Periodic single-photon source and quantum memory

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https://www.spiedigitallibrary.org/conference-proceedings-of-spie/5161/0000/Periodic-single-photon-source-and-quantum-memory/10.1117/12.504887.short

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https://doi.org/10.1117/12.504887
 http://hdl.handle.net/11603/19331

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UMBC Physics Department
UMBC Joint Center for Earth Systems Technology (JCET)

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2004-02-03

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conference papers and proceedings
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Todd B. Pittman, Michael J. Fitch, Bryan C. Jacobs, and James D. Franson "Periodic single-photon source and quantum memory", Proc. SPIE 5161, Quantum Communications and Quantum Imaging, (3 February 2004); https://doi.org/10.1117/12.504887

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©2004 Society of Photo-Optical Instrumentation Engineers (SPIE). One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

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Abstract

Although there has been tremendous progress in the development of true “on-demand” single-photon sources, periodic or “pseudodemand” single-photon sources can be a sufficient resource for many optical quantum information processing applications. Here we review a recent experimental demonstration of a periodic single-photon source based on parametric down-conversion photon pairs, optical storage loops, and high-speed switching. We also review an experiment in which high speed switching and storage loops were used to implement a periodic quantum memory device for polarization-encoded single-photon qubits. Finally, we describe a method in which two of these periodic quantum memory devices are used to facilitate the production of a periodic source of entangled photon pairs. These experiments and proposals are all motivated within the context of linear optics quantum computing.