Actively tunable polar-dielectric optical devices
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United States of America Patent
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Apr 24, 2018
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Apr 21, 2017
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Feb 14, 2013
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Abstract
Optical devices that include one or more structures fabricated from polar-dielectric materials that exhibit surface phonon polaritons (SPhPs), where the SPhPs alter the optical properties of the structure. The optical properties lent to these structures by the SPhPs are altered by introducing charge carriers directly into the structures. The carriers can be introduced into these structures, and the carrier concentration thereby controlled, through optical pumping or the application of an appropriate electrical bias.
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