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Title: Towards Single Photon Nonlinearities using Cavity EIT
Authors: Figueroa, Eden
Burkley, Zakary
Department of Physics.
Allison, Thomas
Perna, Rosalba.
Issue Date: 1-Dec-2014
Publisher: The Graduate School, Stony Brook University: Stony Brook, NY.
Abstract: In third order nonlinear mediums, the intensity of one optical field can modify the phase of another optical field. This is known as cross-phase modulation (XPM) and is important for Quantum Information Processing (QIP) as phase shifts of single-photons that exceed π rad can be used to implement two-qubit quantum logic gates. For a conventional XPM scheme, the Kerr nonlinearity responsible for XPM is too small for appreciable phase shifts to be achieved with low intensity optical fields. However, Electromagnetically Induced Transparency (EIT) can increase this nonlinearity by several orders of magnitude. This thesis discusses the experimental construction of a laser-atomic system capable of EIT modulated XPM. This includes construction of a rubidium magneto-optical trap (RbMOT), characterization of this RbMOT, demonstration of EIT in the RbMOT, and a system capable of detecting optical phase shifts produced by EIT. The talk will conclude with an outlook on further implementations to the experiment that will increase this nonlinearity such that phase shifts at the single-photon level are possible.
Description: 76 pg.
Appears in Collections:Stony Brook Theses and Dissertations Collection

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