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Optical phased array using guided resonance with backside reflectors

Patent ·
OSTI ID:1330703
; ;
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.
Research Organization:
CALIFORNIA INSTITUTE OF TECHNOLOGY, Pasadena, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
SC0001293
Assignee:
CALIFORNIA INSTITUTE OF TECHNOLOGY (Pasadena, CA)
Patent Number(s):
9,482,887
Application Number:
14/814,421
OSTI ID:
1330703
Country of Publication:
United States
Language:
English

References (6)

High speed optical phased array using high contrast grating all-pass filters journal January 2014
Photoinduced phase transition in VO_2 nanocrystals: ultrafast control of surface-plasmon resonance journal January 2005
High-contrast gratings for integrated optoelectronics journal January 2012
Reflective Optical Phase Modulator Based on High-Contrast Grating Mirrors conference January 2014
An electromechanically reconfigurable plasmonic metamaterial operating in the near-infrared journal March 2013
Symmetry-protected mode coupling near normal incidence for narrow-band transmission filtering in a dielectric grating journal April 2014

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