VCSELs (vertical-cavity surface emitting lasers) and VCSEL-based

Details VCSELs (vertical-cavity surface emitting lasers) and VCSEL-based VCSELs (vertical-cavity surface emitting lasers) and VCSEL-based

1998-02-02

2000-11-28

Healy, Brian

Coherent light generators

Particular resonant cavity

Distributed feedback

372 43, 372 45, 372 50, 372106, 359115, 359124, 359156, 359122, H01S 308, H04J 1406

Patent

active

061544795

ABSTRACT:
In order to control the polarization direction of laser light emitted by a vertical cavity surface emitting laser (VCSEL), the cross-sectional dimension of the p-DBR is so limited as to permit only a single fundamental transverse mode in a waveguide composed by the p-DBR. Some VCSEL-based devices are developed using arrays of VCSELs in which each VCSEL has a controlled direction of polarization.

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