Quantum Transport of Strongly Interacting Photons in a One-Dimensional Nonlinear Waveguide

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Quantum Transport of Strongly Interacting Photons in a One-Dimensional Nonlinear Waveguide

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dc.contributor.author Gritsev, Vladimir
dc.contributor.author Hafezi, Mohammad
dc.contributor.author Chang, Darrick E.
dc.contributor.author Demler, Eugene A.
dc.contributor.author Lukin, Mikhail D.
dc.date.accessioned 2012-02-09T18:09:49Z
dc.date.issued 2012
dc.identifier.citation Hafezi, Mohammad, Darrick E. Chang, Vladimir Gritsev, Eugene A. Demler, and Mikhail D. Lukin. 2012. Quantum transport of strongly interacting photons in a one-dimensional nonlinear waveguide. Physical Review A 85(1): 013822. en_US
dc.identifier.issn 1094-1622 en_US
dc.identifier.issn 1050-2947 en_US
dc.identifier.uri http://nrs.harvard.edu/urn-3:HUL.InstRepos:8148823
dc.description.abstract We present a theoretical technique for solving the quantum transport problem of a few photons through a one-dimensional, strongly nonlinear waveguide. We specifically consider the situation where the evolution of the optical field is governed by the quantum nonlinear Schrödinger equation. Although this kind of nonlinearity is quite general, we focus on a realistic implementation involving cold atoms loaded in a hollow-core optical fiber, where the atomic system provides a tunable nonlinearity that can be large even at a single-photon level. In particular, we show that when the interaction between photons is effectively repulsive, the transmission of multiphoton components of the field is suppressed. This leads to antibunching of the transmitted light and indicates that the system acts as a single-photon switch. On the other hand, in the case of attractive interaction, the system can exhibit either antibunching or bunching, which is in stark contrast to semiclassical calculations. We show that the bunching behavior is related to the resonant excitation of bound states of photons inside the system. en_US
dc.description.sponsorship Physics en_US
dc.language.iso en_US en_US
dc.publisher American Physical Review en_US
dc.relation.isversionof doi:10.1103/PhysRevA.85.013822 en_US
dc.relation.hasversion http://arxiv.org/abs/0911.4766 en_US
dash.license OAP
dc.subject quantum physics en_US
dc.title Quantum Transport of Strongly Interacting Photons in a One-Dimensional Nonlinear Waveguide en_US
dc.type Journal Article en_US
dc.description.version Author's Original en_US
dc.relation.journal Physical Review A en_US
dash.depositing.author Demler, Eugene A.
dc.date.available 2012-02-09T18:09:49Z

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  • FAS Scholarly Articles [7262]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University

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