Entangled light pulses from single cold atoms

Giovanna Morigi, Jürgen Eschner, Stefano Mancini, David Vitali

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50 Citations (Scopus)

Abstract

The coherent interaction between a laser-driven single trapped atom and an optical high-finesse resonator allows one to produce entangled multiphoton light pulses on demand. The mechanism is based on the mechanical effect of light. The degree of entanglement can be controlled through the parameters of the laser excitation. Experimental realization of the scheme is within reach of current technology. A variation of the technique allows for controlled generation of entangled subsequent pulses, with the atomic motion serving as intermediate memory of the quantum state. © 2006 The American Physical Society.
Original languageEnglish
Article number023601
JournalPhysical Review Letters
Volume96
DOIs
Publication statusPublished - 20 Jan 2006

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