Index guided semiconductor laser device

Details Index guided semiconductor laser device Index guided semiconductor laser device

1988-04-13

1989-08-01

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 48, H01S 319

Patent

active

048539368

ABSTRACT:
An index guided semiconductor laser device comprising a striped optical waveguide in the active layer, at least a part of the wavegide having continuous indentations at the interface between the waveguide and the outside of the waveguide, whereby only laser light of a high-order transverse mode is radiated from the waveguide to the outside of the waveguide and only laser light of the fundamental transverse mode is propagated within the waveguide.

REFERENCES:
patent: 4251780 (1981-02-01), Seifres et al.
patent: 4257011 (1981-03-01), Nakamura et al.
patent: 4592062 (1986-05-01), Yamamoto et al.

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