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Dispersive Quantum Interface With Atoms And Nanophotonic Waveguides, Xiaodong Qi
Dispersive Quantum Interface With Atoms And Nanophotonic Waveguides, Xiaodong Qi
Physics & Astronomy ETDs
Strong coupling between atoms and light is critical for quantum information processing and precise sensing. A nanophotonic waveguide is a promising platform for realizing an atom-light interface that reaches the strong coupling regime. In this dissertation, we study the dispersive response theory of the nanowaveguide system as the means to create an entangling atom-light interface, with applications to quantum non-demolition (QND) measurement and spin squeezing.
We calculate the dyadic Green's function, which determines the scattering of light by atoms in the presence of a nanowaveguide, and thus the phase shift and polarization rotation induced on the guided light. The Green's …