Method for transmission and receipt of coherent light signals

Details Method for transmission and receipt of coherent light signals Method for transmission and receipt of coherent light signals

1991-12-06

1994-04-05

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359114, 359173, 359191, H04J 1402

Patent

active

053010531

ABSTRACT:
Each subscriber is provided with an optical heterodyne detection circuit. An oscillation light of an optical local oscillator is divided to a local oscillation light for the heterodyne detection and a transmitting light for data communication. A channel for those lights is selected from vacant communication channels. The transmitting light may be obtained from a transmission light oscillator which is controlled by a control unit common to the optical local oscillator.

REFERENCES:
patent: 5121241 (1992-06-01), Veith

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