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Inventor:
Kuwahara; Shoichiro
Address:
Yokosuka, JP
No. of patents:
5
Patents:












Patent Number Title Of Patent Date Issued
8005374 Optical transmission system, optical transmitter for optical transmission system, and optical re August 23, 2011
An optical transmission system is provided in which the optimum operating point of a Mach-Zehnder interferometer, matched to the optical frequency of the light source on the transmitting side, can be set. The optical receiver (2) has an infinitesimal-modulated signal component detection
7995930 Optical receiver using Mach-Zehnder interferometer August 9, 2011
The present invention relates to an optical receiver, in which the transmittance of a Mach-Zehnder interferometer can be locked at a normal operation point in a simple structure and control. A transmittance detecting circuit and a minute modulation signal detecting circuit are provid
7734194 Optical transmission system, optical transmitter for optical transmission system, and optical re June 8, 2010
An optical transmission system is provided in which the optimum operating point of a Mach-Zehnder interferometer, matched to the optical frequency of the light source on the transmitting side, can be set. The optical receiver (2) has an infinitesimal-modulated signal component detection
7536108 High precision chromatic dispersion measuring method and automatic dispersion compensating optic May 19, 2009
The present invention relates to an automatic dispersion compensating optical link system. Carrier suppressed RZ encoded optical signals generated using carrier suppressing means and binary NRZ code or partial response code, or carrier suppressed clock signals generated using carrier
7116917 Optical transmitter and optical transmission system October 3, 2006
The present invention suppresses to a minimum the degradation of the transmission quality caused by chromatic dispersion characteristic of an optical transmission medium, and the interplay between the chromatic dispersion and non-linear optical effects in dense WDM transport systems.










 
 
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