Giant nonlinear processes in plasmonic metasurfaces

Juan Sebastian Gomez Diaz; J. Lee; M. Tymchenko; M. A. Belkin; A. Alu

doi:10.1109/APS.2015.7304930

Giant nonlinear processes in plasmonic metasurfaces

Juan Sebastian Gomez Diaz, J. Lee, M. Tymchenko, M. A. Belkin, A. Alu

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Scopus citations

Abstract

Nonlinear metasurfaces based on coupling locally-enhanced plasmonic response to intersubband transitions of multi-quantum-wells have recently provided second-order susceptibilities several orders of magnitude larger than any other non-linear flat structure measured so far. Here, we demonstrate that a proper design of the plasmonic metasurface inclusions can dramatically enhance the overall non-linear response of the structure. The optimized metasurfaces are then applied to achieve efficient second-harmonic generation (SHG) and differential frequency generation (DFG) in the infrared and terahertz frequency bands, respectively. In case of low-power impinging beams (≈1W), our simulations predict large conversion efficiencies of around 0.8% and 0.01% for SHG and DFG, outperforming previously reported efficiencies in 1-2 orders magnitude and confirming the suitability of this type of plasmonic metasurfaces as a highly-efficient flat platform for non-linear photonics.

Original language	English (US)
Title of host publication	2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1084-1085
Number of pages	2
Volume	2015-October
ISBN (Electronic)	9781479978151
DOIs	https://doi.org/10.1109/APS.2015.7304930
State	Published - Oct 22 2015
Externally published	Yes
Event	IEEE Antennas and Propagation Society International Symposium, APS 2015 - Vancouver, Canada Duration: Jul 19 2015 → Jul 24 2015

Other

Other	IEEE Antennas and Propagation Society International Symposium, APS 2015
Country	Canada
City	Vancouver
Period	7/19/15 → 7/24/15

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1109/APS.2015.7304930

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Giant nonlinear processes in plasmonic metasurfaces. / Gomez Diaz, Juan Sebastian; Lee, J.; Tymchenko, M.; Belkin, M. A.; Alu, A.

2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. Vol. 2015-October Institute of Electrical and Electronics Engineers Inc., 2015. p. 1084-1085 7304930.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Gomez Diaz, JS, Lee, J, Tymchenko, M, Belkin, MA & Alu, A 2015, Giant nonlinear processes in plasmonic metasurfaces. in 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. vol. 2015-October, 7304930, Institute of Electrical and Electronics Engineers Inc., pp. 1084-1085, IEEE Antennas and Propagation Society International Symposium, APS 2015, Vancouver, Canada, 7/19/15. https://doi.org/10.1109/APS.2015.7304930

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abstract = "Nonlinear metasurfaces based on coupling locally-enhanced plasmonic response to intersubband transitions of multi-quantum-wells have recently provided second-order susceptibilities several orders of magnitude larger than any other non-linear flat structure measured so far. Here, we demonstrate that a proper design of the plasmonic metasurface inclusions can dramatically enhance the overall non-linear response of the structure. The optimized metasurfaces are then applied to achieve efficient second-harmonic generation (SHG) and differential frequency generation (DFG) in the infrared and terahertz frequency bands, respectively. In case of low-power impinging beams (≈1W), our simulations predict large conversion efficiencies of around 0.8% and 0.01% for SHG and DFG, outperforming previously reported efficiencies in 1-2 orders magnitude and confirming the suitability of this type of plasmonic metasurfaces as a highly-efficient flat platform for non-linear photonics.",

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AB - Nonlinear metasurfaces based on coupling locally-enhanced plasmonic response to intersubband transitions of multi-quantum-wells have recently provided second-order susceptibilities several orders of magnitude larger than any other non-linear flat structure measured so far. Here, we demonstrate that a proper design of the plasmonic metasurface inclusions can dramatically enhance the overall non-linear response of the structure. The optimized metasurfaces are then applied to achieve efficient second-harmonic generation (SHG) and differential frequency generation (DFG) in the infrared and terahertz frequency bands, respectively. In case of low-power impinging beams (≈1W), our simulations predict large conversion efficiencies of around 0.8% and 0.01% for SHG and DFG, outperforming previously reported efficiencies in 1-2 orders magnitude and confirming the suitability of this type of plasmonic metasurfaces as a highly-efficient flat platform for non-linear photonics.

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