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Method and apparatus of wide-angle optical beamsteering from a nanoantenna phased array

Patent ·
OSTI ID:1209346
; ;

An optical beam-steering apparatus is provided. The apparatus includes one or more optical waveguides and at least one row of metallic nanoantenna elements overlying and electromagnetically coupled to a respective waveguide. In each such row, individual nanoantenna elements are spaced apart along an optical propagation axis of the waveguide so that there is an optical propagation phase delay between successive pairs of nanoantenna elements along the row. The apparatus also includes a respective single electric heating element in thermal contact with each of the waveguides. Each heating element is arranged to heat, substantially uniformly, at least that portion of its waveguide that directly underlies the corresponding row of nanoantenna elements.

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
Sandia Corporation (Albuquerque, NM)
Patent Number(s):
9,104,086
Application Number:
14/188,269
OSTI ID:
1209346
Country of Publication:
United States
Language:
English

References (5)

Two-dimensional optical phased array antenna on silicon-on-Insulator journal January 2010
Electronically controlled optical beam-steering by an active phased array of metallic nanoantennas journal January 2013
Large-scale nanophotonic phased array journal January 2013
Fully integrated hybrid silicon free-space beam steering source with 32-channel phased array
  • Hulme, J. C.; Doylend, J. K.; Heck, M. J. R.
  • Smart Photonic and Optoelectronic Integrated Circuits XVI, Vol. 8989, Article No: 898907 https://doi.org/10.1117/12.2044820
conference March 2014
Two-dimensional free-space beam steering with an optical phased array on silicon-on-insulator journal January 2011

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