Phase array oxide-confined VCSELs

Details Phase array oxide-confined VCSELs Phase array oxide-confined VCSELs

2007-08-14

2007-08-14

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

C372S046014

Reexamination Certificate

active

10625811

ABSTRACT:
A phase array of oxide confined VCSELs and a method for forming the phase array of oxide confined VCSELs is described. VCSELs in the array are designed to be simultaneously addressed such that the output of multiple VCSELs can be used to increase the light intensity at a point. In applications where beam coherence from the VCSEL array is desirable, high gain coupling regions break the continuity of the oxide wall surrounding each VCSEL aperture. The high gain coupling regions connect adjacent VCSELs in the VCSEL array thereby allowing mode coupling between adjacent lasers and the output of a coherent beam of light.

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