Coherence-Driven Topological Transition in Quantum Metamaterials

Pankaj K. Jha, Michael Mrejen, Jeongmin Kim, Chihhui Wu, Yuan Wang, Yuri V. Rostovtsev, and Xiang Zhang
Phys. Rev. Lett. 116, 165502 – Published 22 April 2016; Erratum Phys. Rev. Lett. 116, 229903 (2016)
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Abstract

We introduce and theoretically demonstrate a quantum metamaterial made of dense ultracold neutral atoms loaded into an inherently defect-free artificial crystal of light, immune to well-known critical challenges inevitable in conventional solid-state platforms. We demonstrate an all-optical control, on ultrafast time scales, over the photonic topological transition of the isofrequency contour from an open to closed topology at the same frequency. This atomic lattice quantum metamaterial enables a dynamic manipulation of the decay rate branching ratio of a probe quantum emitter by more than an order of magnitude. Our proposal may lead to practically lossless, tunable, and topologically reconfigurable quantum metamaterials, for single or few-photon-level applications as varied as quantum sensing, quantum information processing, and quantum simulations using metamaterials.

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  • Received 8 October 2015
  • Corrected 24 May 2016

DOI:https://doi.org/10.1103/PhysRevLett.116.165502

© 2016 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalCondensed Matter, Materials & Applied Physics

Corrections

24 May 2016

Erratum

Publisher’s Note: Coherence-Driven Topological Transition in Quantum Metamaterials [Phys. Rev. Lett. 116, 165502 (2016)]

Pankaj K. Jha, Michael Mrejen, Jeongmin Kim, Chihhui Wu, Yuan Wang, Yuri V. Rostovtsev, and Xiang Zhang
Phys. Rev. Lett. 116, 229903 (2016)

Authors & Affiliations

Pankaj K. Jha1, Michael Mrejen1, Jeongmin Kim1, Chihhui Wu1, Yuan Wang1, Yuri V. Rostovtsev2, and Xiang Zhang1,3,4,*

  • 1NSF Nanoscale Science and Engineering Center (NSEC), 3112 Etcheverry Hall, University of California, Berkeley, California 94720, USA
  • 2Center for Nonlinear Sciences and Department of Physics, University of North Texas, Denton, Texas 76203, USA
  • 3Materials Science Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road Berkeley, California 94720, USA
  • 4Department of Physics, King Abdulaziz University, Jeddah 21589, Saudi Arabia

  • *To whom all correspondence should be addressed. xiang@berkeley.edu

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Vol. 116, Iss. 16 — 22 April 2016

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