Double-channel planar heterostructure semiconductor laser

Details Double-channel planar heterostructure semiconductor laser Double-channel planar heterostructure semiconductor laser

H - Electricity

01

S

345/32

H01S 5/227 (2006.01) H01S 5/062 (2006.01)

Patent

CA 1197001

ABSTRACT A double-channel planar buried-heterostructure laser diode (DC-PBH LD) differs from the prior art structure by the provision of a third blocking layer which is disposed between the two conventional blocking layers. The third layer has a smaller carrier concentration than that of each of the other two layers. The third blocking layer serves to reduce the junction capacity of the device which results in a greatly improved high frequency response.

437541

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