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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 238  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MW 2024-03-01
11:20
Okayama Okayama Prefectural University
(Primary: On-site, Secondary: Online)
A Study on Dispersion Characteristics for a nonreciprocal CRLH-TL consisting of an Even Number of Unit Cells
Tomohiro Maruyama, Nozomu Fujikawa, Koichiro Sakaguchi, Mitsuyoshi Kishihara, Kensuke Okubo (Okayama Pref Univ) MW2023-191
Circuit analysis of our proposing nonreciprocal CRLH-TL consisting of an even number of unit cells are performed. Althou... [more] MW2023-191
pp.84-88
ED, MWPTHz 2023-12-21
17:35
Miyagi RIEC, Tohoku Univ.
(Primary: On-site, Secondary: Online)
Characterization of high-speed wavelength switching of wavelength tunable laser and its applicability to optical switches
Ryo Matsumoto, Naoto Masutomi, Ryota Kaide, Yuya Mikami (Kyushu Univ.), Yuta Ueda (NTT), Kazutoshi Kato (Kyushu Univ.) ED2023-58 MWPTHz2023-68
With the rapid increase in communication traffic in recent years, high-speed optical switches are required for optical c... [more] ED2023-58 MWPTHz2023-68
pp.25-28
AP 2023-10-19
10:00
Iwate Iwate University
(Primary: On-site, Secondary: Online)
[Poster Presentation] A consideration on a frequency-tunable double-layered dual-band miniaturized planar antenna fed by an L-probe with varactor diodes and shorted radiation elements
Taiki Yamaguchi, Yuichi Kimura (Saitama Univ.) AP2023-89
This paper presents a frequency-tunable double-layered dual-band miniaturized microstrip antenna (MSA) fed by an L-probe... [more] AP2023-89
pp.9-14
MW, AP
(Joint)
2023-09-29
15:50
Kochi Kochi Castle Museum of History
(Primary: On-site, Secondary: Online)
A consideration on a varactor-loaded miniaturized dual-band frequency-tunable planar antenna fed by an L-probe with a shorted and slitted patch
Ren Watanabe, Sakuyoshi Saito, Yuichi Kimura (Saitama Univ.) AP2023-86
This paper presents a varactor-loaded miniaturized dual-band frequency-tunable planar antenna fed by an L-probe. The pro... [more] AP2023-86
pp.42-47
LQE, OPE, CPM, EMD, R 2023-08-24
13:45
Miyagi Tohoku university
(Primary: On-site, Secondary: Online)
[Invited Talk] High-performance light sources and optical integrated devices
Hiroyuki Ishii (Furukawa Electric Co., Ltd.) R2023-19 EMD2023-14 CPM2023-24 OPE2023-63 LQE2023-10
Trends in the development of light source devices for optical communications and optical integrated devices for high per... [more] R2023-19 EMD2023-14 CPM2023-24 OPE2023-63 LQE2023-10
pp.7-10
LQE, OPE, CPM, EMD, R 2023-08-25
09:50
Miyagi Tohoku university
(Primary: On-site, Secondary: Online)
[Invited Talk] Progress and Future Prospect of Photonic Integrated Devices using InP Chip/SOI Wafer Bonding Technique
Hideki Yagi (PETRA), Nobuhiko Nishiyama (Tokyo Tech), Naoki Fujiwara, Masaki Yanagisawa (PETRA) R2023-28 EMD2023-23 CPM2023-33 OPE2023-72 LQE2023-19
The development of beyond fifth-generation (5G) and sixth-generation (6G) mobile communication systems is accelerating t... [more] R2023-28 EMD2023-23 CPM2023-33 OPE2023-72 LQE2023-19
pp.59-62
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
RCS, AP, UWT
(Joint)
2022-11-15
14:05
Fukuoka Kyushu University, and Online
(Primary: On-site, Secondary: Online)
Design of a triple-band varactor-loaded single-layer miniaturized microstrip antenna fed by an L-probe with straight shorted elements
Ibuki Asahina, Sakuyoshi Saito, Yuichi Kimura (Saitama Univ.) AP2022-152
