Channeled substrate laser with distributed feedback

Details Channeled substrate laser with distributed feedback Channeled substrate laser with distributed feedback

1979-05-15

1981-11-24

Davie, James W.

Oscillators

Molecular or particle resonant type

H01S 319

Patent

active

043027296

ABSTRACT:
A solid state laser in which transverse mode control is achieved by a layer of non-uniform thickness adjacent the laser active region and longitudinal mode control is achieved by a periodic structure formed in the laser substrate. The layer of non-uniform thickness is provided by forming the layer on a channeled substrate, and the teeth of the periodic structure extend in a direction transverse to the direction of the channel.

REFERENCES:
patent: 4190813 (1980-02-01), Logan et al.
patent: 4257011 (1981-03-01), Nakamura et al.
Kuroda et al., "Channeled-substrate-planar structure distributed-feedback semiconductor lasers", Appl. Phys. Lett., vol. 33, No. 2, 7/15/78, pp. 173-174.

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