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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Miyamoto; Yutaka
Address:
Tokyo, JP
No. of patents:
4
Patents:












Patent Number Title Of Patent Date Issued
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
7920793 Inline repeater and optical fiber communication system April 5, 2011
An inline repeater that uses a forward-pumped DRA that can use a pumping light source such as an FBG pumping light source and a fiber laser, which are the most commonly used, and an optical fiber communication system are realized. The optical fiber communication system comprises silica f
7715717 Processes and devices for the determination of a PMD-induced outage probability of an optical tr May 11, 2010
The present invention proposes a method whereby during a specified/specifiable observation period (T.sub.total) , the polarization states of optical transmission system and/or the optical signals transmitted by the optical transmission system are changed by applying a targeted interv
6559996 Optical transmission system May 6, 2003
The present invention relates to an optical transmission system which reduces optical signal bandwidth with return-to-zero (RZ) signal.










 
 
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