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https://hdl.handle.net/10356/101931
Title: | Quantum memory with a controlled homogeneous splitting | Authors: | Hétet, G. Chanelière, T. Wilkowski, David |
Keywords: | DRNTU::Science::Physics | Issue Date: | 2013 | Source: | Hétet, G., Wilkowski, D., & Chanelière, T. (2013). Quantum memory with a controlled homogeneous splitting. New journal of physics, 15(4), 045015-. | Series/Report no.: | New journal of physics | Abstract: | We propose a quantum memory protocol where an input light field can be stored onto and released from a single ground state atomic ensemble by controlling dynamically the strength of an external static and homogeneous field. The technique relies on the adiabatic following of a polaritonic excitation onto a state for which the forward collective radiative emission is forbidden. The resemblance with the archetypal electromagnetically induced transparency is only formal because no ground state coherence-based slow-light propagation is considered here. As compared to the other grand category of protocols derived from the photon-echo technique, our approach only involves a homogeneous static field. We discuss two physical situations where the effect can be observed, and show that in the limit where the excited state lifetime is longer than the storage time; the protocols are perfectly efficient and noise free. We compare the technique with other quantum memories, and propose atomic systems where the experiment can be realized. | URI: | https://hdl.handle.net/10356/101931 http://hdl.handle.net/10220/18833 |
ISSN: | 1367-2630 | DOI: | 10.1088/1367-2630/15/4/045015 | Schools: | School of Physical and Mathematical Sciences | Rights: | © 2013 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. This paper was published in New Journal of Physics and is made available as an electronic reprint (preprint) with permission of IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. The paper can be found at the following official DOI: [http://dx.doi.org/10.1088/1367-2630/15/4/045015]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SPMS Journal Articles |
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Quantum memory with a controlled homogeneous splitting.pdf | 441.37 kB | Adobe PDF | View/Open |
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