Coherent-state information concentration and purification in atomic memory

Jiří Herec; Radim Filip

doi:10.1117/12.739723

12 April 2007 Coherent-state information concentration and purification in atomic memory

Jiří Herec, Radim Filip

Proceedings Volume 6609, 15th Czech-Polish-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics; 66091J (2007) https://doi.org/10.1117/12.739723
Event: 15th Czech-Polish-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics, 2006, Liberec, Czech Republic

Abstract

We propose a feasible method of coherent-state information concentration and purification utilizing quantum memory. The method allows us to optimally concentrate and purify information carried by many noisy copies of an unknown coherent state (randomly distributed in time) to a single copy. Thus non-classical resources and operations can be saved, if we compare information processing with many noisy copies and a single copy with concentrated and purified information.

Citation Download Citation

Jiří Herec and Radim Filip "Coherent-state information concentration and purification in atomic memory", Proc. SPIE 6609, 15th Czech-Polish-Slovak Conference on Wave and Quantum Aspects of Contemporary Optics, 66091J (12 April 2007); https://doi.org/10.1117/12.739723

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