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Large Bragg Reflection from One-Dimensional Chains of Trapped Atoms Near a Nanoscale Waveguide

Neil V. Corzo, Baptiste Gouraud, Aveek Chandra, Akihisa Goban, Alexandra S. Sheremet, Dmitriy V. Kupriyanov, and Julien Laurat
Phys. Rev. Lett. 117, 133603 – Published 23 September 2016
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Abstract

We report experimental observations of a large Bragg reflection from arrays of cold atoms trapped near a one-dimensional nanoscale waveguide. By using an optical lattice in the evanescent field surrounding a nanofiber with a period nearly commensurate with the resonant wavelength, we observe a reflectance of up to 75% for the guided mode. Each atom behaves as a partially reflecting mirror and an ordered chain of about 2000 atoms is sufficient to realize an efficient Bragg mirror. Measurements of the reflection spectra as a function of the lattice period and the probe polarization are reported. The latter shows the effect of the chiral character of nanoscale waveguides on this reflection. The ability to control photon transport in 1D waveguides coupled to spin systems would enable novel quantum network capabilities and the study of many-body effects emerging from long-range interactions.

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  • Received 7 April 2016

DOI:https://doi.org/10.1103/PhysRevLett.117.133603

© 2016 American Physical Society

Physics Subject Headings (PhySH)

Quantum Information, Science & TechnologyAtomic, Molecular & Optical

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Strong Light Reflection from Few Atoms

Published 23 September 2016

Up to 75% of light reflects from just 2000 atoms aligned along an optical fiber, an arrangement that could be useful in photonic circuits.

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Authors & Affiliations

Neil V. Corzo1, Baptiste Gouraud1, Aveek Chandra1, Akihisa Goban2,*, Alexandra S. Sheremet3,4, Dmitriy V. Kupriyanov5, and Julien Laurat1,†

  • 1Laboratoire Kastler Brossel, UPMC-Sorbonne Universités, CNRS, ENS-PSL Research University, Collège de France, 4 Place Jussieu, 75005 Paris, France
  • 2Norman Bridge Laboratory of Physics 12-33, California Institute of Technology, Pasadena, California 91125, USA
  • 3Information Technologies, Mechanics and Optics University, 199034 St. Petersburg, Russia
  • 4Russian Quantum Center, 143025 Skolkovo, Moscow Region, Russia
  • 5Department of Theoretical Physics, St. Petersburg State Polytechnic University, 195251 St. Petersburg, Russia

  • *Present address: JILA, University of Colorado, 440 UCB, Boulder, Colorado 80309, USA.
  • julien.laurat@upmc.fr

See Also

Coherent Backscattering of Light Off One-Dimensional Atomic Strings

H. L. Sørensen, J.-B. Béguin, K. W. Kluge, I. Iakoupov, A. S. Sørensen, J. H. Müller, E. S. Polzik, and J. Appel
Phys. Rev. Lett. 117, 133604 (2016)

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Vol. 117, Iss. 13 — 23 September 2016

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