Polarization mode selection by distributed Bragg reflector in a

Details Polarization mode selection by distributed Bragg reflector in a Polarization mode selection by distributed Bragg reflector in a

1996-12-19

1998-07-21

Healy, Brian

Coherent light generators

Particular active media

Semiconductor

372 43, 372 96, 372102, 372106, 257 14, H01S 319, H01L 2906

Patent

active

057843996

ABSTRACT:
In a quantum well semiconductor laser structure, a distributed Bragg reflector is used to select the polarization mode of the emitted light beam. The period of the distributed Bragg reflector matches the peak gain of one polarization mode providing optical feedback for that mode to be the light emitted. The distributed Bragg reflector can extend along the length of the active layer within the semiconductor structure or extend at one end of the active layer external to the semiconductor structure.

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patent: 5586131 (1996-12-01), Ono et al.
patent: 5648978 (1997-07-01), Sakata

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