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 Results 1 - 20 of 33  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
LQE, OPE, SIPH 2018-12-06
Tokyo Keio University Full C+L-Band, Mode Hop Free Wavelength Tunable LD with a Linewidth of Less than 8 kHz
Keisuke Kasai, Masataka Nakazawa (Tohoku Univ.), Yasunori Tomomatsu, Takashi Endo (Koshin Kogaku) OPE2018-109 LQE2018-119 SIPH2018-25
We present a full 90-nm C+L-band (1530-1620 nm) mode hop free wavelength tunable LD in which we developed a new waveleng... [more] OPE2018-109 LQE2018-119 SIPH2018-25
OPE 2017-12-07
Okinawa   [Poster Presentation] Etalon-filter-based mode hop detection for wavelength tunable lasers
Masataka Gohara, Takeshi Kuboki, Kazutoshi Kato (Kyushu Univ.) OPE2017-103
At the multi-electrode tunable laser diodes, mode hops appear when we sweep the wavelength with tuning currents. Therefo... [more] OPE2017-103
R, EMD, CPM, LQE, OPE 2017-09-01
Aomori   A full C-band wavelength tunable laser diode with narrow linewidth and low intensity noise characteristics
Keisuke Kasai, Masataka Nakazawa (Tohoku Univ.), Yasunori Tomomatsu, Takashi Endo (Koshin Kogaku) R2017-36 EMD2017-30 CPM2017-51 OPE2017-60 LQE2017-33
We demonstrate a narrow-linewidth, low-intensity noise, widely wavelength-tunable LD for which we adopted a long externa... [more] R2017-36 EMD2017-30 CPM2017-51 OPE2017-60 LQE2017-33
OPE 2016-12-08
Okinawa   Wavelength characteristics of a Si3N4 waveguide resonator with distributed Bragg reflectors for optical tunable filters having ferro-electric liquid crystal
Sho Inamori, Kentaro Sakakibara, Masayuki Takeda (kanagawa Inst. of Tech.), Noritsugu Yamamoto (AIST), Katsumi Nakatsuhara (kanagawa Inst. of Tech.) OPE2016-108
Ferro-electric liquid crystal (FLC) materials have the high speed response time of sub-milliseconds. In addition, FLC ma... [more] OPE2016-108
OPE, OME 2015-11-26
Kagawa Sunport-hall Takamatsu Switching characteristics of a tunable wavelength filter using Si-AWG and FLC
Wataru Kanakubo, Daisuke Kimura, Kenta Tamura, Masayuki Takeda, Katsumi Nakatsuhara (KAIT) OME2015-68 OPE2015-134
We proposed and fabricated a tunable wavelength filter using an arrayed waveguide grating (AWG) featuring ferroelectric ... [more] OME2015-68 OPE2015-134
LQE, OPE 2015-06-19
Tokyo   Wavelength selective devices using PLZT waveguides for optical communications
Hideaki Asakura (Keio Univ.), Keiichi Nashimoto (EpiPhotonics), Hiroyuki Tsuda (Keio Univ.) OPE2015-10 LQE2015-20
A high-speed wavelength selective device was designed and fabricated using (Pb, La)(Zr, Ti)O_{3} (PLZT), which has large... [more] OPE2015-10 LQE2015-20
LQE, OPE 2015-06-19
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
OPE, LQE 2014-12-18
Tokyo Kikai-Shinko-Kaikan, NTT Atsugi R&D center [Invited Talk] Narrow Linewidth and High Output Power Silicon Photonic Hybrid Ring-Filter External Cavity Wavelength Tunable Lasers
Kenji Sato, Naoki Kobayashi, Masahiko Namiwaka (NEC Yamanashi), Keisuke Yamamoto (NEC), Shinya Watanabe (NEC Yamanashi), Tomohiro Kita, Hirohito Yamada (Tohoku Univ.), Hiroyuki Yamazaki (NEC Yamanashi) OPE2014-139 LQE2014-126
Si-photonic Hybrid Ring External Cavity (SHREC) wavelength tunable lasers by passive alignment techniques with over 100-... [more] OPE2014-139 LQE2014-126
OPE, LQE 2014-12-18
Tokyo Kikai-Shinko-Kaikan, NTT Atsugi R&D center Silicon Photonic Wavelength Tunable Laser with Highly Asymmetric Mach-Zehnder Interferometer
Rui Tang, Tomohiro Kita, Hirohito Yamada (Tohoku Univ.) OPE2014-140 LQE2014-127
Utilizing tunable silicon ring resonator filter as an external resonator, the wavelength tunable laser has demonstrated ... [more] OPE2014-140 LQE2014-127
OME, OPE 2014-11-21
Tokyo   An optical tunable add-drop multiplexer featuring ferroelectric liquid crystal and an improvement of wavelength characteristics by using weighted grating structures
Yoshiki Hayama, Katsumi Nakatsuhara, Masayuki Takeda (Kanagawa Inst. Technol.), Akifumi Kato (AIST) OME2014-58 OPE2014-138
We proposed and fabricated a tunable add-drop multiplexer in a silicon waveguide Mach-Zehnder interferometer that has sa... [more] OME2014-58 OPE2014-138
OPE 2013-12-20
