Laser resonators comprising mode-selective phase structures

Details Laser resonators comprising mode-selective phase structures Laser resonators comprising mode-selective phase structures

2005-07-19

2005-07-19

Harvey, Minson O (Department: 2828)

Coherent light generators

Particular beam control device

Optical output stabilization

C372S050121

Reexamination Certificate

active

06920160

ABSTRACT:
The invention relates to a laser resonator for semiconductor lasers having a waveguiding layer which is disposed between a substrate and a superstrate, the waveguiding layer, the substrate and/or the superstrate of the laser resonator having at least one phase structure which varies locally in such a manner that at least one predetermined laser mode is influenced in its propagation characteristic.

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Takiguchi, Tohru, et al., Selective-Area Growth for Novel 1.3 •m Distributed Feedback Laser Diodes with Graded Grating, Japanese Board of Applied Physics, vol. 38 (1999) pgs pp. 1249-1251.
Oku, S., et al., Fabrication And Performance Of Surface-Grating Distributed Bragg Reflector Lasers With Grooved Surface Gratings Formed By Reactive Beam Etching, IEE Proc.-Opto-electron, vol. 146, No. 1, Feb. 1999.
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