyama, Tatsurou Hiraki, Koji Takeda, Toru Segawa, Shinji Matsuo (NTT) OCS2023-31 OPE2023-86 LQE2023-33 |
Membrane lasers on SiC provide the fastest direct modulation, but the SiC’s medium refractive index of 2.6 prevents the ... [more] |
OCS2023-31 OPE2023-86 LQE2023-33 pp.24-27 |
OPE, OCS, LQE |
2022-10-21 14:35 |
Ehime |
(Primary: On-site, Secondary: Online) |
Low energy direct modulation of a 5-um-long active region on Si DBR laser Erina Kanno, Koji Takeda, Takuro Fujii, Takaaki Kakitsuka, Shinji Matsuo (NTT) OCS2022-36 OPE2022-82 LQE2022-45 |
In order to introduce optical interconnects into short-distance interconnects, ultra-low power consumption lasers are ne... [more] |
OCS2022-36 OPE2022-82 LQE2022-45 pp.100-103 |
EMT, MWP, PN, IEE-EMT [detail] |
2021-01-21 13:50 |
Online |
Online |
[Invited Talk]
Ultralow power consumption membrane lasers and photonic-crystal lasers Koji Takeda, Shinji Matsuo (NTT) PN2020-35 EMT2020-53 MWP2020-36 |
Low-power dissipation lasers on Si are needed for short-distance optical interconnects. We review our recent progress on... [more] |
PN2020-35 EMT2020-53 MWP2020-36 pp.32-36 |
OCS, OPE, LQE |
2018-11-12 17:15 |
Tokyo |
Kikai-Shinko-Kaikan Bldg (Tokyo) |
[Special Invited Talk]
Membrane InGaAsP Mach-Zehnder modulator on Si platform Tatsurou Hiraki, Takuma Aihara, Koji Takeda, Takuro Fujii, Takaaki Kakitsuka, Tai Tsuchizawa, Hiroshi Fukuda, Shinji Matsuo (NTT) OCS2018-67 OPE2018-96 LQE2018-85 |
(Advance abstract in Japanese is available) [more] |
OCS2018-67 OPE2018-96 LQE2018-85 pp.31-34 |
LQE, LSJ |
2018-05-25 13:50 |
Fukui |
|
Monolithic Integration of an 8-channel Directly Modulated Membrane-laser Array and a SiN AWG Filter on Si Hidetaka Nishi, Takuro Fujii, Nikolaos-Panteleimon Diamantopoulos, Koji Takeda, Erina Kanno, Takaaki Kakitsuka, Tai Tsuchizawa, Hiroshi Fukuda, Shinji Matsuo (NTT) LQE2018-17 |
[more] |
LQE2018-17 pp.29-32 |
LQE, LSJ |
2017-05-26 10:50 |
Ishikawa |
|
III-V/Si MOS Capacitor Mach-Zehnder Modulator Tatsurou Hiraki, Takuma Aihara, Koichi Hasebe, Takuro Fujii, Koji Takeda, Takaaki Kakitsuka, Tai Tsuchizawa, Hiroshi Fukuda, Shinji Matsuo (NTT) LQE2017-13 |
[more] |
LQE2017-13 pp.53-56 |
WPT |
2017-03-06 14:00 |
Kyoto |
Kyoto Univ. Uji Campus |
Basic Experiments on WPT System for Solar Power Satellite Raza Mudassir (sokendai), Koji Tanaka (ISAS), Koji Takeda (Delft University of Technology), Misato Yoneyama (Tokyo University of Science, SUWA) WPT2016-68 |
A novel measurement technique is proposed for on board calibration of phased array antenna (PAA) by using near field rot... [more] |
WPT2016-68 pp.15-18 |
LQE, OPE, EMD, R, CPM |
2016-08-25 09:20 |
Hokkaido |
|
Continuous-wave Operation of Ultra-short Cavity Membrane Lasers on Si Substrates Erina Kanno, Koji Takeda, Takuro Fujii, Koichi Hasebe, Hidetaka Nishi, Tsuyoshi Yamamoto, Takaaki Kakitsuka, Shinji Matsuo (NTT) R2016-19 EMD2016-23 CPM2016-32 OPE2016-53 LQE2016-28 |
It is required to reduce energy consumptions of directly modulated semiconductor lasers to realize very short distance o... [more] |
R2016-19 EMD2016-23 CPM2016-32 OPE2016-53 LQE2016-28 pp.1-4 |
WPT |
2016-03-07 15:20 |
Kyoto |
Kyoto Univ. Uji Campus |
The evaluation of the influences of antenna deformations and the compensation using phase control for WPT system on the Tethered-SPS Shotaro Katano (SOKENDAI), Eri Saito (Toyo Univ.), Koji Takeda (TU Delft), Koji Tanaka (JAXA) WPT2015-81 |
The control technology of microwaves is one of important theme for realization of Tethered-SPS. Especially, the transmit... [more] |
WPT2015-81 pp.27-32 |
LQE |
2015-12-18 16:35 |
Tokyo |
|
[Invited Talk]
Low threshold lasers for datacom and computercom applications Shinji Matsuo, Koji Takeda, Takuro Fujii, Hidetaka Nishi, Koichi Hasebe, Takaaki Kakitsuka (NTT) LQE2015-133 |
[more] |
LQE2015-133 pp.41-46 |
OPE, LQE |
2014-12-19 12:05 |
Tokyo |
Kikai-Shinko-Kaikan, NTT Atsugi R&D center |
[Encouragement Talk]
InGaAs photodetectors based on photonic crystal waveguide including ultrasmall buried heterostructure Kengo Nozaki, Shinji Matsuo, Takuro Fujii, Koji Takeda, Eiichi Kuramochi, Masaya Notomi (NTT) OPE2014-145 LQE2014-132 |
