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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 71  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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)
(To be available after the conference date) [more]
OFT 2022-01-20
14:55
Online Online Study on optical tap waveguide with tunable wavelength and branching property
Yoko Yamashita, Takayoshi Mori, Takashi Matsui, Kazuhide Nakajima (NTT) OFT2021-59
We propose optical tap waveguide with tunable wavelength and branching property by inscribing long period fiber grating ... [more] OFT2021-59
pp.21-26
RCS, SAT
(Joint)
2021-08-27
10:55
Online Online [Encouragement Talk] Study on key-distillation system with adaptive polar codes in free-space quantum key distribution
Yuma Yamashita (NITech), Hiroyuki Endo (NICT), Shingo Fujita, Eiji Okamoto (NITech), Hideki Takenaka, Morio Toyoshima (NICT) SAT2021-35
Quantum key distribution (QKD) is a cryptographic method that has been proven as secure against any physically allowable... [more] SAT2021-35
pp.37-42
LQE, CPM, ED 2020-11-27
14:10
Online Online First demonstration of InGaN QW tunable single-mode laser with periodically slotted structure
Masahiro Uemukai, Akihiro Higuchi, Tomoyuki Tanikawa, Ryuji Katayama (Osaka Univ.) ED2020-21 CPM2020-42 LQE2020-72
Nitride semiconductors such as GaN and AlN have strong optical nonlinearity, and they can be applied to nonlinear optica... [more] ED2020-21 CPM2020-42 LQE2020-72
pp.79-82
OPE, LQE 2020-11-20
15:30
Online Online Spectral linewidth reduction of hybrid tunable laser by loading optical negative feedback circuit
Tatsuki Komatsubara, Toshiaki Okachi (Waseda Univ.), Nobuhide Yokota, Hiroshi Yasaka (Tohoku Univ.), Tomohiro Kita (Waseda Univ.) OPE2020-71 LQE2020-51
Spectral linewidth of a hybrid tunable laser consisted from SOA and Si optical circuits is reduced by loading an optical... [more] OPE2020-71 LQE2020-51
pp.129-132
AP, SANE, SAT
(Joint)
2020-07-15
15:05
Online Online Numerical investigation on the application of polar codes to free-space quantum key distribution
Yuma Yamashita (NITech), Hiroyuki Endo (NICT), Shingo Fujita, Eiji Okamoto (NITech), Hideki Takenaka, Morio Toyoshima (NICT) SAT2020-5
Quantum key distribution (QKD) is a technology to securely share keys against any attack physically permitted, with the ... [more] SAT2020-5
pp.13-18
RISING
(2nd)
2019-11-26
14:10
Tokyo Fukutake Learning Theater, Hongo Campus, Univ. Tokyo [Poster Presentation] Utilization of convolutional neural network for the fabrication processes of semiconductor nanostructures
Tomoki Tanoue, Kyoko Kitamura (Kyoto Inst. Tech.), Masahiro Yoshida, Kohei Suenaga, Kenji Ishizaki, Susumu Noda (Kyoto Univ.)
Photonic-crystal laser is a surface-emitting semiconductor laser which possesses semiconductor nanostructures (photonic ... [more]
LQE, OPE, CPM, EMD, R 2019-08-22
13:30
Miyagi   [Invited Talk] Progress of InP-based Monolithically Integrated Photonic Devices and Future Prospect Towards Beyond Tbps Era
Hideki Yagi (SEI) R2019-20 EMD2019-18 CPM2019-19 OPE2019-47 LQE2019-25
InP-based photonic devices have yielded the monolithic integration of
various functionalities in addition to miniaturi... [more]
R2019-20 EMD2019-18 CPM2019-19 OPE2019-47 LQE2019-25
pp.5-9
LQE, LSJ 2019-05-31
13:25
Shiga   Theoretical analysis on influence of the pump-induced loss for the efficiency of Ti:sapphire laser
Shunji Kataoka, Tomoki Kanetake, Masashi Shibata, Ryo Kobayashi, Yu Aoyagi, Junya Maeda, Sakae Kawato (Univ. of Fukui)
We investigate influence of the laser efficiency due to the pump-induced loss in a Ti:sapphire laser crystal. We experim... [more] LQE2019-21
pp.39-42
LQE, OPE, SIPH 2018-12-06
16:20
Tokyo Keio University [Invited Talk] Watt-class Green and Blue Laser Diodes
Masahiro Murayama, Yusue Nakayama, Yukio Hoshina, Hideki Watanabe, Hidekazu Kawanishi, Takahiro Koyama, Noriyuki Fuutagawa (Sony), Toshiya Uemura (Toyoda Gosei), Katsunori Yanashima (Sony) OPE2018-105 LQE2018-115 SIPH2018-21
We achieved high-power operation using 530-nm green and 465-nm blue laser diodes fabricated on semipolar {20-21} and c-p... [more] OPE2018-105 LQE2018-115 SIPH2018-21
pp.39-42
LQE, OPE, SIPH 2018-12-06
17:10
Tokyo Keio University Fabrication of broadband loop mirror using Si optical waveguide curved directional coupler
