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Title: Active magneto-optical control of spontaneous emission in graphene

Abstract

In this study, we investigate the spontaneous emission rate of a two-level quantum emitter near a graphene-coated substrate under the influence of an external magnetic field or strain induced pseudomagnetic field. We demonstrate that the application of the magnetic field can substantially increase or decrease the decay rate. We show that a suppression as large as 99% in the Purcell factor is achieved even for moderate magnetic fields. The emitter's lifetime is a discontinuous function of |B|, which is a direct consequence of the occurrence of discrete Landau levels in graphene. We demonstrate that, in the near-field regime, the magnetic field enables an unprecedented control of the decay pathways into which the photon/polariton can be emitted. Our findings strongly suggest that a magnetic field could act as an efficient agent for on-demand, active control of light-matter interactions in graphene at the quantum level.

Authors:
 [1];  [2];  [3];  [3];  [3];  [3];  [3]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Univ. Federal do Rio de Janeiro, Rio de Janeiro (Brazil)
  2. Inst. de Ciencia de Materiales de Madrid, Madrid (Spain); Univ. of Minho, Braga (Portugal)
  3. Univ. of Southampton, Southampton (United Kingdom)
Publication Date:
Research Org.:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1236755
Report Number(s):
LA-UR-15-23776
Journal ID: ISSN 1098-0121; PRBMDO
Grant/Contract Number:  
303286/2013-0; BEX 1497/14-6; SFRH/BD/78987/2011; AC52-06NA25396
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review. B, Condensed Matter and Materials Physics
Additional Journal Information:
Journal Volume: 92; Journal Issue: 20; Journal ID: ISSN 1098-0121
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 77 NANOSCIENCE AND NANOTECHNOLOGY

Citation Formats

Kort-Kamp, W. J. M., Amorim, B., Bastos, G., Pinheiro, F. A., Rosa, F. S. S., Peres, N. M. R., and Farina, C. Active magneto-optical control of spontaneous emission in graphene. United States: N. p., 2015. Web. doi:10.1103/PhysRevB.92.205415.
Kort-Kamp, W. J. M., Amorim, B., Bastos, G., Pinheiro, F. A., Rosa, F. S. S., Peres, N. M. R., & Farina, C. Active magneto-optical control of spontaneous emission in graphene. United States. https://doi.org/10.1103/PhysRevB.92.205415
Kort-Kamp, W. J. M., Amorim, B., Bastos, G., Pinheiro, F. A., Rosa, F. S. S., Peres, N. M. R., and Farina, C. 2015. "Active magneto-optical control of spontaneous emission in graphene". United States. https://doi.org/10.1103/PhysRevB.92.205415. https://www.osti.gov/servlets/purl/1236755.
@article{osti_1236755,
title = {Active magneto-optical control of spontaneous emission in graphene},
author = {Kort-Kamp, W. J. M. and Amorim, B. and Bastos, G. and Pinheiro, F. A. and Rosa, F. S. S. and Peres, N. M. R. and Farina, C.},
abstractNote = {In this study, we investigate the spontaneous emission rate of a two-level quantum emitter near a graphene-coated substrate under the influence of an external magnetic field or strain induced pseudomagnetic field. We demonstrate that the application of the magnetic field can substantially increase or decrease the decay rate. We show that a suppression as large as 99% in the Purcell factor is achieved even for moderate magnetic fields. The emitter's lifetime is a discontinuous function of |B|, which is a direct consequence of the occurrence of discrete Landau levels in graphene. We demonstrate that, in the near-field regime, the magnetic field enables an unprecedented control of the decay pathways into which the photon/polariton can be emitted. Our findings strongly suggest that a magnetic field could act as an efficient agent for on-demand, active control of light-matter interactions in graphene at the quantum level.},
doi = {10.1103/PhysRevB.92.205415},
url = {https://www.osti.gov/biblio/1236755}, journal = {Physical Review. B, Condensed Matter and Materials Physics},
issn = {1098-0121},
number = 20,
volume = 92,
place = {United States},
year = {Fri Nov 13 00:00:00 EST 2015},
month = {Fri Nov 13 00:00:00 EST 2015}
}

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Cited by: 51 works
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Works referencing / citing this record:

Gate voltage and doping effects on near-field radiation heat transfer in plasmonic heterogeneous pairs of graphene and black phosphorene
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Weak-value amplification for Weyl-point separation in momentum space
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Spatial modulation of the electromagnetic energy transfer by excitation of graphene waveguide surface plasmons
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Enhancement and modulation of spontaneous emission near graphene-based hyperbolic metamaterials
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Giant quantized Goos-Hänchen effect on the surface of graphene in the quantum Hall regime
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Precision Measurement of the Optical Conductivity of Atomically Thin Crystals via the Photonic Spin Hall Effect
journal, January 2020


Controlling spontaneous emission via electronic correlations and temperature in transparent oxides
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Determining graphene's induced band gap with magnetic and electric emitters
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Tunable Fano resonances in the decay rates of a pointlike emitter near a graphene-coated nanowire
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Landau quantisation of photonic spin Hall effect in monolayer black phosphorus
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Topological phase transitions in the photonic spin Hall effect
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Nonlocal Optical Response in Topological Phase Transitions in the Graphene Family
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