Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Hiromasa Tanobe"'
Autor:
Takuma Tsurugaya, Tai Tsuchizawa, Takuro Fujii, Hiromasa Tanobe, Shigeru Kanazawa, Shinji Matsuo, Suguru Yamaoka, Koji Takeda, Nikolaos-Panteleimon Diamantopoulos, Hidetaka Nishi, Ryo Nakao, Fumio Koyama, Takaaki Kakitsuka, Tatsurou Hiraki
Publikováno v:
Nature Photonics. 15(Issue 1):28-35
Increasing the modulation speed of semiconductor lasers has attracted much attention from the viewpoint of both physics and the applications of lasers. Here we propose a membrane distributed reflector laser on a low-refractive-index and high-thermal-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0b6d0a37b3a6a25bfbbee91257eb26ff
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100875506
http://t2r2.star.titech.ac.jp/cgi-bin/publicationinfo.cgi?q_publication_content_number=CTT100875506
Autor:
Hiroshi Yamazaki, Josuke Ozaki, M. Ishikawa, Yoshihiro Ogiso, Hiromasa Tanobe, Yasuaki Hashizume, Munehiko Nagatani, Teruo Jyo, Yuta Ueda, Shigeru Kanazawa
Publikováno v:
Journal of Lightwave Technology. 38:5086-5091
For 64-Gbaud operation and beyond, we developed a power efficient high-bandwidth coherent driver modulator composed of a linear four-channel ultra-low power CMOS driver IC and an InP-based dual-polarization IQ modulator. The CMOS driver was fabricate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::280cf9241c09063c9511f9d4964a4ebd
https://doi.org/10.1109/jlt.2020.2998466
https://doi.org/10.1109/jlt.2020.2998466
Autor:
M. Ishikawa, Hiroshi Yamazaki, Takayuki Kobayashi, Josuke Ozaki, Yoshihiro Ogiso, Nobuhiro Nunoya, Yutaka Miyamoto, Yasuaki Hashizume, Munehiko Nagatani, Masanori Nakamura, Yuta Ueda, Minoru Ida, Hitoshi Wakita, Hiromasa Tanobe, Shigeru Kanazawa
Publikováno v:
Journal of Lightwave Technology. 38:249-255
We report a promising IQ optical modulator for beyond 100-GBd transmitter. By introducing both a new n-i-p-n heterostructure and an optimized capacitance-loaded traveling-wave electrode (CL-TWE), high-frequency electrical losses of the modulator can
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::73ec606340235c50d04865e0a6ae219d
https://doi.org/10.1109/jlt.2019.2924671
https://doi.org/10.1109/jlt.2019.2924671
Autor:
Kota Shikama, Norio Sato, Ryo Nagase, Yoshiyuki Doi, Hiromasa Tanobe, Satoshi Tsunashima, Yuzo Ishii
Publikováno v:
Optical Fiber Communication Conference (OFC) 2022.
An ultra-compact multi-fiber connector features a novel magnetic attraction structure for high-density on-board connector. The fabricated connectors show low-insertion losses comparable to those of conventional MPO connectors while achieving space-sa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5bd984c1c97376cbc06262e490501a57
https://doi.org/10.1364/ofc.2022.w1e.4
https://doi.org/10.1364/ofc.2022.w1e.4
Autor:
Tai Tsuchizawa, Hidetaka Nishi, Takaaki Kakitsuka, Shinji Matsuo, Takuro Fujii, Suguru Yamaoka, Shigeru Kanazawa, Takuma Tsurugaya, Fumio Koyama, Tatsurou Hiraki, Koji Takeda, Nikolaos-Panteleimon Diamantopoulos, Hiromasa Tanobe
Publikováno v:
2021 27th International Semiconductor Laser Conference (ISLC).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ae1306b5e4431e1149a42021f064586
https://doi.org/10.1109/islc51662.2021.9615674
https://doi.org/10.1109/islc51662.2021.9615674
Publikováno v:
Electronics Letters. 56:893-895
This Letter presents a novel RF ground lead structure for surface-mount-type optical modules that enables RF crosstalk reduction and bandwidth enhancements. Conventional RF lead-pins of a surface-mount-type optical module have a bent shape that affec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93d7f389fa3a5250da2f3220da474335
https://doi.org/10.1049/el.2020.1318
https://doi.org/10.1049/el.2020.1318
Autor:
Yoshihiro Ogiso, Takahiko Shindo, Johsuke Ozaki, Wataru Kobayashi, Hiromasa Tanobe, Hiroshi Yamazaki, Shigeru Kanazawa, Satoshi Tsunashima, Yuta Ueda, Atsushi Araratake
Publikováno v:
IEICE Transactions on Electronics. :340-346
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b11f50e6b1400b54fe0db4e552051d9
https://doi.org/10.1587/transele.2018odi0001
https://doi.org/10.1587/transele.2018odi0001
Autor:
Hiroshi Yamazaki, Hidetaka Nishi, Koji Takeda, Nikolaos-Panteleimon Diamantopoulos, Hiromasa Tanobe, Yutaka Miyamoto, Minoru Ida, Hitoshi Wakita, Takuro Fujii, Shinji Matsuo, Munehiko Nagatani, Suguru Yamaoka, Ryo Nakao, Takaaki Kakitsuka, Fumio Koyama, Hideyuki Nosaka
Publikováno v:
OFC
Record DML-based 325-Gb/s (BTB) and 321.24-Gb/s (2-km SSMF) transmissions are demonstrated based on a >100-GHz bandwidth membrane DML-on-SiC, by utilizing a digitally- preprocessed analog multiplexer and adaptive entropy-loaded DMT modulation, surpas
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::485d66bed501b407f8f0ced330d100dc
https://doi.org/10.1364/ofc.2020.th4c.1
https://doi.org/10.1364/ofc.2020.th4c.1
Autor:
Nobuhiro Nunoya, Shigeru Kanazawa, Yasuaki Hashizume, Yoshihiro Ogiso, Josuke Ozaki, Hiromasa Tanobe, Yuta Ueda, M. Ishikawa
Publikováno v:
Electronics Letters. 55:951-953
The authors obtained very good back-to-back bit error rate performance in up to 80 Gbaud DP-16QAM operation by using their coherent driver modulator of a 3-dB electro-optic bandwidth of over 50 GHz. To achieve high bandwidth and good signal integrity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f30c819973f998049465ee0de5672b0
https://doi.org/10.1049/el.2019.1439
https://doi.org/10.1049/el.2019.1439
Autor:
Hiroshi Yamazaki, Yoshitaka Ohiso, Eiichi Yamada, Shigeru Kanazawa, Takuro Fujii, Norihide Kashio, Yuta Ueda, Yoshihiro Ogiso, Josuke Ozaki, Nobuhiro Kikuchi, Hiromasa Tanobe, Masaki Kohtoku
Publikováno v:
Journal of Lightwave Technology. 35:1450-1455
We report novel high-bandwidth InP-based Mach–Zehnder modulator and in-phase/quadrature (IQ) modulators that we realized by combining an n-i-p-n heterostructure and a capacitively loaded traveling wave electrode. The extremely low electrical and op
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e04f775ba6aaf445201610c0ad84973
https://doi.org/10.1109/jlt.2016.2639542
https://doi.org/10.1109/jlt.2016.2639542