Nanoantenna Enhancement for Telecom-Wavelength Superconducting Single Photon Detectors

Robert M. Heath, Michael G. Tanner, Timothy D. Drysdale, Shigehito Miki, Vincenzo Giannini, Stefan A. Maier, Robert H. Hadfield

Research output: Contribution to journalArticle

Abstract

Superconducting nanowire single photon detectors are rapidly emerging as a key infrared photon-counting technology. Two front-side-coupled silver dipole nanoantennas, simulated to have resonances at 1480 and 1525 nm, were fabricated in a two-step process. An enhancement of 50 to 130% in the system detection efficiency was observed when illuminating the antennas. This offers a pathway to increasing absorption into superconducting nanowires, creating larger active areas, and achieving more efficient detection at longer wavelengths.

Original languageEnglish
Pages (from-to)819-822
Number of pages4
JournalNano Letters
Volume15
Issue number2
Early online date9 Jan 2015
DOIs
Publication statusPublished - Feb 2015

Keywords

  • Infrared detector
  • SNSPD
  • nanoantenna
  • superconducting nanowire
  • single photon detector

Cite this

Heath, R. M., Tanner, M. G., Drysdale, T. D., Miki, S., Giannini, V., Maier, S. A., & Hadfield, R. H. (2015). Nanoantenna Enhancement for Telecom-Wavelength Superconducting Single Photon Detectors. Nano Letters, 15(2), 819-822. https://doi.org/10.1021/nl503055a
Heath, Robert M. ; Tanner, Michael G. ; Drysdale, Timothy D. ; Miki, Shigehito ; Giannini, Vincenzo ; Maier, Stefan A. ; Hadfield, Robert H. / Nanoantenna Enhancement for Telecom-Wavelength Superconducting Single Photon Detectors. In: Nano Letters. 2015 ; Vol. 15, No. 2. pp. 819-822.
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Heath, RM, Tanner, MG, Drysdale, TD, Miki, S, Giannini, V, Maier, SA & Hadfield, RH 2015, 'Nanoantenna Enhancement for Telecom-Wavelength Superconducting Single Photon Detectors', Nano Letters, vol. 15, no. 2, pp. 819-822. https://doi.org/10.1021/nl503055a

Nanoantenna Enhancement for Telecom-Wavelength Superconducting Single Photon Detectors. / Heath, Robert M.; Tanner, Michael G.; Drysdale, Timothy D.; Miki, Shigehito; Giannini, Vincenzo; Maier, Stefan A.; Hadfield, Robert H.

In: Nano Letters, Vol. 15, No. 2, 02.2015, p. 819-822.

Research output: Contribution to journalArticle

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T1 - Nanoantenna Enhancement for Telecom-Wavelength Superconducting Single Photon Detectors

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AU - Drysdale, Timothy D.

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AU - Maier, Stefan A.

AU - Hadfield, Robert H.

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KW - superconducting nanowire

KW - single photon detector

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