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Low loss, high and low index contrast waveguides in semiconductors

United States Patent

August 9, 2011
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
A system in one general embodiment includes a waveguide structure comprising a core of an alloy of Group III-V materials surrounded by an oxide (which may include one or more Group III-V metals), wherein an interface of the oxide and core is characterized by oxidation of the alloy for defining the core. A method in one general approach includes oxidizing a waveguide structure comprising an alloy of Group III-V materials for forming a core of the alloy surrounded by an oxide.
Bond; Tiziana (Livermore, CA), Cole; Garrett (Berkeley, CA), Goddard; Lynford (Champaign, IL), Kallman; Jeff (Pleasanton, CA)
Lawrence Livermore National Security, LLC (Livermore, CA)
12/ 129,503
May 29, 2008
The United States Government has rights in this invention pursuant to Contract No. DE-AC52-07NA27344 between the United States Department of Energy and Lawrence Livermore National Security, LLC for the operation of Lawrence Livermore National Laboratory,