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Title: Two-Photon Spontaneous Emission in Atomically Thin Plasmonic Nanostructures

Abstract

The ability to harness light-matter interactions at the few-photon level plays a pivotal role in quantum technologies. Single photons—the most elementary states of light—can be generated on demand in atomic and solid state emitters. Two-photon states are also key quantum assets, but achieving them in individual emitters is challenging because their generation rate is much slower than competing one-photon processes. We demonstrate that atomically thin plasmonic nanostructures can harness two-photon spontaneous emission, resulting in giant far field two-photon production, a wealth of resonant modes enabling tailored photonic and plasmonic entangled states, and plasmon-assisted single-photon creation orders of magnitude more efficient than standard one-photon emission. We unravel the two-photon spontaneous emission channels and show that their spectral line shapes emerge from an intricate interplay between Fano and Lorentzian resonances. Enhanced two-photon spontaneous emission in two-dimensional nanostructures paves the way to an alternative efficient source of light-matter entanglement for on-chip quantum information processing and free-space quantum communications.

Authors:
 [1]; ORCiD logo [2];  [3]; ORCiD logo [4]; ORCiD logo [4]
  1. Univ. Federal do Rio de Janeiro (Brazil); Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Center for Nonlinear Studies (CNLS)
  2. Univ. of New Mexico, Albuquerque, NM (United States)
  3. Univ. Federal do Rio de Janeiro (Brazil)
  4. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Laboratory Directed Research and Development (LDRD) Program; National Science Foundation (NSF)
OSTI Identifier:
1760577
Report Number(s):
LA-UR-20-20456
Journal ID: ISSN 0031-9007; TRN: US2206027
Grant/Contract Number:  
89233218CNA000001; ECCS-1710697; DMR-1941680; 20190574ECR; 20180062DR
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 125; Journal Issue: 3; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; Plasmonics; quantum optics; spontaneous emission; surface plasmon polariton; graphene; nanostructures; two-dimensional electron system

Citation Formats

Muniz, Y., Manjavacas, A., Farina, C., Dalvit, D.  A. R., and Kort-Kamp, W.  J. M. Two-Photon Spontaneous Emission in Atomically Thin Plasmonic Nanostructures. United States: N. p., 2020. Web. doi:10.1103/physrevlett.125.033601.
Muniz, Y., Manjavacas, A., Farina, C., Dalvit, D.  A. R., & Kort-Kamp, W.  J. M. Two-Photon Spontaneous Emission in Atomically Thin Plasmonic Nanostructures. United States. https://doi.org/10.1103/physrevlett.125.033601
Muniz, Y., Manjavacas, A., Farina, C., Dalvit, D.  A. R., and Kort-Kamp, W.  J. M. Wed . "Two-Photon Spontaneous Emission in Atomically Thin Plasmonic Nanostructures". United States. https://doi.org/10.1103/physrevlett.125.033601. https://www.osti.gov/servlets/purl/1760577.
@article{osti_1760577,
title = {Two-Photon Spontaneous Emission in Atomically Thin Plasmonic Nanostructures},
author = {Muniz, Y. and Manjavacas, A. and Farina, C. and Dalvit, D.  A. R. and Kort-Kamp, W.  J. M.},
abstractNote = {The ability to harness light-matter interactions at the few-photon level plays a pivotal role in quantum technologies. Single photons—the most elementary states of light—can be generated on demand in atomic and solid state emitters. Two-photon states are also key quantum assets, but achieving them in individual emitters is challenging because their generation rate is much slower than competing one-photon processes. We demonstrate that atomically thin plasmonic nanostructures can harness two-photon spontaneous emission, resulting in giant far field two-photon production, a wealth of resonant modes enabling tailored photonic and plasmonic entangled states, and plasmon-assisted single-photon creation orders of magnitude more efficient than standard one-photon emission. We unravel the two-photon spontaneous emission channels and show that their spectral line shapes emerge from an intricate interplay between Fano and Lorentzian resonances. Enhanced two-photon spontaneous emission in two-dimensional nanostructures paves the way to an alternative efficient source of light-matter entanglement for on-chip quantum information processing and free-space quantum communications.},
doi = {10.1103/physrevlett.125.033601},
journal = {Physical Review Letters},
number = 3,
volume = 125,
place = {United States},
year = {Wed Jul 15 00:00:00 EDT 2020},
month = {Wed Jul 15 00:00:00 EDT 2020}
}

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Works referencing / citing this record:

Space-Time Quantum Metasurfaces
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