期刊
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷 113, 期 38, 页码 10507-10512出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1603788113
关键词
quantum optics; nanophotonics; atomic physics
资金
- National Science Foundation (NSF) Grant [PHY 1205729]
- Air Force Office of Scientific Research Multidisciplinary University Research Initiative (MURI) for Quantum Memories in Photon-Atomic Solid-State Systems (QuMPASS)
- Institute for Quantum Information and Matter (IQIM), NSF Physics Frontiers Center
- Moore Foundation
- Office of Naval Research (ONR) Award [N00014-16-1-2399]
- ONR MURI for Quantum Opto-Mechanics with Atoms and Nanostructured Diamond (QOMAND)
- Department of Defense National Security Science and Engineering Faculty Fellowship (NSSEFF) Program
- Nakajima Foundation
- IQIM Postdoctoral Fellowship
- Global Marie Curie Fellowship [LANTERN 655701]
- International Fulbright Science and Technology Award
- Fundacio Privada Cellex Barcelona
- Marie Curie CIG ATOMNANO
- MINECO Severo Ochoa Grant [SEV-2015-0522]
- ERC Starting Grant FoQAL
- Direct For Mathematical & Physical Scien
- Division Of Physics [1205729] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Physics [1125565] Funding Source: National Science Foundation
Tailoring the interactions between quantum emitters and single photons constitutes one of the cornerstones of quantum optics. Coupling a quantum emitter to the band edge of a photonic crystal waveguide (PCW) provides a unique platform for tuning these interactions. In particular, the cross-over from propagating fields E(x) proportional to e(+/- ikxx) outside the bandgap to localized fields E(x) proportional to e(-kx vertical bar x vertical bar) within the bandgap should be accompanied by a transition from largely dissipative atom-atom interactions to a regime where dispersive atom-atom interactions are dominant. Here, we experimentally observe this transition by shifting the band edge frequency of the PCW relative to the D-1 line of atomic cesium for (N) over bar = 3.0 +/- 0.5 atoms trapped along the PCW. Our results are the initial demonstration of this paradigm for coherent atom-atom interactions with low dissipation into the guided mode.
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