Nonlinear metasurfaces based on plasmonic resonators coupled to intersubband transitions
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Aug 15, 2017
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Jul 30, 2015
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Jul 30, 2014
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Abstract
A nonlinear metasurface structure including a multi-quantum-well layer designed for a nonlinear response for a desired nonlinear optical process and an array of nanoantennas coupled to the intersubband transitions of the multi-quantum-well layer. Each nanoantenna in the array is designed to have electromagnetic resonances at or close to all input and output frequencies of a given nonlinear optical process. Nanoantennas allow efficient coupling of any incident and outgoing light polarizations to intersubband transitions. Nanoantennas may further provide significant field enhancement in the multi-quantum-well layer. As a result, the nonlinear metasurface structure can be designed to produce a highly nonlinear response for any polarization and angle of incidence of incoming and outgoing waves in a nonlinear optical process. Due to their very larger nonlinear response, efficient frequency conversion can be produced in these metasurfaces without the stringent phase-matching constraints of bulk nonlinear crystals.
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- BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
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Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Alu, Andrea | Austin, US | 20 | 125 |
Belkin, Mikhail | Austin, US | 10 | 105 |
Lee, Jongwon | Austin, US | 161 | 540 |
Tymchenko, Mykhailo | Austin, US | 12 | 32 |
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