This paper presents a triple-band varactor-loaded single-layer miniaturized multi-ring microstrip antenna (MR-MSA) with ... [more] AP2022-152
pp.29-34
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
AP, RCS
(Joint)
2021-11-10
14:55
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
A consideration on improvement of cross polarization of a varactor-loaded dual-band miniaturized planar antenna fed by an L-probe with straight shorted elements
Ibuki Asahina, Sakuyoshi Saito, Yuichi Kimura (Saitama Univ.) AP2021-104
This paper presents a varactor-loaded dual-band miniaturized multi-ring microstrip antenna (MR-MSA) with straight shorte... [more] AP2021-104
pp.22-27
AP 2021-10-07
13:00
Online Online [Poster Presentation] A consideration on a varactor-loaded dual-band multi-ring microstrip antenna fed by an L-probe with straight shorted elements
Ibuki Asahina, Shohei Honda, Sakuyoshi Saito, Yuichi Kimura (Saitama Univ.) AP2021-74
This paper presents a varactor-loaded dual-band multi-ring microstrip antenna fed by an L-probe with straight shorted el... [more] AP2021-74
pp.28-32
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
OPE, OCS, LQE 2020-10-23
15:05
Online Online [Invited Talk] Widely tunable MEMS based high speed swept VCSEL source operating over a wide temperature for SS-OCT
Mohammed Saad Khan, Changdae Keum (Santec Corporation), Nobuhiko Nishiyama (Tokyo Institute of Technology) OCS2020-18 OPE2020-41 LQE2020-21
We present a Micro Electro Mechanically Systems (MEMS) based tunable Vertical Cavity Surface Emitting Laser (VCSEL) for ... [more] OCS2020-18 OPE2020-41 LQE2020-21
pp.54-56
PN 2020-04-24
13:05
Online Online [Invited Talk] Wavelength tunable laser diode for optical communications
Hiroyuki Ishii, Tatsuro Kurobe (Furukawa Electric Co.) PN2020-1
As a digital coherent optical communications system was developing, the performances such as the spectral linewidth, and... [more] PN2020-1
pp.1-5
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
AP 2019-10-17
12:30
Osaka Osaka Univ. [Poster Presentation] A consideration on varactor-loaded frequency-tunable dual-band shorted multi-ring microstrip antennas fed by an L-probe with reduced patch area in half
Shohei Honda, Sakuyoshi Saito, Yuichi Kimura (Saitama Univ.) AP2019-88
This paper presents varactor-loaded dual-band single-layer shorted multi-ring microstrip antennas with reduced patch are... [more] AP2019-88
pp.43-48
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, OPE, CPM, EMD, R 2019-08-22
13:45
Miyagi   [Invited Talk] Development of wavelength tunable laser for optical communications
Hiroyuki Ishii (Furukawa Electric Co.) R2019-21 EMD2019-19 CPM2019-20 OPE2019-48 LQE2019-26
As a digital coherent optical communications system was developing, the performances such as the spectral linewidth, and... [more] R2019-21 EMD2019-19 CPM2019-20 OPE2019-48 LQE2019-26
pp.11-14
MW, EST, OPE, MWP, EMT, IEE-EMT, THz [detail] 2019-07-18
14:45
Hokkaido Hakodate City Central Library Study on distribution and selection circuit of radio signal between multiple antennas and multiple receivers applying RoF technology
Tomohiro Akiyama, Junya Nishioka, Akihiro Fujie, Toshiyuki Ando (Mitsubishi Electric Corp.) EMT2019-27 MW2019-40 OPE2019-31 EST2019-29 MWP2019-27
In order to make effective use of radio waves, it is necessary to observe the radio wave environment and detect illegal ... [more] EMT2019-27 MW2019-40 OPE2019-31 EST2019-29 MWP2019-27
pp.121-126
 Results 1 - 20 of 238  /  [Next]  
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