Coherent light generators – Particular active media – Semiconductor
Patent
1983-03-08
1985-01-15
Davie, James W.
Coherent light generators
Particular active media
Semiconductor
357 17, 372 45, 372 46, H01S 319
Patent
active
RE0318060
ABSTRACT:
A monolithic laser device produces a plurality of spatially displaced emitting cavities in an active layer of a semiconductor body acting as a waveguide for light wave propagation under lasing conditions. Various means are disclosed to deflect and directly couple a portion of the optical wave propagation into one or more different spatially displaced emitting cavities to improve coherence and reduce beam divergence.
REFERENCES:
patent: 3340479 (1967-09-01), Ashkin
patent: 3436679 (1969-04-01), Fenner
patent: 3514715 (1970-05-01), Kosonocky
patent: 3534290 (1970-10-01), Fenner
patent: 3701044 (1972-10-01), Paoli et al.
patent: 3702975 (1972-11-01), Miller
patent: 4159452 (1979-06-01), Logan et al.
Pankove, "Integrated Phase Coherent Laser Array", RCA Technical Notes, RCATN No. 760 Apr. 1968, (2 pages).
Brunham Robert D.
Scifres Donald R.
Streifer William
Carothers, Jr. W. Douglas
Davie James W.
Xerox Corporation
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