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Observation of the Unconventional Photon Blockade

H. J. Snijders, J. A. Frey, J. Norman, H. Flayac, V. Savona, A. C. Gossard, J. E. Bowers, M. P. van Exter, D. Bouwmeester, and W. Löffler
Phys. Rev. Lett. 121, 043601 – Published 23 July 2018
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Abstract

We observe the unconventional photon blockade effect in quantum dot cavity QED, which, in contrast to the conventional photon blockade, operates in the weak coupling regime. A single quantum dot transition is simultaneously coupled to two orthogonally polarized optical cavity modes, and by careful tuning of the input and output state of polarization, the unconventional photon blockade effect is observed. We find a minimum second-order correlation g(2)(0)0.37, which corresponds to g(2)(0)0.005 when corrected for detector jitter, and observe the expected polarization dependency and photon bunching and antibunching; close by in parameter space, which indicates the abrupt change from phase to amplitude squeezing.

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  • Received 29 March 2018

DOI:https://doi.org/10.1103/PhysRevLett.121.043601

© 2018 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

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A Double Take on Unconventional Photon Blockade

Published 23 July 2018

Two separate groups have demonstrated a photon blockade effect that could be used to make practical single-photon emitters.

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Authors & Affiliations

H. J. Snijders1, J. A. Frey2, J. Norman3, H. Flayac4, V. Savona4, A. C. Gossard3, J. E. Bowers3, M. P. van Exter1, D. Bouwmeester1,2, and W. Löffler1

  • 1Huygens-Kamerlingh Onnes Laboratory, Leiden University, P.O. Box 9504, 2300 RA Leiden, Netherlands
  • 2Department of Physics, University of California, Santa Barbara, California 93106, USA
  • 3Department of Electrical and Computer Engineering, University of California, Santa Barbara, California 93106, USA
  • 4Institute of Physics iPHYS, École Polytechnique Fédérale de Lausanne EPFL, CH-1015 Lausanne, Switzerland

See Also

Observation of the Unconventional Photon Blockade in the Microwave Domain

Cyril Vaneph, Alexis Morvan, Gianluca Aiello, Mathieu Féchant, Marco Aprili, Julien Gabelli, and Jérôme Estève
Phys. Rev. Lett. 121, 043602 (2018)

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Vol. 121, Iss. 4 — 27 July 2018

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