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Optical phased array using guided resonance with backside reflectors

United States Patent

March 13, 2018
View the Complete Patent at the US Patent & Trademark Office
Methods and systems for controlling the phase of electromagnetic waves are disclosed. A device can consist of a guided resonance grating layer, a spacer, and a reflector. A plurality of devices, arranged in a grid pattern, can control the phase of reflected electromagnetic phase, through refractive index control. Carrier injection, temperature control, and optical beams can be applied to control the refractive index.
Horie; Yu (Pasadena, CA), Arbabi; Amir (Pasadena, CA), Faraon; Andrei (La Canada Flintridge, CA)
15/ 282,592
September 30, 2016
STATEMENT OF INTEREST This invention was made with government support under DE-SC0001293/T-107198 awarded by the Department of Energy. The government has certain rights in the invention. The invention described herein was made in the performance of work under a NASA contract, and is subject to the provisions of Public Law 96-517 (35 USC 202) in which the Contractor has elected to retain title.