Optically amplified transmission systems

Details Optically amplified transmission systems Optically amplified transmission systems

1997-05-15

2000-05-30

Negash, Kinfe-Michael

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359161, 359173, H04B 1000

Patent

active

RE036715&

ABSTRACT:
In an optically amplified transmission system including a concatenation of optical amplifiers in the transmission path between an optical transmitter and a non-coherent receiver, the transmitter includes, in addition to a modulator for impressing data modulation, a polarisation state modulator for improving the signal-to-noise ratio at the detector.

REFERENCES:
patent: 4947134 (1990-08-01), Olsson
patent: 4965857 (1990-10-01), Auracher et al.
patent: 5023949 (1991-06-01), Auracher et al.
patent: 5227908 (1993-07-01), Henmi
patent: 5295013 (1994-03-01), Ono
Olsson, "Lightwave Systems With Optical Amplifiers", Journal of Lightwave Technology, vol. 7, No. 7. pp. 1071-1082, Jul. 1989.

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