Frequency modulation coherent optical communications system with

Details Frequency modulation coherent optical communications system with Frequency modulation coherent optical communications system with

1992-05-15

1994-07-12

Chilcot, Jr., Richard E.

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359182, 359181, 359192, H04B 1000, H04B 1004

Patent

active

053293940

ABSTRACT:
A coherent optical communications system with continuous polarization scrambling, wherein such scrambling is obtained by combining orthogonally polarized radiations at different frequencies emitted by two independent sources. The two sources may be employed to build the transmitted or the local oscillator of the system.

REFERENCES:
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patent: 5023949 (1991-06-01), Auracher et al.
patent: 5031236 (1991-07-01), Hodgkinson et al.
patent: 5107358 (1992-04-01), Hodgkinson
W. K. Burns et al., Depolarised Source for Fiber-Optic Applications, paper presented at OFC '91, San Diego, Calif., Feb. 18-22, 1991.
A. D. Kersey et al., New Polarisation-Insensitive Detection Technique for Coherent Optical Fibre heterodyne Communications Electronics Letters, vol. 23, No. 18, Aug. 27, 1987.
T. Hideaki et al.; Appl. No. JP870056503; Abstract vol. 013018; Method and Device for Polarization Diversity Optical Reception Electronics Letters; vol. 25, No. 8; Apr. 13, 1989; Novel Polarisation-Frequency Conversion-Type Polarisation Diversity Optical Receiver.

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