Ultrasmall InGaAs photodetectors based on a photonic crystal waveguide with a buried heterostructure (BH) were demonstra... [more] |
OPE2014-145 LQE2014-132 pp.31-35 |
OCS, OPE, LQE |
2014-10-30 14:30 |
Nagasaki |
Nagasaki Museum of History and Culture |
All-optical memory by buried-heterostructure high-QL3 photonic crystal nanocavity
-- Buried-heterostructure L3 nanocavity all-optical memory operated at2.3 nW bias power -- Eiichi Kuramochi, Kengo Nozaki, Akihiko Shinya, Hideaki Taniyama, Koji Takeda, Tomonari Sato, Shinji Matsuo, Masaya Notomi (NTT) OCS2014-61 OPE2014-105 LQE2014-79 |
Photonic crystal is a platform technology for ultra-compact and ultra-low-power all-optical memory. Here we report a pho... [more] |
OCS2014-61 OPE2014-105 LQE2014-79 pp.101-105 |
OCS, OPE, LQE |
2014-10-30 17:45 |
Nagasaki |
Nagasaki Museum of History and Culture |
Fabrication of membrane lasers by epitaxial growth of InP using InP-based active layer film on SiO2/Si substrate Takuro Fujii, Tomonari Sato, Koji Takeda, Koichi Hasebe, Takaaki Kakitsuka, Shinji Matsuo (NTT) OCS2014-68 OPE2014-112 LQE2014-86 |
Integration of III-V lasers on a Si substrate is the key to realizing large-scale photonic integrated circuits (PICs) us... [more] |
OCS2014-68 OPE2014-112 LQE2014-86 pp.135-140 |
EMD, LQE, OPE, CPM, R |
2014-08-21 11:15 |
Hokkaido |
Otaru Economy Center |
Lateral current injection DFB laser on Si/SiO2 substrate Shinji Matsuo, Takuro Fujii, Koichi Hasebe, Koji Takeda, Tomonari Sato, Takaaki Kakitsuka (NTT) R2014-25 EMD2014-30 CPM2014-45 OPE2014-55 LQE2014-29 |
Membrane lasers with buried heterostructure are expected to obtain extremely small operating energy because of the enhan... [more] |
R2014-25 EMD2014-30 CPM2014-45 OPE2014-55 LQE2014-29 pp.13-16 |
MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] |
2014-01-24 17:25 |
Kyoto |
Doshisha University |
InGaAs photodetectors based on photonic crystal waveguide including ultrasmall buried heterostructure Kengo Nozaki, Shinji Matsuo, Koji Takeda, Tomonari Sato, Takuro Fujii, Eiichi Kuramochi, Masaya Notomi (NTT) PN2013-83 OPE2013-197 LQE2013-183 EST2013-132 MWP2013-103 |
Ultrasmall InGaAs photodetectors based on a photonic crystal waveguide with a buried heterostructure (BH) were demonstra... [more] |
PN2013-83 OPE2013-197 LQE2013-183 EST2013-132 MWP2013-103 pp.307-310 |
OPE, LQE, CPM, EMD, R |
2013-08-29 17:20 |
Hokkaido |
sun-refre Hakodate |
Photonic-crystal lasers with current blocking trenches Koji Takeda, Tomonari Sato, Takaaki Kakitsuka, Akihiko Shinya, Kengo Nozaki, Hideaki Taniyama, Masaya Notomi, Koichi Hasebe, Shinji Matsuo (NTT) R2013-44 EMD2013-50 CPM2013-69 OPE2013-73 LQE2013-43 |
[more] |
R2013-44 EMD2013-50 CPM2013-69 OPE2013-73 LQE2013-43 pp.81-84 |
LQE, CPM, EMD, OPE, R |
2012-08-23 15:40 |
Miyagi |
Tohoku Univ. |
Electrically driven photonic crystal nano cavity laser Shinji Matsuo, Tomonari Sato, Koji Takeda (NTT) R2012-30 EMD2012-36 CPM2012-61 OPE2012-68 LQE2012-34 |
Photonic crystal lasers have attracted much attention because of the feasibility of its small energy cost operation. Thu... [more] |
R2012-30 EMD2012-36 CPM2012-61 OPE2012-68 LQE2012-34 pp.47-50 |
OPE, EMT, LQE, PN, IEE-EMT [detail] |
2011-01-28 09:50 |
Osaka |
Osaka Univ. |
Monolithically Integrated 1x100 Photonic Switch Based on Reconfigurable Phased Arrays and SOAs Ibrahim Murat Soganci, Takuo Tanemura, Koji Takeda, Masaru Zaitsu, Mitsuru Takenaka, Yoshiaki Nakano (Univ. of Tokyo) PN2010-42 OPE2010-155 LQE2010-140 |
[more] |
PN2010-42 OPE2010-155 LQE2010-140 pp.93-97 |
OPE, LQE, OCS |
2009-10-23 09:45 |
Fukuoka |
|
Experimental Demonstration of All-Optical Flip-Flop Based on Mach-Zehnder Interferometer Bistable Laser Diode Koji Takeda, Mitsuru Takenaka, Takuo Tanemura, Masaru Zaitsu, Yoshiaki Nakano (Univ. of Tokyo.) OCS2009-65 OPE2009-131 LQE2009-90 |
We fabricate and demonstrate all-optical flip-flop operation of novel Mach-Zehnder bistable laser diode. The device is b... [more] |
OCS2009-65 OPE2009-131 LQE2009-90 pp.121-124 |
|