Process for the transposition of an optical modulation of one wa

Details Process for the transposition of an optical modulation of one wa Process for the transposition of an optical modulation of one wa

1994-09-02

1996-07-23

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Modulation

372 38, 372 32, 372 23, H01S 310

Patent

active

055397603

ABSTRACT:
A process for the transposition of a modulation of an adjustable wavelength. A semiconductor amplifier is relooped through a feedback loop including a filter set to a first wavelength. An incident beam set at a second wavelength which is amplitude modulated is injected into the semiconductor amplifier laser. The incident beam is either extinguished or allows self-oscillation to be established in the loop. Thus, the modulation is transposed from the second wavelength to the first wavelength.

REFERENCES:
patent: 5020062 (1991-05-01), Cusack, Jr. et al.
patent: 5432629 (1995-07-01), Shikada et al.
Journal of Optical Communications, vol. 12, No. 2, 1991, pp. 64-68, Ph. Doare, "Optical Phase Modulation Behavior of an Injection-Locked Semiconductor Laser for an Optical Transmission System" 1991-Only Date Available.

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