Rapidly tunable wideband integrated laser

Details Rapidly tunable wideband integrated laser Rapidly tunable wideband integrated laser

1993-02-19

1994-12-13

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Tuning

372 92, 372 6, 372102, 385 17, 385 37, H01S 310

Patent

active

053735161

ABSTRACT:
A monolithically integrated wideband laser which is rapidly tunable over a wide optical frequency range comprises two series connected frequency routers of different resolutions formed in a semiconductive wafer defining a tuned cavity. A control circuit applies electrical energy to predetermined controllably transmissive waveguides connecting the frequency routing devices 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 up to hundreds of selected lasing frequencies across the entire bandwidth of a semiconductive medium. This laser is economical to construct and is useful in high capacity, high speed optical communications networks.

REFERENCES:
patent: 5002349 (1991-03-01), Cheung et al.
patent: 5002350 (1991-03-01), Dragone
patent: 5009477 (1991-04-01), Alferness et al.
patent: 5136671 (1992-08-01), Dragone
patent: 5179605 (1993-01-01), Kaverhad et al.

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