Waveguide-coupled single collective excitation of atomic arrays

被引：159

作者：

Corzo, Neil V. ^{[1
,2
]}

Raskop, Jeremy ^{[1
]}

Chandra, Aveek ^{[1
]}

Sheremet, Alexandra S. ^{[1
]}

Gouraud, Baptiste ^{[1
,3
]}

Laurat, Julien ^{[1
]}

机构：

[1] Sorbonne Univ, ENS Univ PSL, CNRS, Lab Kastler Brossel,Coll France, Paris, France

[2] Inst Politecn Nacl, Unidad Queretaro, Ctr Invest & Estudios Avanzados, Queretaro, Mexico

[3] Univ Basel, Dept Phys, Basel, Switzerland

来源：

NATURE | 2019年 / 566卷 / 7744期

基金：

欧洲研究理事会;

关键词：

QUANTUM COMMUNICATION; PHOTON; ENSEMBLES; LIGHT;

D O I：

10.1038/s41586-019-0902-3

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Considerable efforts have been recently devoted to combining ultracold atoms and nanophotonic devices(1-4) to obtain not only better scalability and figures of merit than in free-space implementations, but also new paradigms for atom-photon interactions(5). Dielectric waveguides offer a promising platform for such integration because they enable tight transverse confinement of the propagating light, strong photon-atom coupling in single-pass configurations and potentially long-range atom-atom interactions mediated by the guided photons. However, the preparation of non-classical quantum states in such atom-waveguide interfaces has not yet been realized. Here, by using arrays of individual caesium atoms trapped along an optical nanofibre(6,7), we observe a single collective atomic excitation(8,9) coupled to a nanoscale waveguide. The stored collective entangled state can be efficiently read out with an external laser pulse, leading to on-demand emission of a single photon into the guided mode. We characterize the emitted single photon via the suppression of the two-photon component and confirm the single character of the atomic excitation, which can be retrieved with an efficiency of about 25%. Our results demonstrate a capability that is essential for the emerging field of waveguide quantum electrodynamics, with applications to quantum networking, quantum nonlinear optics and quantum many-body physics(10,11).

引用

页码：359 / +

页数：8

共 38 条

[1] Exponential Improvement in Photon Storage Fidelities Using Subradiance and "Selective Radiance" in Atomic Arrays [J].

Asenjo-Garcia, A. ;

Moreno-Cardoner, M. ;

Albrecht, A. ;

Kimble, H. J. ;

Chang, D. E. .

PHYSICAL REVIEW X, 2017, 7 (03)

[2] Clocked atom delivery to a photonic crystal waveguide [J].

Burgers, A. P. ;

Peng, L. S. ;

Muniz, J. A. ;

McClung, A. C. ;

Martin, M. J. ;

Kimble, H. J. .

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2019, 116 (02) :456-465

[3] Colloquium: Quantum matter built from nanoscopic lattices of atoms and photons [J].

Chang, D. E. ;

Douglas, J. S. ;

Gonzalez-Tudela, A. ;

Hung, C. -L. ;

Kimble, H. J. .

REVIEWS OF MODERN PHYSICS, 2018, 90 (03)

[4]

Chang DE, 2014, NAT PHOTONICS, V8, P685, DOI [10.1038/nphoton.2014.192, 10.1038/NPHOTON.2014.192]

[5]

Chou C.-W, 2006, THESIS

[6] Functional quantum nodes for entanglement distribution over scalable quantum networks [J].

Chou, Chin-Wen ;

Laurat, Julien ;

Deng, Hui ;

Choi, Kyung Soo ;

de Riedmatten, Hugues ;

Felinto, Daniel ;

Kimble, H. Jeff .

SCIENCE, 2007, 316 (5829) :1316-1320

[7] Single-photon generation from stored excitation in an atomic ensemble [J].

Chou, CW ;

Polyakov, SV ;

Kuzmich, A ;

Kimble, HJ .

PHYSICAL REVIEW LETTERS, 2004, 92 (21) :213601-1

[8] Large Bragg Reflection from One-Dimensional Chains of Trapped Atoms Near a Nanoscale Waveguide [J].

Corzo, Neil V. ;

Gouraud, Baptiste ;

Chandra, Aveek ;

Goban, Akihisa ;

Sheremet, Alexandra S. ;

Kupriyanov, Dmitriy V. ;

Laurat, Julien .

PHYSICAL REVIEW LETTERS, 2016, 117 (13)

[9] Direct measurement of decoherence for entanglement between a photon and stored atomic excitation [J].

de Riedmatten, H. ;

Laurat, J. ;

Chou, C. W. ;

Schomburg, E. W. ;

Felinto, D. ;

Kimble, H. J. .

PHYSICAL REVIEW LETTERS, 2006, 97 (11)

[10]

Dong Y, 2017, WAVEGUIDE QED TOOLBO

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