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ULTRAFAST ALL-OPTICAL MODULATION OF THE VISIBLE AND INFRARED SPECTRUM WITH NANOROD ARRAYS

United States Patent Application

20170222724
A1
View the Complete Application at the US Patent & Trademark Office
Disclosed herein is a method of optical modulation, the method comprising irradiating an optical switch with a control beam at a first control time and irradiating the optical switch with a signal beam at a signal time. The transmitted intensity of the signal beam in a direction depends on the delay time between the first control time and the signal time and the transmitted intensity of the signal beam in the direction is detectably different than a static signal. The optical switch comprises a nanorod array, the nanorod array comprising a plurality of nanorods extending outwardly from a substrate.
Chang, Robert P. H. (Glenview, IL), Schaller, Richard D. (Clarendon Hills, IL), Ketterson, John B. (Evanston, IL), Guo, Peijun (Evanston, IL)
Northwestern University (Evanston IL), UChicago Argonne, LLC (Chicago IL)
15/ 424,029
February 3, 2017
STATEMENT OF GOVERNMENT INTEREST [0002] This invention was made with government support under DE-AC02-06CH11357 awarded by the U.S. Department of Energy and DMR1121262 awarded by the National Science Foundation. The government has certain rights in the invention.