Patent ID: 7643755
Filing Date: 2010-01-05
Classification: H04B

Abstract:
1. An apparatus comprising: a substrate comprising a first photosensitive crystalline semiconductor material; and a plurality of photodetectors integrated on the substrate, the plurality of photodetectors comprising: wherein the at least one second photodetector is configured as at least part of an optical receiver cell, integrated on the substrate, to receive an optical signal beam from a signal source and to convert the optical signal beam to an electrical signal; and wherein a subset of the plurality of photodetectors is configured as an optical imaging array, wherein the optical imaging array comprises a plurality of imaging cells to image the signal source for aligning the optical receiver cell with the signal source, wherein the plurality of imaging cells comprises at least 100 imaging cells, and wherein at least one imaging cell of the plurality of imaging cells comprises the at least one first photodetector.