Self-heterodyne optical fiber communications system

Details Self-heterodyne optical fiber communications system Self-heterodyne optical fiber communications system

1992-12-03

1994-10-11

Lee, John D.

Coherent light generators

Particular beam control device

Modulation

359156, 359173, 359182, 372 23, 385 24, H01S 310

Patent

active

053553810

ABSTRACT:
An apparatus and method are disclosed for use in an antenna remoting system. The apparatus comprises a single source of laser light having an output characterized by two distinct polarizations and at least two closely separated frequencies, and a fiber optic communications link joined to the source and having a modulator therein which is driven by a radio frequency information signal such that said modulator produces a beat frequency output which is a function of the sum of the two closely separated frequencies.

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patent: 4726011 (1988-02-01), Ih et al.
patent: 4817206 (1989-03-01), Calvani et al.
patent: 4973169 (1990-11-01), Slonecker
patent: 5091912 (1992-02-01), Bretenaker et al.
patent: 5091913 (1992-02-01), Zhang et al.
patent: 5222089 (1993-06-01), Huber

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