Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Yoshimichi Morita"'
Publikováno v:
OECC/PSC
A 53GBaud PAM4 operation of EML TOSA was demonstrated in the laser temperature range from 20°C to 70°C. For electrical input of 770 mVpp, TDECQ, extinction ratio and output power satisfied the 100G-LR4 specification.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aafa5aa5e9b575251cf9b6b204b1eacc
https://doi.org/10.23919/ps.2019.8818109
https://doi.org/10.23919/ps.2019.8818109
Autor:
Hiroshi Aruga, Toshiharu Miyahara, Takeshi Saito, Atsushi Sugitatsu, Yoshimichi Morita, Takeshi Yamatoya, Nobuo Ohata, Eitaro Ishimura
Publikováno v:
Journal of Lightwave Technology. 33:267-274
This paper presents a polarization-insensitive semiconductor optical amplifier Mach–Zehnder Interferometer (SOA-MZI) wavelength converter with a wide dynamic range. Direct detection of the wavelength-converted output signal power and feedback contr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8f1af34b1258959e386f04a36132422
https://doi.org/10.1109/jlt.2014.2371811
https://doi.org/10.1109/jlt.2014.2371811
Autor:
Masaya Shimono, Koichi Nakamura, Nobuyuki Yasui, Asami Uchiyama, Hiroshi Aruga, Takuro Shinada, Haruki Koyanagi, Yoshimichi Morita, Tadashi Murao, Hidekazu Kodera, Yudai Imai
Publikováno v:
IEEE Photonics Technology Letters. 26:2275-2278
A compact 28 Gb/s \(\times 4\) -lane transmitter optical subassembly is developed for 100Gb/s Ethernet (100 GbE)/OTU4 applications with a hybrid integrated spatial multiplexer optical system. The system simply comprises three bandpass filters and a m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dca7a996fd1f52f8209d5b6cd2020a4b
https://doi.org/10.1109/lpt.2014.2350971
https://doi.org/10.1109/lpt.2014.2350971
Autor:
Eitaro Ishimura, Takeshi Saito, Akihiro Shima, Toshitaka Aoyagi, Chikara Watatani, Yoshimichi Morita, Keisuke Matsumoto, Tohru Takiguchi, Mitsunobu Gotoda, Kazuhisa Takagi, Susumu Hatakenaka, Koichi Akiyama
Publikováno v:
Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2011.
A 40G RZ-DQPSK transmitter monolithically integrated with a tunable DFB laser array and Mach-Zehnder modulators was developed for the first time. The optical waveform of 40Gb/s DQPSK was successfully demonstrated.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7036c9d81f3e1ec410b38c7a877697fb
https://doi.org/10.1364/ofc.2011.omu3
https://doi.org/10.1364/ofc.2011.omu3
Autor:
Nobuo Ohata, Atsushi Sugitatsu, Hiroshi Aruga, Takeshi Yamatoya, Takeshi Saito, Eitaro Ishimura, Yoshimichi Morita
Publikováno v:
37th European Conference and Exposition on Optical Communications.
We experimentally demonstrated wide dynamic range wavelength conversion employing simple feedback control with monitor PD and gain control SOA. Wide dynamic range of 10 dB was achieved for 43 Gbps NRZ signal.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0798a38f58a795295192167d7001484f
https://doi.org/10.1364/ecoc.2011.we.10.p1.23
https://doi.org/10.1364/ecoc.2011.we.10.p1.23
Autor:
Takeshi Saito, Takeshi Yamatoya, Norio Okada, Yoshimichi Morita, Atsushi Sugitatsu, Toshitsugu Uesugi
Publikováno v:
Optical Fiber Communication Conference.
First 40 Gbps operation of a 1.3 μm EML TOSA employing a cost-effective flexible printed circuit as an electrical interface is demonstrated with the extinction ratio of 7.3 dB for serial 40 Gbps Ethernet solution.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f6b85599a5dd10ccef92bb0435662fb
https://doi.org/10.1364/ofc.2010.othc2
https://doi.org/10.1364/ofc.2010.othc2
Autor:
Nobuo Ohata, Takeshi Yamatoya, Takeshi Saito, Toshiharu Miyahara, Yoshimichi Morita, Eitaro Ishimura, Atsushi Sugitatsu, Hiroshi Aruga
Publikováno v:
Journal of Lightwave Technology; 1/1/2015, Vol. 33 Issue 1, p267-274, 8p