Long wavelength vertical cavity surface emitting laser

Details Long wavelength vertical cavity surface emitting laser Long wavelength vertical cavity surface emitting laser

2005-08-16

2005-08-16

Thomas, Tom (Department: 2815)

Coherent light generators

Particular active media

Semiconductor

C372S044010, C372S068000, C372S103000

Reexamination Certificate

active

06931042

ABSTRACT:
Selectively oxidized vertical cavity lasers emitting near 1300 nm using InGaAsN quantum wells are reported for the first time which operate continuous wave below, at and above room temperature. The lasers employ two n-type Al0.94Ga0.06As/GaAs distributed Bragg reflectors each with a selectively oxidized current aperture adjacent to the active region, and the top output mirror contains a tunnel junction to inject holes into the active region. Continuous wave single mode lasing is observed up to 55° C.

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