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Quantum Frequency Conversion of Single Photons from a Nitrogen-Vacancy Center in Diamond to Telecommunication Wavelengths

Anaïs Dréau, Anna Tchebotareva, Aboubakr El Mahdaoui, Cristian Bonato, and Ronald Hanson
Phys. Rev. Applied 9, 064031 – Published 19 June 2018
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Abstract

We report on the conversion to telecommunication wavelengths of single photons emitted by a nitrogen-vacancy (NV) defect in diamond. By means of difference frequency generation, we convert spin-selective photons at 637 nm, associated with the coherent NV zero-phonon line, to the target wavelength of 1588 nm in the L-telecommunication band. The successful conversion is evidenced by time-resolved detection revealing a telecommunication-photon lifetime identical to that of the original 637-nm photon. Furthermore, we show by second-order correlation measurements that the single-photon statistics are preserved. The overall efficiency of this one-step conversion reaches 17% in our current setup, along with a signal-to-noise ratio of approximately 7 despite the low probability (<103) of an incident 637-nm photon. This result shows the potential for efficient telecommunication-photon–NV-center interfaces and marks an important step towards future long-range entanglement-based quantum networks.

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  • Received 10 January 2018
  • Corrected 5 July 2018

DOI:https://doi.org/10.1103/PhysRevApplied.9.064031

© 2018 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalCondensed Matter, Materials & Applied PhysicsQuantum Information, Science & Technology

Corrections

5 July 2018

Correction: The surname of the second author contained a spelling error and was corrected.

Authors & Affiliations

Anaïs Dréau1,2,3,*, Anna Tchebotareva1,4, Aboubakr El Mahdaoui1,2, Cristian Bonato1,2,†, and Ronald Hanson1,2

  • 1QuTech, Delft University of Technology, P.O. Box 5046, 2600 GA Delft, The Netherlands
  • 2Kavli Institute of Nanoscience, Delft University of Technology, P.O. Box 5046, 2600 GA Delft, The Netherlands
  • 3Laboratoire Charles Coulomb, Université de Montpellier and CNRS, 34095 Montpellier, France
  • 4Netherlands Organisation for Applied Scientific Research (TNO), P.O. Box 155, 2600 AD Delft, The Netherlands

  • *anais.dreau@umontpellier.fr
  • Present address: Institute of Photonics and Quantum Sciences, SUPA, Heriot-Watt University, Edinburgh EH14 4AS, United Kingdom.

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Issue

Vol. 9, Iss. 6 — June 2018

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