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Coherent perfect absorption in deeply subwavelength films in the single-photon regime

Coherent perfect absorption in deeply subwavelength films in the single-photon regime
Coherent perfect absorption in deeply subwavelength films in the single-photon regime
The technologies of heating, photovoltaics, water photocatalysis and artificial photosynthesis depend on the absorption of light and novel approaches such as coherent absorption from a standing wave promise total dissipation of energy. Extending the control of absorption down to very low light levels and eventually to the single-photon regime is of great interest and yet remains largely unexplored. Here we demonstrate the coherent absorption of single photons in a deeply subwavelength 50% absorber. We show that while the absorption of photons from a travelling wave is probabilistic, standing wave absorption can be observed deterministically, with nearly unitary probability of coupling a photon into a mode of the material, for example, a localized plasmon when this is a metamaterial excited at the plasmon resonance. These results bring a better understanding of the coherent absorption process, which is of central importance for light harvesting, detection, sensing and photonic data processing applications.
7031-7035
Roger, T.
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Vezzoli, S.
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Bolduc, E.
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Valente, J.
b1d50ead-5c3d-4416-ad05-3beb1b373146
Heitz, J.
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Jeffers, J.
ae384249-eb97-46f3-97c7-c3606e63c8a0
Soci, C.
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Leach, J.
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Couteau, C.
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Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Faccio, D.
439c72fc-1a71-41c2-bc41-f610ab3ddfb5
Roger, T.
ff361153-2c82-4f1a-a179-0081e77c104a
Vezzoli, S.
400e8ba7-e7e8-4648-a9fe-26769bcc318a
Bolduc, E.
22b09ee5-3d95-40ea-856d-6696af7673f9
Valente, J.
b1d50ead-5c3d-4416-ad05-3beb1b373146
Heitz, J.
876cc2d9-150a-4f92-afdb-6ea8bc1e2912
Jeffers, J.
ae384249-eb97-46f3-97c7-c3606e63c8a0
Soci, C.
6e631c6a-0cd5-41f7-ab48-665f09d2f010
Leach, J.
8f3ffd67-e3c7-42ff-8cde-e99f35f73b29
Couteau, C.
ac182b95-f2a2-4ccc-a5e9-af8bbbb8df75
Zheludev, N.I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Faccio, D.
439c72fc-1a71-41c2-bc41-f610ab3ddfb5

Roger, T., Vezzoli, S., Bolduc, E., Valente, J., Heitz, J., Jeffers, J., Soci, C., Leach, J., Couteau, C., Zheludev, N.I. and Faccio, D. (2015) Coherent perfect absorption in deeply subwavelength films in the single-photon regime. Nature Communications, 6, 7031-7035. (doi:10.1038/ncomms8031).

Record type: Article

Abstract

The technologies of heating, photovoltaics, water photocatalysis and artificial photosynthesis depend on the absorption of light and novel approaches such as coherent absorption from a standing wave promise total dissipation of energy. Extending the control of absorption down to very low light levels and eventually to the single-photon regime is of great interest and yet remains largely unexplored. Here we demonstrate the coherent absorption of single photons in a deeply subwavelength 50% absorber. We show that while the absorption of photons from a travelling wave is probabilistic, standing wave absorption can be observed deterministically, with nearly unitary probability of coupling a photon into a mode of the material, for example, a localized plasmon when this is a metamaterial excited at the plasmon resonance. These results bring a better understanding of the coherent absorption process, which is of central importance for light harvesting, detection, sensing and photonic data processing applications.

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Accepted/In Press date: 25 March 2015
Published date: 20 May 2015
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 377336
URI: https://eprints.soton.ac.uk/id/eprint/377336
PURE UUID: 864fb1d1-99d6-4cc8-a217-51c8105c0cb3
ORCID for N.I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

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Date deposited: 29 May 2015 10:35
Last modified: 03 Dec 2019 02:03

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Contributors

Author: T. Roger
Author: S. Vezzoli
Author: E. Bolduc
Author: J. Valente
Author: J. Heitz
Author: J. Jeffers
Author: C. Soci
Author: J. Leach
Author: C. Couteau
Author: N.I. Zheludev ORCID iD
Author: D. Faccio

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