Probabilistic generation of entanglement in optical cavities

Abstract

We propose to produce entanglement by measuring the transmission of an optical cavity. Conditioned on the detection of a reflected photon, pairs of atoms in the cavity are prepared in maximally entangled states. The success probability depends on the cavity parameters, but high quality entangled states may be produced with a high probability even for cavities of moderate quality.

4+epsilon pages, including 3 figures. v2: improved discussion of imperfections. v3: corrected typos in Eqs. (3) and (4) + minor changes. v4: improved discussion of ring cavity

References in corpus (3)

• Long-distance quantum communication with atomic ensembles and linear optics
• Experimental long-lived entanglement of two macroscopic objects
• Quasi-deterministic generation of entangled atoms in a cavity

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