Grating-outcoupled surface-emitting lasers

Details Grating-outcoupled surface-emitting lasers Grating-outcoupled surface-emitting lasers

2005-11-08

2005-11-08

Harvey, Mingun Oh (Department: 2828)

Coherent light generators

Particular resonant cavity

Specified cavity component

C372S043010, C372S045013, C372S046012, C372S096000

Reexamination Certificate

active

06963597

ABSTRACT:
Laser diodes are formed with an outcoupling grating between two separate distributed Bragg reflectors. The devices have gain regions located between the reflector gratings for pumping the active region. The outcoupling grating couples light out of the waveguide normal to the surface if the grating spacings are equal to an integer number of wavelengths of the light within the cavity. If the gratings are not such an integer number, the light is coupled out of the cavity off the normal.

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