Phase-locked optical homodyne receiver

Details Phase-locked optical homodyne receiver Phase-locked optical homodyne receiver

1975-04-02

1976-02-17

Griffin, Robert L.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

325329, 325330, 325421, 325444, 329 50, 329144, 331 23, H03D 124, H04B 130, H04B 900

Patent

active

039393410

ABSTRACT:
An improved homodyne receiver for use in wideband optical communications systems is disclosed. The invention provides phase-locked homodyne reception of non-suppressed carrier or suppressed carrier input signals. Novel means are provided in the receiver for generating an error signal to provide phase-locked operation in the presence of noise and frequency excursions of the received signal.

REFERENCES:
patent: 3083299 (1963-03-01), Cruse
patent: 3147441 (1964-09-01), Adler
patent: 3258597 (1966-06-01), Forrester
patent: 3328583 (1967-06-01), Davison
patent: 3329900 (1967-07-01), Graves
patent: 3519740 (1970-07-01), Glassman
patent: 3571597 (1971-03-01), Wood et al.
patent: 3573463 (1971-04-01), Goodwin et al.

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