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Title: Low-Loss Plasmonic Dielectric Nanoresonators

Abstract

Material losses in metals are a central bottleneck in plasmonics for many applications. We propose and theoretically demonstrate that metal losses can be successfully mitigated with dielectric particles on metallic films, giving rise to hybrid dielectric–metal resonances. In the far field, they yield strong and efficient scattering, beyond even the theoretical limits of all-metal and all-dielectric structures. In the near field, they offer high Purcell factor (>5000), high quantum efficiency (>90%), and highly directional emission at visible and infrared wavelengths. Their quality factors can be readily tailored from plasmonic-like (~10) to dielectric-like (~103), with wide control over the individual resonant coupling to photon, plasmon, and dissipative channels. Compared with conventional plasmonic nanostructures, such resonances show robustness against detrimental nonlocal effects and provide higher field enhancement at extreme nanoscopic sizes and spacings. These hybrid resonances equip plasmonics with high efficiency, which has been the predominant goal since the field’s inception.

Authors:
ORCiD logo [1];  [2];  [1];  [1];  [1]
  1. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Research Lab. of Electronics
  2. Yale Univ., New Haven, CT (United States). Dept. of Applied Physics. Energy Sciences Inst.
Publication Date:
Research Org.:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1470502
Grant/Contract Number:  
SC0001299
Resource Type:
Accepted Manuscript
Journal Name:
Nano Letters
Additional Journal Information:
Journal Volume: 17; Journal Issue: 5; Journal ID: ISSN 1530-6984
Publisher:
American Chemical Society
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY; nanoparticles; nanoantennas; radiative efficiency; light scattering; spontaneous emission; nonlocality

Citation Formats

Yang, Yi, Miller, Owen D., Christensen, Thomas, Joannopoulos, John D., and Soljačić, Marin. Low-Loss Plasmonic Dielectric Nanoresonators. United States: N. p., 2017. Web. doi:10.1021/acs.nanolett.7b00852.
Yang, Yi, Miller, Owen D., Christensen, Thomas, Joannopoulos, John D., & Soljačić, Marin. Low-Loss Plasmonic Dielectric Nanoresonators. United States. doi:https://doi.org/10.1021/acs.nanolett.7b00852
Yang, Yi, Miller, Owen D., Christensen, Thomas, Joannopoulos, John D., and Soljačić, Marin. Tue . "Low-Loss Plasmonic Dielectric Nanoresonators". United States. doi:https://doi.org/10.1021/acs.nanolett.7b00852. https://www.osti.gov/servlets/purl/1470502.
@article{osti_1470502,
title = {Low-Loss Plasmonic Dielectric Nanoresonators},
author = {Yang, Yi and Miller, Owen D. and Christensen, Thomas and Joannopoulos, John D. and Soljačić, Marin},
abstractNote = {Material losses in metals are a central bottleneck in plasmonics for many applications. We propose and theoretically demonstrate that metal losses can be successfully mitigated with dielectric particles on metallic films, giving rise to hybrid dielectric–metal resonances. In the far field, they yield strong and efficient scattering, beyond even the theoretical limits of all-metal and all-dielectric structures. In the near field, they offer high Purcell factor (>5000), high quantum efficiency (>90%), and highly directional emission at visible and infrared wavelengths. Their quality factors can be readily tailored from plasmonic-like (~10) to dielectric-like (~103), with wide control over the individual resonant coupling to photon, plasmon, and dissipative channels. Compared with conventional plasmonic nanostructures, such resonances show robustness against detrimental nonlocal effects and provide higher field enhancement at extreme nanoscopic sizes and spacings. These hybrid resonances equip plasmonics with high efficiency, which has been the predominant goal since the field’s inception.},
doi = {10.1021/acs.nanolett.7b00852},
journal = {Nano Letters},
number = 5,
volume = 17,
place = {United States},
year = {2017},
month = {4}
}

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Cited by: 48 works
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