Takuya Mitarai, Moataz Eissa, Takayuki Miyazaki, Fumihito Tachibana, Bai Liu, Wang Yuning, Tomohiro Amemiya, Nobuhiko Nishiyama, Arai Shigehisa (Titech) OPE2018-118 LQE2018-128 SIPH2018-34
For realization of high efficiency III-V/SOI hybrid laser, we investigated external resonator structure based on Si opti... [more] OPE2018-118 LQE2018-128 SIPH2018-34
pp.103-108
OPE, LQE, OCS 2018-10-18
15:00
Saga   Study on our all-optical-gate-type mode-locked laser's ring-laser-cavity configuration for modelling and then enhancing its output quantum-conversion efficiency
Kodai Ishida, Kengo Okano, Kyosuke Nagasaka, Batkhuyag Ganbat, Yukihiro Ishii, Makoto Takeshita, Yoshiyasu Ueno (UEC) OCS2018-35 OPE2018-71 LQE2018-60
We are expecting that mode-locked lasers are potentially one- or two-step more functional light sources when they are ad... [more] OCS2018-35 OPE2018-71 LQE2018-60
pp.41-46
R, EMD, CPM, LQE, OPE 2017-09-01
10:40
Aomori   Temperature dependance of threshold current of membrane DFB/DR lasers using Bragg wavelength detuning
Daisuke Inoue, Kai Fukuda, Takuo Hiratani, Takahiro Tomiyasu, Tatsuya Uryu, Tomohiro Amemiya, Nobuhiko Nishiyama, Shigehisa Arai (Tokyo Inst. of Tech.) R2017-34 EMD2017-28 CPM2017-49 OPE2017-58 LQE2017-31
The performance of integrated circuits has proceeded to higher integration density and speed based on scaling law in MOS... [more] R2017-34 EMD2017-28 CPM2017-49 OPE2017-58 LQE2017-31
pp.51-54
PN, NS, OCS
(Joint)
2017-06-15
16:55
Akita Akita Univ. [Invited Talk] Power-Over-Fiber Technologies for Optically Powered Remote Antenna Units in Radio-Over-Fiber Systems
Motoharu Matsuura (UEC) PN2017-10
This paper reviews recent power-over-fiber technologies for optically powered remote antenna units in radio-over-fiber s... [more] PN2017-10
pp.27-34
LQE, LSJ 2017-05-25
16:55
Ishikawa   Theoretical analysis of efficiency in a mode-locked laser with an intra-cavity nonlinear medium
Toru Sato, Naoya Nakajima, Shinichi Inayoshi, Hiroki Kadoya, Keisuke Hayashi, Tomoki Kanetake, Fumihiro Sugiki, Sakae Kawato (Fukui Univ.) LQE2017-8
We investigate the laser efficiency in a mode-locked Yb:YAG laser with an intra-cavity highly nonlinear medium by using ... [more] LQE2017-8
pp.33-36
LQE 2016-12-16
14:30
Tokyo Kikai-Shinko-Kaikan Bldg. [Invited Talk] InP-Based Monolithically Integrated Photonic Devices -- Current Status and Future Prospect --
Hideki Yagi, Toshimitsu Kaneko, Hiroyuki Yoshinaga, Hajime Shoji (SEI) LQE2016-103
InP-based photonic devices have yielded monolithic integration of various functionalities in addition to miniaturization... [more] LQE2016-103
pp.33-36
LQE, OPE, OCS 2016-10-27
10:35
Miyazaki Miyazaki Citizen's Plaza Investigation on the High Efficiency Operation of Semiconductor Membrane Distributed-Reflector Laser
Takahiro Tomiyasu, Takuo Hiratani, Daisuke Inoue, Kai Fukuda, Tatsuya Uryu, Tomohiro Amemiya, Nobuhiko Nishiyama, Shigehisa Arai (Tokyo Tech) OCS2016-35 OPE2016-76 LQE2016-51
Recent progress of high-density and high-speed in LSI has been achieved based on the scaling law, while some problems su... [more] OCS2016-35 OPE2016-76 LQE2016-51
pp.1-6
EST 2016-09-09
10:01
Okinawa Ishigakishi-Shoko-Kaikan Electromagnetic Field Analysis of a Cylindrical Gain Medium Using the ADE-FDTD method
Ryohei Uemura, Shinichiro Ohnuki (Nihon Univ) EST2016-49
Development of photonic integrated circuits which are densely filled with photonic elements in substitution for electric... [more] EST2016-49
pp.231-234
LQE, OPE, EMD, R, CPM 2016-08-25
10:10
Hokkaido   Fabrication of GaInAsP/SOI Hybrid Fabry-Perot Laser with AlInAs-oxide Confinement Structure
Junichi Suzuki, Yusuke Hayashi, Satoshi Inoue, Tomohiro Amemiya, Nobuhiko Nishiyama, Shigehisa Arai (Titech) R2016-21 EMD2016-25 CPM2016-34 OPE2016-55 LQE2016-30
In order to realize a highly efficient GaInAsP/SOI hybrid laser, we fabricated a GaInAsP/SOI hybrid Fabry-Pérot (FP... [more] R2016-21 EMD2016-25 CPM2016-34 OPE2016-55 LQE2016-30
pp.9-14
LQE, LSJ 2016-05-20
14:55
Fukui   Theoretical Investigation of Laser-Diode-Pumped High Efficiency CW Ti:Sapphire Laser
Motoki Morioka, Keisuke Hayashi, Shinichi Inayoshi, Hiroki Kadoya, Toru Sato, Sakae Kawato (Univ. of Fukui) LQE2016-17
The efficiency of a continuous wave, laser diode pumped Ti:Sapphire laser were investigated theoretically. The efficienc... [more] LQE2016-17
pp.77-80
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