Zobrazeno 1 - 10 of 124 pro vyhledávání: '"Shigeyuki Seikai"'
2
A Study on 10-GHz Clock Signal Extraction from 160-Gbit/s RZ Optical Signals
Autor: Ikuo Yamashita, Shigeyuki Seikai, Kyoichi Oro, Masaji Inokuchi
Publikováno v: IEEJ Transactions on Electronics, Information and Systems. 125:1608-1613
A 10-GHz clock signal is successfully extracted from a 160-Gbit/s optical RZ signal using devices operable up to 40 GHz. The down-conversion of the 160-Gbit/s input signal into 40 Gbit/s signal is performed by modulating the input optical signal by a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a61f5c37a9f5439c8c7df5fa9d2564b1
https://doi.org/10.1541/ieejeiss.125.1608
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3
Development of Air-Hole Type Double-Clad Fiber Lasers
Autor: Shigeyuki Seikai, Hisashi Sawada, J. Maeda, Ikuo Yamashita, Daisuke Kanaya, Moriyuki Fujita
Publikováno v: IEEJ Transactions on Electronics, Information and Systems. 125:255-259
Transversal single mode fiber laser at 1116nm constructed by both a high optical output diode laser and an air-hole type double-clad fiber has been developed for the 1310nm Raman amplification. The special edge filters without substrates make possibl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b15ca594ef42459509271ef39377781d
https://doi.org/10.1541/ieejeiss.125.255
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6
A proposal of a WDM transmission system using three wavelength bands of 1.3, 1.47, and 1.55?m employing optical amplifers
Autor: Shigeyuki Seikai, Ikuo Yamashita, Shinnosuke Sawa
Publikováno v: Electrical Engineering in Japan. 135:43-51
A WDM transmission system using the wavelength bands of 1.3, 1.47, and 1.55 μm is proposed. Selection of these wavelengths makes it possible to use off-the-shelf optical couplers and to apply known types of amplifiers. Among three kinds of optical a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::413b19edb61f99536c502306eacfbe19
https://doi.org/10.1002/eej.6
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