Coupling efficiencies in single photon on-demand sources

Stefania Castelletto; Ivo Pietro Degiovanni; Michael Ware; Alan L. Migdall

doi:10.1117/12.504773

3 February 2004 Coupling efficiencies in single-photon on-demand sources

Stefania Castelletto, Ivo Pietro Degiovanni, Michael Ware, Alan L. Migdall

Proceedings Volume 5161, Quantum Communications and Quantum Imaging; (2004) https://doi.org/10.1117/12.504773
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Many quantum computation and communication schemes require, or would significantly benefit from, true sources of single photon on-demand (SPOD). Unfortunately, such sources do not exist. It is becoming increasingly clear that coupling photons out of a SPOD source will be a limiting factor in many SPOD implementations. In particular, coupling these source outputs into optical fibers (usually single mode fibers) is often the preferred method for handling this light. We investigate the practical limits to this coupling as relates to parametric downconversion, an important starting point for many SPOD schemes. We also explored whether it is possible to optimize the engineering of the downconversion sources to improve on this coupling. We present our latest results in this area.

Citation Download Citation

Stefania Castelletto, Ivo Pietro Degiovanni, Michael Ware, and Alan L. Migdall "Coupling efficiencies in single-photon on-demand sources", Proc. SPIE 5161, Quantum Communications and Quantum Imaging, (3 February 2004); https://doi.org/10.1117/12.504773

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