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Abstract Submitted for the MAR12 Meeting of The American Physical Society Sorting Category: 06.1.3 (T) Coupling quantum microwave circuits to quantum optics via cavity electro-optic modulators1 MANKEI TSANG, National University of Singapore — Experimental circuit quantum electrodynamics has made great strides in recent years, but it remains an open question how the quantum information stored in the microwave circuits can be transferred for long distances. Just as in classical information, the most promising solution is to convert the microwave fields to optical frequencies, where ultra-low-loss photonic devices such as optical fibers can be used. Here I propose the use of cavity electro-optic modulators for coherent coupling between microwave and optical fields. The electrooptic effect is the change in optical refractive index in certain materials, such as lithium niobate, under an applied voltage. Leveraging the fact that cavity electro-optics has the same physics as cavity optomechanics, a cavity electro-optic modulator can realize various joint quantum operations on the microwave and optical fields, including coherent frequency conversion, laser cooling of microwave resonance, hybrid entanglement, hybrid parametric amplification and oscillation, and optical quantumnondemolition measurements of microwave quadrature and energy. 1 This material is based on work supported by the Singapore National Research Foundation under NRF Grant No. NRF-NRFF2011-07. X Prefer Oral Session Prefer Poster Session Date submitted: 27 Dec 2011 Mankei Tsang [email protected] National University of Singapore Electronic form version 1.4