Optical modulating device having gate structure
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United States of America Patent
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Apr 25, 2017
Grant Date -
Aug 4, 2016
app pub date -
Jan 29, 2016
filing date -
Feb 3, 2015
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Abstract
An optical modulation device includes a plasmonic nano-antenna layer, a metal layer that faces the plasmonic nano-antenna layer, and a permittivity variation layer and a dielectric material layer between the plasmonic nano-antenna layer and the metal layer. An active area formed in the permittivity variation layer according to an external signal may function as a gate that controls optical modulation performance.
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