Tokyo Kikai-Shinko-Kaikan Bldg. [Invited Talk] Optical path control by combining silicon waveguides and MEMS actuators -- Feasibility of MEMS-tunable microring for wavelength selective switch --
Kazuhiro Hane, Hoang Manh Chu (Tohoku Univ.) OPE2013-145
Silicon wire waveguide wavelength selective switch is proposed on the basis of microelectromechanical systems (MEMS) tec... [more] OPE2013-145
OPE, LQE, CPM, EMD, R 2013-08-30
Hokkaido sun-refre Hakodate Theoretical characteristics and fabrication of Si grating waveguides having ferro-electric liquid crystal for optical tunable filters
Akifumi Kato, Katsumi Nakatsuhara, Yoshiki Hayama (Kanagawa Inst. of Tech.) R2013-61 EMD2013-67 CPM2013-86 OPE2013-90 LQE2013-60
We proposed and fabricated tunable filters using Si-grating waveguides with ferroelectric liquid crystal cladding. We th... [more] R2013-61 EMD2013-67 CPM2013-86 OPE2013-90 LQE2013-60
LQE 2012-12-13
Tokyo Kikai-Shinko-Kaikan Bldg. 10.7Gbps-80km Fiber Transmission of Full C-band Tunable TOSA with LGLC Tunable Laser
Kazuhiko Naoe, Atsushi Nakamura, Noriko Sasada, Akira Nakanishi, Yasushi Sakuma, Katsuya Motoda, Takeshi Yamashita, Tomohiko Yahagi (Oclaro), Takanori Suzuki, Hideo Arimoto, Shigehisa Tanaka (Hitachi CRL) LQE2012-134
LGLC tunable laser which was integrated with lateral grating assisted lateral co-directional coupler (LGLC) as the tunab... [more] LQE2012-134
LQE, CPM, EMD, OPE, R 2012-08-24
Miyagi Tohoku Univ. Fast and widely wavelength swept fiber laser based on dispersion tuning for OCT application
Yuya Takubo, Shinji Yamashita (Univ. of Tokyo) R2012-36 EMD2012-42 CPM2012-67 OPE2012-74 LQE2012-40
Optical coherence tomography (OCT) is a noninvasive cross-sectional imaging technique using infrared light, which need f... [more] R2012-36 EMD2012-42 CPM2012-67 OPE2012-74 LQE2012-40
LQE, LSJ 2012-05-25
Fukui Univ. of Fukui (Bunkyo Campus) Wavelength tuning characteristics of a 200-GHz channel spacing arrayed-waveguide grating using PLZT buried waveguides
Hideaki Asakura (Keio Univ.), Keiichi Nashimoto, David Kudzuma, Masahiko Hashimoto (EpiPhotonics), Hiroyuki Tsuda (Keio Univ.) LQE2012-3
We fabricated an AWG (arrayed-waveguide grating) with 8 output channels at a spacing of 200 GHz, using PLZT ((Pb, La)(Zr... [more] LQE2012-3
ED, SDM, CPM 2012-05-18
Aichi VBL, Toyohashi Univ. of Technol. A tunable color filter based on sub-wavelength gratings using electrostatic microactuator
Hiroaki Honma, Hajime Miyao, Kazuhiro Takahashi, Makoto Ishida, Kazuaki Sawada (Toyohashi Tech.) ED2012-39 CPM2012-23 SDM2012-41
Sub-wavelength grating have The guided-mode resonance was obtained in surface of sub-wavelength grating. Particular wave... [more] ED2012-39 CPM2012-23 SDM2012-41
SCE, MW 2010-04-23
Tokyo Kikai-Shinko-Kaikan Bldg. Experimental study of bandwidth tunable filters using Π-shaped waveguides
Naoto Sekiya, Hiroyuki Harada, Yasuhiko Nakagawa (Yamanashi Univ.), Shigetoshi Ohshima (Yamagata Univ.) SCE2010-7 MW2010-7
We have developed a method for tuning the bandwidth of microstrip filter. Several -shaped waveguides are placed ... [more] SCE2010-7 MW2010-7
OPE, OFT 2010-02-26
Tokyo Kikai-Shinko-Kaikan Bldg. Influence of Frequency Chirping Induced by Semiconductor Optical Amplifier on Transmission Characteristics
Kei Kitamura, Motoharu Matsuura, Naoto Kishi (Univ. of Electro-Commun.) OFT2009-83 OPE2009-224
We investigated the transmission characteristics of the converted signal with frequency chirping after wavelength conver... [more] OFT2009-83 OPE2009-224
OFT 2010-01-21
Okinawa   Fast and Widely Wavelength-Swept Fiber Laser based on Optically-driven Dispersion Tuning
Osamu Kusakari, Shinji Yamashita (Univ. of Tokyo.) OFT2009-74
We propose a wavelength tunable laser with dispersion tuning method, which uses dispersive cavity and mode-locking. An a... [more] OFT2009-74
LQE, OPE 2009-06-19
Tokyo Kikai-Shinko-Kaikan Bldg. Improvement filter responses and fabrication process of multiple-cavity Fabry-Perot resonator waveguides for optical tunable filter
Akifumi Kato, Katsumi Nakatsuhara, Takakiyo Nakagami (Kanagawa Inst. of Tech.) OPE2009-24 LQE2009-27
We proposed and fabricated a tunable filter using Si-waveguide multiple-cavity Fabry-Perot resonators with ferroelectric... [more] OPE2009-24 LQE2009-27
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