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Hosseini M, Beck KM, Duan Y, et al. Partially Nondestructive Continuous Detection of Individual Traveling Optical Photons. Phys Rev Lett. 2016;116(3):033602doi: 10.1103/PhysRevLett.116.033602.
Hosseini, M., Beck, K. M., Duan, Y., Chen, W., & Vuletić, V. (2016). Partially Nondestructive Continuous Detection of Individual Traveling Optical Photons. Physical review letters, 116(3), 033602. https://doi.org/10.1103/PhysRevLett.116.033602
Hosseini, Mahdi, et al. "Partially Nondestructive Continuous Detection of Individual Traveling Optical Photons." Physical review letters vol. 116,3 (2016): 033602. doi: https://doi.org/10.1103/PhysRevLett.116.033602
Hosseini M, Beck KM, Duan Y, Chen W, Vuletić V. Partially Nondestructive Continuous Detection of Individual Traveling Optical Photons. Phys Rev Lett. 2016 Jan 22;116(3):033602. doi: 10.1103/PhysRevLett.116.033602. Epub 2016 Jan 19. PMID: 26849595.
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Phys Rev Lett. 2016 Jan 22;116(3):033602. doi: 10.1103/PhysRevLett.116.033602. Epub 2016 Jan 19.

Partially Nondestructive Continuous Detection of Individual Traveling Optical Photons.

Physical review letters

Mahdi Hosseini, Kristin M Beck, Yiheng Duan, Wenlan Chen, Vladan Vuletić

Affiliations

  1. Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.

PMID: 26849595 DOI: 10.1103/PhysRevLett.116.033602

Abstract

We report the continuous and partially nondestructive measurement of optical photons. For a weak light pulse traveling through a slow-light optical medium (signal), the associated atomic-excitation component is detected by another light beam (probe) with the aid of an optical cavity. We observe strong correlations of g_{sp}^{(2)}=4.4(5) between the transmitted signal and probe photons. The observed (intrinsic) conditional nondestructive quantum efficiency ranges between 13% and 1% (65% and 5%) for a signal transmission range of 2% to 35%, at a typical time resolution of 2.5  μs. The maximal observed (intrinsic) device nondestructive quantum efficiency, defined as the product of the conditional nondestructive quantum efficiency and the signal transmission, is 0.5% (2.4%). The normalized cross-correlation function violates the Cauchy-Schwarz inequality, confirming the nonclassical character of the correlations.

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