Heterostructure devices including tapered optical couplers

Details Heterostructure devices including tapered optical couplers Heterostructure devices including tapered optical couplers

H - Electricity

01

S

345/56, 148/2.55

H01S 5/16 (2006.01) H01L 21/208 (2006.01) H01P 5/00 (2006.01) H01S 5/026 (2006.01) H01S 5/10 (2006.01) H01L 33/00 (2006.01)

Patent

CA 1044356

ABSTRACT Described is a double heterostructure junction laser in which the active region tapers to zero thickness within the structure, causing light to couple into an adjacent, underlying passive waveguide layer. Also described is a laser device in which the passive waveguide layer terminates in a region of increased thickness adjacent a laser output face. In addition, LPE and NBE techniques for fabricating the tapers are described.

237315

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