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Title: Enhanced third harmonic generation from the epsilon-near-zero modes of ultrathin films

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4917457· OSTI ID:22398884
;  [1]; ;  [2]; ;  [1];  [1];  [3]
  1. Sandia National Laboratories, P.O. Box 5800, Albuquerque, New Mexico 87185 (United States)
  2. National Research Council–AMRDEC, Charles M. Bowden Research Laboratory, Redstone Arsenal, Alabama 35898 (United States)
  3. Charles M. Bowden Research Laboratory, AMRDEC, U.S. Army RDECOM, Redstone Arsenal, Alabama 35898 (United States)

We experimentally demonstrate efficient third harmonic generation from an indium tin oxide nanofilm (λ/42 thick) on a glass substrate for a pump wavelength of 1.4 μm. A conversion efficiency of 3.3 × 10{sup −6} is achieved by exploiting the field enhancement properties of the epsilon-near-zero mode with an enhancement factor of 200. This nanoscale frequency conversion method is applicable to other plasmonic materials and reststrahlen materials in proximity of the longitudinal optical phonon frequencies.

OSTI ID:
22398884
Journal Information:
Applied Physics Letters, Vol. 106, Issue 15; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0003-6951
Country of Publication:
United States
Language:
English

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Femtosecond optical polarization switching using a cadmium oxide-based perfect absorber journal May 2017
Large optical nonlinearity of nanoantennas coupled to an epsilon-near-zero material journal January 2018
High-harmonic generation from an epsilon-near-zero material journal July 2019
Nonlinear optical effects in epsilon-near-zero media journal June 2019
Near-zero-index materials for photonics journal September 2019
Combining ε-Near-Zero Behavior and Stopped Light Energy Bands for Ultra-Low Reflection and Reduced Dispersion of Slow Light journal August 2017
Electrically tunable perfect light absorbers as color filters and modulators journal February 2018
Viscoelastic optical nonlocality of low-loss epsilon-near-zero nanofilms journal June 2018
Study of second and third harmonic generation from an indium tin oxide nanolayer: Influence of nonlocal effects and hot electrons journal January 2020
Theoretical study of photonic bands of one-dimensional photonic crystals containing epsilon-near-zero metamaterials journal December 2018
A polarization- and direction-independent phase-matching for third harmonic generation journal February 2019
Atomic layer deposition of ultra-thin and smooth Al-doped ZnO for zero-index photonics journal January 2018
Optical response of dipole antennas on an epsilon-near-zero substrate journal June 2016
Large optical nonlinearity of indium tin oxide in its epsilon-near-zero region journal April 2016
Self-interaction of ultrashort pulses in an epsilon-near-zero nonlinear material at the telecom wavelength journal January 2019
Origin of third harmonic generation in plasmonic nanoantennas journal January 2017
Suppression of near-field coupling in plasmonic antennas on epsilon-near-zero substrates journal January 2018
Two Types of Localized States in a Photonic Crystal Bounded by an Epsilon near Zero Nanocomposite journal August 2018
Optical time reversal from time-dependent Epsilon-Near-Zero media conference January 2018
Two Types of Localized States in a Photonic Crystal Bounded by an Epsilon Near Zero Nanocomposite posted_content July 2018
Origin of third harmonic generation in plasmonic nanoantennas text January 2016
Optical time reversal from time-dependent Epsilon-Near-Zero media text January 2017
Viscoelastic optical nonlocality of low-loss epsilon-near-zero nanofilms preprint January 2017
Study of second and third harmonic generation from an indium tin oxide nanolayer: influence of nonlocal effects and hot electrons preprint January 2019
Broad frequency shift of parametric processes in Epsilon-Near-Zero time-varying media preprint January 2019