Patent ID: 6326646
Filing Date: 2001-12-04
Classification: B82Y,H01S

Abstract:
A method of fabricating an intersubband semiconductor light emitter comprising the steps of:(a) providing a single crystal semiconductor substrate,(b) forming on said substrate an epitaxial region that includes a core region and an intersubband active region in said core region,(c) forming front and back facets on opposite ends of said active region,(d) forming a metal electrode on said epitaxial region so as to provide an electrical connection to said active region, and(e) mounting said laser on a surface of a heat sink, characterized in thatsaid mounting step (e) includes the steps of (e1) soldering said electrode to said heat sink so that said front facet overhangs an edge of said heat sink and (e2) cleaving off the overhanging portion of said laser so as to form a new front facet that is essentially flush with said edge of said heat sink.