Generation and communication of photon-photon and atom-atom entangled states

Gershon Kurizki; Inbal Friedler; David Petrosyan

doi:10.1117/12.504756

3 February 2004 Generation and communication of photon-photon and atom-atom entangled states

Gershon Kurizki, Inbal Friedler, David Petrosyan

Proceedings Volume 5161, Quantum Communications and Quantum Imaging; (2004) https://doi.org/10.1117/12.504756
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

We introduce and discuss two schemes for generation and transfer of photon-photon and atom-atom entanglement. First we propose a method to achieve a large conditional phase shift of a probe field in the presence of a single-photon control field whose carrier frequency is within the photonic band gap created by spatially-periodic modulation of the electromagnetically induced transparency resonance. Then we present the concept of a reversible transfer of the quantum state of two internally-translationally entangled fragments, formed by molecular dissociation, to a photon pair. Our scheme allows, in principle, high-fidelity state transfer from the entangled dissociated fragments to light, thereby producing a highly correlated photon pair. This process can be followed by its reversal at a distant node of a quantum network resulting in the recreation of the original two-fragment entangled state. The proposed schemes may have advantageous applications in quantum teleportation, cryptography, and quantum computation.

Citation Download Citation

Gershon Kurizki, Inbal Friedler, and David Petrosyan "Generation and communication of photon-photon and atom-atom entangled states", Proc. SPIE 5161, Quantum Communications and Quantum Imaging, (3 February 2004); https://doi.org/10.1117/12.504756

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