Semiconductor lasers and method for making the same

Coherent light generators – Particular active media – Semiconductor

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372 45, H01S 319

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active

059404248

ABSTRACT:
A semiconductor laser diode, and a method for producing the semiconductor laser diode, includes a waveguide being terminated by a back facet and a front facet and a front facet coating and a back facet coating having a reflectivity providing for controlled decoupling of light at the front facet from the standing lightwave in the waveguide. The front facet coating includes a stack of layers providing for a phase shift of the standing lightwave within the waveguide such that the intensity of the lightwave at the front facet, where the light is decoupled from the standing lightwave, has a relative minimum.

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High-Power Ridge-Waveguid AlGaAs Grin-Sch Laser Diode, Electronics Letters Sep. 25, 1986 vol. 22 No. 20.

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