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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| ICTSSL, CAS | 2023-01-27 16:20 |
Tokyo | TBD (Primary: On-site, Secondary: Online) |
Dual power supply based tunable BPF with tunability of center frequency and bandwidth using tunable LPF and tunable HPF Wataru Taniuchi, Koji Wada (UEC)  CAS2022-93 ICTSSL2022-57 |
This paper proposes a dual power supply based tunable bandpass filter (BPF) with tunability of center frequency and band... [more] | CAS2022-93 ICTSSL2022-57 pp.151-156 |
| AP, MW (Joint) |
2022-09-14 15:40 |
Ehime | The Museum of Art, EHIME (Primary: On-site, Secondary: Online) |
Study of Tunable BPF for Software Defined Radio with High Tuning Ratio of Center Frequency Akehito Shiotake, Satoshi Ono, Koji Wada (UEC) MW2022-69 |
Software-defined radio (SDR) technique is widely used as receivers in many wireless systems. The Bandwidth of the SDR r... [more] |
MW2022-69 pp.7-12 |
| MW | 2021-03-05 10:30 |
Online | Online | Design of Tunable Filtering Array Antenna with Constant Absolute Bandwidth Takuya Sakemoto, Masataka Ohira, Zhewang Ma (Saitama Univ.), Akihiiro Yamada (Nippon Antenna) MW2020-91 |
In recent years, the demand for tunable antennas has been increasing with the rapid growing various wireless communicati... [more] | MW2020-91 pp.1-6 |
| 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 |
| ICTSSL, CAS | 2020-01-31 14:00 |
Tokyo | Study on a tunable multiplexer composed of tunable second-order BPFs using BST varactor loaded asymmetric hairpin resonators featuring easy adjustable of coupling coefficients. Haruka Ogikubo, Satoshi Ono, Koji Wada (UEC) CAS2019-89 ICTSSL2019-58 |
This report proposed an asymmetric hairpin resonator loaded with a BST varactor which is a variable capacitor made of ${... [more] | CAS2019-89 ICTSSL2019-58 pp.131-136 |
|
| MW, ED | 2019-01-18 14:50 |
Tokyo | Hitachi, Central Research Lab. | Design of Microstrip Tunable Filtering Antenna with Constant Absolute Bandwidth Tomoyasu Soma, Masataka Ohira, Zhewang Ma (Saitama Univ.) ED2018-87 MW2018-154 |
A tunable antenna that can change its resonant frequency electronically is one of promising components for future wirele... [more] | ED2018-87 MW2018-154 pp.97-102 |
| LQE, OPE, SIPH | 2018-12-06 17:10 |
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 pp.59-62 |
| OPE | 2017-12-07 13:15 |
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 pp.75-78 |
|
| R, EMD, CPM, LQE, OPE | 2017-09-01 11:30 |
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 pp.59-64 |
|
| MW | 2017-05-19 13:50 |
Osaka | Osaka Univ. (Seminar Room1, Osaka Univ. Kaikan) | Ku-band Vector-Sum Phase Shifter Using LC-Type PPF With Adjustable Operating Frequency Takanobu Fujiwara, Koji Tsutsumi, Mitsuhiro Shimozawa (Mitsubishi Electric Corp.) MW2017-20 |
Recently many vector-sum phase shifters designed with cost-effective silicon process have been reported, featuring their... [more] | MW2017-20 pp.71-76 |
| CAS, ICTSSL | 2017-01-26 14:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Stepped Impedance Resonator Based Tunable Combline Bandpass Filter with Wide Tuning Range of Center Frequency by Single DC Power Supply Rei Abe, Kyota Otsuka, Satoshi Ono, Koji Wada (UEC) CAS2016-88 ICTSSL2016-42 |
This paper proposes a tunable combline type of bandpass filter (BPF) using stepped impedance resonator(SIR) with wide tu... [more] | CAS2016-88 ICTSSL2016-42 pp.57-60 |
| CAS, ICTSSL | 2017-01-26 14:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Frequency tunable BPF using high frequency switch and varactor diode-loaded resonators with attenuation poles and varactor diode loaded m type admittance inverters Soichi Tsuji, Satoshi Ono, Koji Wada (UEC) CAS2016-89 ICTSSL2016-43 |
In this study, a frequency controllable band pass filter (BPF) with wide variable range of the center frequency is compo... [more] | CAS2016-89 ICTSSL2016-43 pp.61-64 |
| MW | 2016-12-16 13:50 |
Kanagawa | National Defense Academy | Study of superconducting tunable dual-band bandpass filter with independently controllable center frequencies Takahiro Unno, Naoto Sekiya (Yamanashi Univ.) MW2016-163 |
We have developed a tunable dual-band bandpass filter (DBPF) with independently controllable center frequencies by diele... [more] | MW2016-163 pp.177-181 |
| OPE | 2016-12-08 16:35 |
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 pp.23-28 |
|
| MW | 2016-11-18 10:55 |
Saga | Saga Univ. | A Compact Tunable Bandpass Filter Using a Triple-mode Resonater Consisting of Lumped Elements and Varactor Diodes Kyota Otsuka, Satoshi Ono, Koji Wada (UEC) MW2016-127 |
This paper proposes the simplified design method of a triple-mode resonator consisting of lumped elements. The resonant ... [more] | MW2016-127 pp.63-68 |
| OPE, MW, EMT, MWP, EST, IEE-EMT [detail] | 2016-07-21 17:05 |
Hokkaido | EMT2016-17 MW2016-48 OPE2016-29 EST2016-18 MWP2016-19 |
In recent years, traffic demand for mobile communications continues to increase, which causes the necessity of developin... [more] | EMT2016-17 MW2016-48 OPE2016-29 EST2016-18 MWP2016-19 pp.67-70 |
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| SCE | 2016-04-20 16:10 |
Tokyo | High Speed Tunable Superconducting Filter Hiroaki Ikeuchi, Tamio Kawaguchi, Noritsugu Shiokawa, Junya Tanaka, Rie Katsuki, Hiroshi Takahashi, Hiroyuki Kayano (Toshiba) SCE2016-8 |
We propose a high speed tunable superconducting filter with a new dielectric drive mechanism. The bandpass filter is use... [more] | SCE2016-8 pp.43-48 |
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| OPE, OME | 2015-11-26 15:50 |
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 pp.19-24 |
| MW | 2015-06-25 13:15 |
Kanagawa | Institute of Industrial Promotion Kawasaki | Study of Phase Shifter using Dielectric Driving Tunable Filter Hiroaki Ikeuchi, Tamio Kawaguchi, Noritsugu Shiokawa, Junya Tanaka, Rie Katsuki, Hiroshi Takahashi, Hiroyuki Kayano (Toshiba) MW2015-38 |
We have report about phase shifter using dielectric driving tunable filter. In the passband of the bandpass filter, the ... [more] | MW2015-38 pp.1-6 |
| LQE, OPE | 2015-06-19 09:55 |
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 pp.1-4 |
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