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Title: Detection of internal fields in double-metal terahertz resonators

Abstract

(THz) plasmonic double-metal resonators enable enhanced light-matter coupling by utilizing strong localization of the resonant field. The closed resonator design however restricts investigations of the light-matter interaction effects. We propose and demonstrate a method for spatial mapping and spectroscopic analysis of the internal resonant THz fields in plasmonic double-metal THz resonators. We use the aperture-type scanning near-field THz time-domain microscopy and the concept of image charges to probe the THz fields confined within the resonator. The experimental method opens doors to studies of light-matter coupling in deeply sub-wavelength volumes at THz frequencies.

Authors:
 [1]; ORCiD logo [2];  [3]; ORCiD logo [3];  [4];  [4]
  1. Univ. College London (United Kingdom); Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  2. China Jiliang Univ., Hangzhou (China)
  3. Univ. of Southern Denmark, Odense (Denmark)
  4. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1356225
Alternate Identifier(s):
OSTI ID: 1361774
Report Number(s):
SAND-2016-11501J
Journal ID: ISSN 0003-6951; 649107
Grant/Contract Number:  
AC04-94AL85000
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 110; Journal Issue: 6; Journal ID: ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats

Mitrofanov, Oleg, Han, Zhanghua, Ding, Fei, Bozhevolnyi, Sergey I., Brener, Igal, and Reno, John L. Detection of internal fields in double-metal terahertz resonators. United States: N. p., 2017. Web. doi:10.1063/1.4975802.
Mitrofanov, Oleg, Han, Zhanghua, Ding, Fei, Bozhevolnyi, Sergey I., Brener, Igal, & Reno, John L. Detection of internal fields in double-metal terahertz resonators. United States. doi:10.1063/1.4975802.
Mitrofanov, Oleg, Han, Zhanghua, Ding, Fei, Bozhevolnyi, Sergey I., Brener, Igal, and Reno, John L. Mon . "Detection of internal fields in double-metal terahertz resonators". United States. doi:10.1063/1.4975802. https://www.osti.gov/servlets/purl/1356225.
@article{osti_1356225,
title = {Detection of internal fields in double-metal terahertz resonators},
author = {Mitrofanov, Oleg and Han, Zhanghua and Ding, Fei and Bozhevolnyi, Sergey I. and Brener, Igal and Reno, John L.},
abstractNote = {(THz) plasmonic double-metal resonators enable enhanced light-matter coupling by utilizing strong localization of the resonant field. The closed resonator design however restricts investigations of the light-matter interaction effects. We propose and demonstrate a method for spatial mapping and spectroscopic analysis of the internal resonant THz fields in plasmonic double-metal THz resonators. We use the aperture-type scanning near-field THz time-domain microscopy and the concept of image charges to probe the THz fields confined within the resonator. The experimental method opens doors to studies of light-matter coupling in deeply sub-wavelength volumes at THz frequencies.},
doi = {10.1063/1.4975802},
journal = {Applied Physics Letters},
number = 6,
volume = 110,
place = {United States},
year = {Mon Feb 06 00:00:00 EST 2017},
month = {Mon Feb 06 00:00:00 EST 2017}
}

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