Optical transmitter, optical communication system and optical co

Details Optical transmitter, optical communication system and optical co Optical transmitter, optical communication system and optical co

1996-12-10

1999-05-04

Mullen, Thomas

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359187, 359188, H04B 1004

Patent

active

059009594

ABSTRACT:
An optical transmitter comprises a first unit for generating an optical signal having a bandwidth given by a main signal, a second unit modulating the optical signal according to a control signal to extend the bandwidth of the optical signal, a third unit extracting backward light including SBS(stimulated Brillouin scattering) light generated in an optical fiber transmission line, and a fourth unit performing feedback control so that the power of the SBS light becomes substantially constant. Through the structure of the optical transmitter good transmission characteristics of a main signal are obtained and the suppression of the SBS is allowed.

REFERENCES:
patent: 4560246 (1985-12-01), Cotter
patent: 5315426 (1994-05-01), Aoki
patent: 5329396 (1994-07-01), Fishman et al.
patent: 5442473 (1995-08-01), Biotteau
JP Patent Abstract No. 4-188686, (Jul. 7, 1992).

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