Coherent light generators – Particular resonant cavity – Distributed feedback
Patent
1992-11-05
1994-05-31
Lee, John D.
Coherent light generators
Particular resonant cavity
Distributed feedback
372 45, H01S 3086
Patent
active
053175883
ABSTRACT:
A ridge waveguide distributed feedback semiconductor laser diode having a depressed-index cladding layer formed on a graded lower cladding layer.
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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 Letters, vol. 59, 2694, 1991 (Nov.).
Aiki et al, "GaAs-AlGaAs Distributed-Feedback Diode Lasers With Separate Optical and Carrier Confinement", Applied Physics Letter, vol. 27, pp. 145-146, 1975 (Aug.).
Namizaki et al, "Large-Optical-Cavity GaAs-(GaAl)As Injection Laser with Low-Loss Distributed Bragg Reflectors", Applied Physics Letters, vol. 31, pp. 122-124, 1977 (Jul.).
Eastman Kodak Company
Lee John D.
Owens Raymond L.
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