Distributed bragg reflectors and devices incorporating same

Details Distributed bragg reflectors and devices incorporating same Distributed bragg reflectors and devices incorporating same

H - Electricity

01

S

H01S 3/086 (2006.01) G02B 5/08 (2006.01) G02B 6/122 (2006.01) H01L 33/00 (2006.01) H01S 5/183 (2006.01) H01S 5/042 (2006.01)

Patent

CA 2049848

Distributed Bragg Reflectors of high efficacy based on alternating layers of large difference in refractive index are fabricated by epitaxial growth followed by etchant removal and back-filling to produce a structure in which alternation is between layers of retained epitaxially grown material and layers of back-filled material. Such reflectors may serve simply as mirrors or may be incorporated in a variety of devices including lasers, LEDs, detectors, optical switches in which the DBRs serve e.g. for cavitation.

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