Passivated vertical cavity surface emitting laser

Details Passivated vertical cavity surface emitting laser Passivated vertical cavity surface emitting laser

1996-07-17

1998-02-17

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 96, H01S 319

Patent

active

057198934

ABSTRACT:
A passivated vertical cavity surface emitting laser including a first stack of distributed Bragg reflectors disposed on the surface of a semiconductor substrate, a first cladding region disposed on the first stack, an active region disposed on the first cladding region, a second cladding region disposed on the active region, and a second stack of distributed Bragg reflectors disposed on the second cladding region. A passivation layer having an optical thickness of an integral multiple of approximately one half of the wavelength of emitted light is disposed on the vertical cavity surface emitting laser.

REFERENCES:
patent: 4178564 (1979-12-01), Ladany et al.
patent: 5274655 (1993-12-01), Shieh

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