High power, single-frequency tunable laser

Details High power, single-frequency tunable laser High power, single-frequency tunable laser

1993-10-13

1995-02-14

Epps, Georgia Y.

Coherent light generators

Particular beam control device

Tuning

372 50, 372 32, 385 46, H01S 310

Patent

active

053902009

ABSTRACT:
A monolithically integrated laser which is rapidly tunable over a wide optical frequency range comprises a frequency router formed in a semiconductive wafer defining a tuned cavity. A control circuit applies electrical energy to predetermined controllably transmissive waveguides connecting the frequency routing device with reflective elements defined in the wafer. This tunes the laser to a desired one of a plurality of optical frequencies. Application of such electrical energy creates frequency selective pathways through the wafer able to support selected lasing frequencies. Additional optical amplifiers are formed in the frequency router to create lasing action in a preselected pathway. This laser is economical to construct and is useful in high capacity, high speed optical communications networks.

REFERENCES:
patent: 5002350 (1991-03-01), Dragone
patent: 5136671 (1992-08-01), Dragone
patent: 5267257 (1993-11-01), Saruwatari et al.

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