Ridge waveguide laser diode with a depressed-index cladding laye

Details Ridge waveguide laser diode with a depressed-index cladding laye Ridge waveguide laser diode with a depressed-index cladding laye

1992-11-05

1994-04-26

Healy, Brian

Coherent light generators

Particular active media

Semiconductor

372 45, 372 44, 372 50, H01S 319

Patent

active

053073614

ABSTRACT:
A depressed-index cladding ridge waveguide semiconductor laser diode includes a depressed-index cladding layer formed in the lower cladding region.

REFERENCES:
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patent: 5212759 (1993-05-01), Brazas, Jr. et al.
Yuri et al., "Reduction of Beam Divergence Angles Perpendicular to the Junction Planes by Modulating the Refractive Index Profile in AlGaAs Laser Diodes", Japanese Society of Applied Physics, Fall 1991 Meeting.
Cockerill et al., "Depressed Index Cladding Graded Barrier Separate Confinement Single Quantum Well Heterostructure Laser", Applied Physics Letter, vol. 59, 2694, 1991.

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