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Superradiance for atoms trapped along a photonic crystal waveguide

Goban, A. and Hung, C.-L. and Hood, J. D. and Yu, S.-P. and Muniz, J. A. and Painter, O. and Kimble, H. J. (2015) Superradiance for atoms trapped along a photonic crystal waveguide. Physical Review Letters, 115 (6). Art. No. 063601. ISSN 0031-9007. doi:10.1103/PhysRevLett.115.063601.

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We report observations of superradiance for atoms trapped in the near field of a photonic crystal waveguide (PCW). By fabricating the PCW with a band edge near the D_1 transition of atomic cesium, strong interaction is achieved between trapped atoms and guided-mode photons. Following short-pulse excitation, we record the decay of guided-mode emission and find a superradiant emission rate scaling as Γ_(SR)∝NΓ_(1D) for average atom number 0.19≲N ≲2.6 atoms, where Γ_(1D)/Γ′=1.0±0.1 is the peak single-atom radiative decay rate into the PCW guided mode, and Γ′ is the radiative decay rate into all the other channels. These advances provide new tools for investigations of photon-mediated atom-atom interactions in the many-body regime.

Item Type:Article
Related URLs:
URLURL TypeDescription DOIArticle Material Paper
Hung, C.-L.0000-0002-6879-3639
Yu, S.-P.0000-0003-1348-7447
Painter, O.0000-0002-1581-9209
Additional Information:© 2015 American Physical Society. Received 14 March 2015; published 5 August 2015. We gratefully acknowledge the contributions of D. J. Alton, D. E. Chang, K. S. Choi, J. D. Cohen, J. H. Lee, M. Lu, M. J. Martin, A. C. McClung, S. M. Meenehan, R. Norte, and L. Peng. Funding is provided by the IQIM, an NSF Physics Frontiers Center with support of the Moore Foundation and by the DOD NSSEFF program (H. J. K.), the AFOSR QuMPASS MURI, NSF Grant No. PHY-1205729 (H. J. K.), and the DARPA ORCHID program. A. G. is supported by the Nakajima Foundation. S.-P. Y. and J. A. M. acknowledge support from the International Fulbright Science and Technology Award. A. G., C.-L. H., J. D. H., and S.-P. Y. contributed equally to this research.
Group:Institute for Quantum Information and Matter, Kavli Nanoscience Institute
Funding AgencyGrant Number
Institute for Quantum Information and Matter (IQIM)UNSPECIFIED
NSF Physics Frontier CenterUNSPECIFIED
Gordon and Betty Moore FoundationUNSPECIFIED
National Security Science and Engineering Faculty FellowshipUNSPECIFIED
Air Force Office of Scientific Research (AFOSR)UNSPECIFIED
Defense Advanced Research Projects Agency (DARPA)UNSPECIFIED
Nakajima FoundationUNSPECIFIED
Fulbright FoundationUNSPECIFIED
Issue or Number:6
Classification Code:PACS numbers: 42.50.Ct, 37.10.Gh, 42.70.Qs
Record Number:CaltechAUTHORS:20150317-085504145
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:55832
Deposited By: Joy Painter
Deposited On:17 Mar 2015 16:09
Last Modified:10 Nov 2021 20:50

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