Electrically pumped vertical cavity laser

Details Electrically pumped vertical cavity laser Electrically pumped vertical cavity laser

H - Electricity

01

S

345/46

H01S 5/183 (2006.01) H01S 3/098 (2006.01)

Patent

CA 2008899

Abstract of the Disclosure An electrically pumped vertical cavity laser depends upon reflection as between an unaided DBR reflector on one side of the cavity and a metal-supplemented DBR reflector on the other. Placement of the shorter supplemented DBR on the p- conductivity type side of the cavity reduces the resistance of the electrical series pump path. Permitted use of an active region of a thickness of 1µm or less in the lasing direction results in low lasing threshold. The structural approach is of significance for laser integration in integrated circuits, whether electro-optic or all- optic.

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