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  Atomic waveguide QED with atomic dimers

Castells Graells, D., Malz, D., Rusconi, C. C., & Cirac, J. I. (2021). Atomic waveguide QED with atomic dimers. Physical Review A, 104(6): 063707. doi:10.1103/PhysRevA.104.063707.

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2107.10813v1 (Preprint), 760KB
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 Creators:
Castells Graells, David1, 2, Author              
Malz, Daniel1, 2, Author              
Rusconi, Cosimo Carlo1, 2, Author              
Cirac, J. Ignacio1, 2, Author              
Affiliations:
1Theory, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445571              
2MCQST - Munich Center for Quantum Science and Technology, External Organizations, ou_3330166              

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Free keywords: Quantum Physics, quant-ph
 Abstract: Quantum emitters coupled to a waveguide is a paradigm of quantum optics, whose essential properties are described by waveguide quantum electrodynamics (QED). We study the possibility of observing the typical features of the conventional waveguide QED scenario in a system where the role of the waveguide is played by a one-dimensional subwavelength atomic array. For the role of emitters, we propose to use anti-symmetric states of atomic dimers - a pair of closely spaced atoms - as effective two-level systems, which significantly reduces the effect of free-space spontaneous emission. We solve the dynamics of the system both when the dimer frequency lies inside and when it lies outside the band of modes of the array. Along with well-known phenomena of collective emission into the guided modes and waveguide mediated long-range dimer-dimer interactions, we uncover significant non-Markovian corrections which arise from both the finiteness of the array and through retardation effects.

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Language(s): eng - English
 Dates: 2021-07-222021-11-222021-12-132021-12
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: arXiv: 2107.10813v1
DOI: 10.1103/PhysRevA.104.063707
Other: 6227
 Degree: -

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Project name : ERC Advanced Grant QENOCOBA
Grant ID : 742102
Funding program : EU Horizon 2020 program
Funding organization : European Commission (EC)

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Title: Physical Review A
  Other : Physical Review A: Atomic, Molecular, and Optical Physics
  Other : Phys. Rev. A
Source Genre: Journal
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Publ. Info: New York, NY : American Physical Society
Pages: - Volume / Issue: 104 (6) Sequence Number: 063707 Start / End Page: - Identifier: ISSN: 1050-2947
CoNE: https://pure.mpg.de/cone/journals/resource/954925225012_2