Conditional preparation of single photons for scalable quantum-optical networking

Details Conditional preparation of single photons for scalable quantum-optical networking Conditional preparation of single photons for scalable quantum-optical networking

2003-12-13

arxiv.org/abs/quant-ph/0312118v1

Physical Review Letters 93 093601 (2004)

Physics

Quantum Physics

4 pages; 3 figures

Scientific paper

10.1103/PhysRevLett.93.093601

A fundamental prerequisite for the implementation of linear optical quantum computation is a source of single-photon wavepackets capable of high-visibility interference in scalable networks. These conditions can be met with micro-structured waveguides in conjunction with ultra-short classical timing pulses. By exploiting a novel type-II phasematching configuration we demonstrate a waveguided single photon source exhibiting a conditional detection efficiency exceeding 51% (which corresponds to a preparation efficiency of 85%) and extraordinarily high detection rates of up to 8.5x10^5 coincidences/[s.mW].

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