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Integrated optical transceiver with electronically controlled optical beamsteering

United States Patent

To discuss licensing opportunities, fill out our Contact Form 
9,740,079
August 22, 2017
View the Complete Patent at the US Patent & Trademark Office
Nanoantenna Phased Array and Transceiver Next-Generation Automotive
A beam-steering optical transceiver is provided. The transceiver includes one or more modules, each comprising an antenna chip and a control chip bonded to the antenna chip. Each antenna chip has a feeder waveguide, a plurality of row waveguides that tap off from the feeder waveguide, and a plurality of metallic nanoantenna elements arranged in a two-dimensional array of rows and columns such that each row overlies one of the row waveguides. Each antenna chip also includes a plurality of independently addressable thermo-optical phase shifters, each configured to produce a thermo-optical phase shift in a respective row. Each antenna chip also has, for each row, a row-wise heating circuit configured to produce a respective thermo-optic phase shift at each nanoantenna element along its row. The control chip includes controllable current sources for the independently addressable thermo-optical phase shifters and the row-wise heating circuits.
15/ 337,179
October 28, 2016
1/1
G02B 6/12 (20060101)G02F 1/295 (20060101)H04B 10/40 (20130101)G02B 6/122 (20060101)G02B 6/134 (20060101)G02F 1/29 (20060101)
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was developed under Contract DE-AC04-94AL85000 between Sandia Corporation and the U.S. Department of Energy. The U.S. Government has certain rights in this invention.