| 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. |
