Light power adjusting method, optical transmitter, and...

Details Light power adjusting method, optical transmitter, and... Light power adjusting method, optical transmitter, and...

2008-01-29

2008-01-29

Nguyen, Tu T (Department: 2886)

Optics: measuring and testing

For optical fiber or waveguide inspection

Reexamination Certificate

active

11277559

ABSTRACT:
The present invention provides provide a light power adjusting method, an optical transmitter, and an optical receiver suitable for ensuring high data transmission quality by preventing the rapid increase in SBS which occurs when the light power exceeds a predetermined value.The incident light power with which the SBS-induced backward propagating light included in the reflected light returned from the optical transmission line rapidly increases, i.e., the light power threshold is calculated.By setting the power of the light incident on the optical transmission line at a value equal to or smaller than the thus calculated light power threshold, the rapid increase in the SBS-induced backward propagating light, which is a nonlinear phenomenon of the optical fiber, is prevented.

REFERENCES:
patent: 5767956 (1998-06-01), Yoshida
patent: 6599039 (2003-07-01), Nakazato
patent: 6839516 (2005-01-01), Lee et al.
“Patent Abstracts of Japan,” Japanese Patent Publication No. 10-200483, Publication Date: Jul. 31, 1998, Inventor: Sato Hideaki. (Abstract Only).

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