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Title: Epsilon-near-zero modes for tailored light-matter interaction

Journal Article · · Physical Review Applied

Epsilon-near-zero (ENZ) modes arising from condensed-matter excitations such as phonons and plasmons are a new path for tailoring light-matter interactions at the nanoscale. Complex spectral shaping can be achieved by creating such modes in nanoscale semiconductor layers and controlling their interaction with multiple, distinct, dipole resonant systems. Examples of this behavior are presented at midinfrared frequencies for ENZ modes that are strongly coupled to metamaterial resonators and simultaneously strongly coupled to semiconductor phonons or quantum-well intersubband transitions (ISTs), resulting in double- and triple-polariton branches in transmission spectra. For the double-polariton branch case, we find that the best strategy to maximize the Rabi splitting is to use a combination of a doped layer supporting an ENZ feature and a layer supporting ISTs, with overlapping ENZ and IST frequencies. As a result, this design flexibility renders this platform attractive for low-voltage tunable filters, light-emitting diodes, and efficient nonlinear composite materials.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1236227
Alternate ID(s):
OSTI ID: 1224121
Report Number(s):
SAND-2015-0187J; PRAHB2; 562116
Journal Information:
Physical Review Applied, Vol. 4, Issue 4; ISSN 2331-7019
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 40 works
Citation information provided by
Web of Science

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Cited By (7)

Epsilon-Near-Zero Photonics: A New Platform for Integrated Devices journal March 2018
Near-zero refractive index photonics journal March 2017
Near-zero-index materials for photonics journal September 2019
Low dissipation spectral filtering using a field-effect tunable III–V hybrid metasurface journal August 2018
Negative Refraction in Time-Varying Strongly Coupled Plasmonic-Antenna–Epsilon-Near-Zero Systems journal January 2020
Suppression of near-field coupling in plasmonic antennas on epsilon-near-zero substrates journal January 2018
Power generation from a radiative thermal source using a large-area infrared rectenna text January 2018

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