Semiconductor laser with disordered and non-disordered...

Details Semiconductor laser with disordered and non-disordered... Semiconductor laser with disordered and non-disordered...

H - Electricity

01

S

H01S 5/34 (2006.01) H01S 5/183 (2006.01) H01S 5/042 (2006.01) H01S 5/20 (2006.01)

Patent

CA 2372862

In a semiconductor laser, non-disordered quantum well active region functions as a lasing region. Surrounding the non-disordered quantum well active region is a disordered quantum well active region which prevents diffusion of injected carriers from the non- disordered quantum well active region or provides a lateral heterobarrier. The disordered quantum well active region is formed by rapid thermal annealing in which defects from one or two InP defect layers diffuse into the parts of the quantum well active region to be disordered.

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