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Proceedings Paper

Optimization of high-contrast metastructure silicon waveguides for wavelength-tunable delay
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Paper Abstract

The ability to tune the delay of an optical signal is a key component in photonics-based RF phased-array beamforming applications. Recent work has shown that high-contrast metastructure waveguides can be designed for a wide range of delay tuned by carrier injection or signal wavelength, enabling two-dimensional beam steering. In this work, we further explore the parameter space of these structures to maximize the delay change over optical wavelength while maintaining low insertion loss, with the goal of implementing phased-array beamforming in integrated photonic devices.

Paper Details

Date Published: 20 February 2017
PDF: 6 pages
Proc. SPIE 10113, High Contrast Metastructures VI, 1011315 (20 February 2017); doi: 10.1117/12.2256244
Show Author Affiliations
Karen E. Grutter, U.S. Army Research Lab. (United States)
Stephen Anderson, U.S. Army Research Lab. (United States)
Rensselaer Polytechnic Institute (United States)
Weimin Zhou, U.S. Army Research Lab. (United States)

Published in SPIE Proceedings Vol. 10113:
High Contrast Metastructures VI
Connie J. Chang-Hasnain; Andrei Faraon; Fumio Koyama; Weimin Zhou, Editor(s)

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