Patent ID: 7257142

Claim:
An apparatus, comprising; an integrated structure having front and rear facets optically connected via a waveguide passing therethrough, the integrated structure further including; a gain section to emit a plurality of photons in response to a first input, having a facet defining the rear facet of the integrated structure; a phase control section disposed adjacent to the gain section, to modulate an optical path length of a portion of the waveguide passing through the phase control section in response to a second electrical input; a modulator section disposed adjacent to the phase control section, to modulate an optical output passing through a portion of the waveguide passing through the modulator section in response to a third electrical input, and having a facet defining the front facet of the integrated structure; and a partially-reflective mirror disposed between the phase control section and the modulator section, the partially-reflective mirror having a reflectivity of approximately 2-10 percent.