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  Optimization of selective two-photon absorption in cavity polaritons

Carnio, E. G., Buchleitner, A., & Schlawin, F. (2021). Optimization of selective two-photon absorption in cavity polaritons. The Journal of Chemical Physics, 154(21): 214114. doi:10.1063/5.0049863.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0008-DFBF-7 Version Permalink: https://hdl.handle.net/21.11116/0000-000B-EE9A-C
Genre: Journal Article

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2021
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© Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license.
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https://dx.doi.org/10.1063/5.0049863 (Publisher version)
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https://arxiv.org/abs/2106.04171 (Preprint)
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 Creators:
Carnio, E. G.1, 2, Author
Buchleitner, A.1, 2, Author
Schlawin, F.3, 4, 5, Author           
Affiliations:
1Physikalisches Institut, Albert-Ludwigs-Universität Freiburg, ou_persistent22              
2EUCOR Centre for Quantum Science and Quantum Computing, Albert-Ludwigs-Universität Freiburg, ou_persistent22              
3Condensed Matter Dynamics Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_1938285              
4The Hamburg Centre for Ultrafast Imaging, ou_persistent22              
5Clarendon Laboratory, University of Oxford, ou_persistent22              

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 Abstract: We investigate optimal states of photon pairs to excite a target transition in a multilevel quantum system. With the help of coherent control theory for two-photon absorption with quantum light, we infer the maximal population achievable by optimal entangled vs separable states of light. Interference between excitation pathways as well as the presence of nearby states may hamper the selective excitation of a particular target state, but we show that quantum correlations can help to overcome this problem and enhance the achievable “selectivity” between two energy levels, i.e., the relative difference in population transferred into each of them. We find that the added value of optimal entangled states of light increases with broadening linewidths of the target states.

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Language(s): eng - English
 Dates: 2021-03-102021-05-172021-06-072021-07-07
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1063/5.0049863
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Project name : -
Grant ID : 319286
Funding program : Funding Programme 7 (FP7)
Funding organization : European Commission (EC)
Project name : This work was supported by the European Research Council under the European Union’s Seventh Framework Programme (FP7/2007-2013), Grant Agreement No. 319286 Q-MAC. E.G.C. acknowledges support from the Georg H. Endress Foundation. F.S. acknowledges support from the Cluster of Excellence “Advanced Imaging of Matter” of the Deutsche Forschungsgemeinschaft (DFG)—EXC 2056—Project ID 390715994.
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Title: The Journal of Chemical Physics
  Abbreviation : J. Chem. Phys.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Institute of Physics
Pages: - Volume / Issue: 154 (21) Sequence Number: 214114 Start / End Page: - Identifier: ISSN: 0021-9606
CoNE: https://pure.mpg.de/cone/journals/resource/954922836226