Semiconductor laser arrays using leaky wave interarray coupling

Details Semiconductor laser arrays using leaky wave interarray coupling Semiconductor laser arrays using leaky wave interarray coupling

1990-10-29

1991-11-05

Epps, Georgia

Coherent light generators

Particular active media

Semiconductor

372 45, 372 46, 372 48, H01S 319

Patent

active

050635700

ABSTRACT:
A semiconductor laser array of antiguides having a large number of antiguide elements to provide relatively high optical power output with a high degree of coherence and array mode discrimination. The antiguide elements are grouped into array cells that are separated by interarray regions having a width and refractive index selected to produce a resonance condition in the 0.degree.-phase-shift array mode. Each array cell is also designed to operate in the resonant condition, and losses in the interarray regions discriminate against modes other than the 0.degree.-phase-shift mode. The entire group of cells operates as a high-power, coherent ensemble, without the degradation of mode discrimination and beam quality usually associated with large numbers of waveguide elements.

REFERENCES:
patent: 4764935 (1988-08-01), Wilcox et al.
patent: 4831630 (1989-05-01), Scifres et al.
patent: 4860298 (1989-08-01), Botez et al.
patent: 4868839 (1989-09-01), Simmons et al.
patent: 4903274 (1990-02-01), Taneya et al.

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