Atom–light interactions in photonic crystals

A. Goban, C.-L. Hung, S.-P. Yu, J.D. Hood, J.A. Muniz, J.H. Lee, M.J. Martin, A.C. McClung, K.S. Choi, D.E. Chang, O. Painter and H.J. Kimble ()
Additional contact information
A. Goban: Norman Bridge Laboratory of Physics 12-33, California Institute of Technology
C.-L. Hung: Norman Bridge Laboratory of Physics 12-33, California Institute of Technology
S.-P. Yu: Norman Bridge Laboratory of Physics 12-33, California Institute of Technology
J.D. Hood: Norman Bridge Laboratory of Physics 12-33, California Institute of Technology
J.A. Muniz: Norman Bridge Laboratory of Physics 12-33, California Institute of Technology
J.H. Lee: Norman Bridge Laboratory of Physics 12-33, California Institute of Technology
M.J. Martin: Norman Bridge Laboratory of Physics 12-33, California Institute of Technology
A.C. McClung: Norman Bridge Laboratory of Physics 12-33, California Institute of Technology
K.S. Choi: Spin Convergence Research Center 39-1, Korea Institute of Science and Technology
D.E. Chang: ICFO—Institut de Ciencies Fotoniques, Mediterranean Technology Park
O. Painter: Institute for Quantum Information and Matter, California Institute of Technology
H.J. Kimble: Norman Bridge Laboratory of Physics 12-33, California Institute of Technology

Nature Communications, 2014, vol. 5, issue 1, 1-9

Abstract: Abstract The integration of nanophotonics and atomic physics has been a long-sought goal that would open new frontiers for optical physics, including novel quantum transport and many-body phenomena with photon-mediated atomic interactions. Reaching this goal requires surmounting diverse challenges in nanofabrication and atomic manipulation. Here we report the development of a novel integrated optical circuit with a photonic crystal capable of both localizing and interfacing atoms with guided photons. Optical bands of a photonic crystal waveguide are aligned with selected atomic transitions. From reflection spectra measured with average atom number , we infer that atoms are localized within the waveguide by optical dipole forces. The fraction of single-atom radiative decay into the waveguide is Γ1D/Γ′≃(0.32±0.08), where Γ1D is the rate of emission into the guided mode and Γ′ is the decay rate into all other channels. Γ1D/Γ′ is unprecedented in all current atom–photon interfaces.

Date: 2014
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DOI: 10.1038/ncomms4808

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