Semiconductor laser device

Details Semiconductor laser device Semiconductor laser device

H - Electricity

01

L

345/32

H01L 27/15 (2006.01) H01S 5/062 (2006.01) H01S 5/227 (2006.01)

Patent

CA 1152624

- 1 - Abstract: Disclosed is a semiconductor laser device comprising a semiconductor assembly which serves to effect laser oscillation and in which first, second and third semiconductor layers are successively stacked on a predetermined semiconductor body. At least the first and third semiconductor layers are small in the refractive index relative to the second semiconductor layer and large in the forbidden band gap relative thereto. An entity is provided to spread depletion regions within at least a part of a current path for effecting laser oscillation and in a manner to intersect with the current path. A small semiconductor laser device capable of fast modulation is realized.

369083

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