Nonlinear Optics and Quantum Entanglement of Ultraslow Single Photons
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- 14 February 2000
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 84 (7), 1419-1422
- https://doi.org/10.1103/physrevlett.84.1419
Abstract
Two light pulses propagating with slow group velocities in a coherently prepared atomic gas exhibit dissipation-free nonlinear coupling of an unprecedented strength. This enables a single-photon pulse to coherently control or manipulate the quantum state of the other. Processes of this kind result in generation of entangled states of radiation field and open up new prospectives for quantum information processing.Keywords
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