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Tripartite Entanglement Generation via Four-Wave Mixings: Narrowband Triphoton W State

Authors Wen, Jianming
Oh, Eun
Du, Shengwang View this author's profile
Issue Date 2010
Source Journal of the Optical Society of America B: Optical Physics , v. 27, (6), 2010, JUN, p. A11-A20
Summary We propose a method to generate a narrowband triphoton W state entangled in time (or energy) via two four-wave mixing processes in cold atomic gas media. The calculation of such a triphoton W state is performed with second-order perturbation theory. To characterize the optical properties of the state, we analyze the two-photon and three-photon temporal correlations in the photon coincidence counting measurement. Considering the role of determining the time coherence of triphotons between the nonlinear susceptibilities and phase matchings, we concentrate on two regimes, damped Rabi oscillation and group delay, to look at the temporal correlations. To further enhance the nonlinear interactions, it may be promising to consider cold atoms confined within hollow fibers or loaded into a high-Q cavity. (C) 2010 Optical Society of America
ISSN 0740-3224
Rights We would like to give credit to the Optical Society of America for granting us permission to repost this Journal of Optical Society of America B article. The original article is posted on the journal's web site at
Language English
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