Optical communication system and method thereof

Details Optical communication system and method thereof Optical communication system and method thereof

2007-03-27

2007-03-27

Connelly-Cushwa, Michelle (Department: 2874)

Optical waveguides

With optical coupler

Particular coupling function

C359S337000

Reexamination Certificate

active

11048972

ABSTRACT:
The present invention discloses an art for eliminating the dependency of the optical modulator on the polarization degree by using an orthogonal mode light which is a mixture of two lights that are perpendicular to each other in polarization direction as a light source. An optical communication system of the present invention comprises: a first optical generator and a second optical generator for generating a first single mode light and a second single mode light, respectively, wherein the first single mode light and the second single mode light are orthogonal and non-interfering with each other, and have the same wavelength; a mixing means for mixing the first single mode light and the second single mode light to output an orthogonal mode light; and an optical modulator for amplifying and modulating the orthogonal mode light after receiving the orthogonal mode light through an optical fiber so as to produce a constantly amplified optical signal regardless of a deflection degree of the orthogonal mode light.

REFERENCES:
patent: 5729372 (1998-03-01), Terahara et al.
patent: 6522796 (2003-02-01), Ziari et al.
patent: 2002/0101650 (2002-08-01), King et al.
patent: 0 268 523 (1988-05-01), None
patent: 0 523 766 (1993-01-01), None
Buldawoo et al. “A Semiconductor Laser Amplifier-Reflector for the Future FTTH Applications” ECOC 97, Sep. 22-26, 1997, Conference Publication No. 448 (1997).

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