Cable system incorporating highly linear optical modulator

Details Cable system incorporating highly linear optical modulator Cable system incorporating highly linear optical modulator

1989-10-27

1991-07-09

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

340 9615, 370 3, 455617, H04B 1012

Patent

active

050312359

ABSTRACT:
A system incorporating a pair of Mach-Zehnder modulators (164,166) for performing amplitude modulation of an optical carrier is disclosed. Each of the modulators is designed to suppress even order distortion products and develop third order distortion products of opposite sign and equal magnitude. The outputs of the two modulators are combined in a directional coupler (155) resulting in substantially suppressing second through fourth order distortion products.

REFERENCES:
patent: 4860279 (1989-08-01), Falk
patent: 4893300 (1990-01-01), Carlin

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