25 May 2005 Practical single photon source for quantum communications
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We describe a robust heralded single photon source based on parametric down conversion of CW 532-nm light in a periodically polled KTP waveguide. Low required pump power (sub-mW), reasonable operational temperature (43oC), high heralding efficiency (60%), and narrow spectral width of the heralded photons (sub-nm) make it an ideal light source for long-distance quantum communications.
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Anton Zavriyev, Anton Zavriyev, Alexei Trifonov, Alexei Trifonov, P. Battle, P. Battle, D. Mohatt, D. Mohatt, E. Noonan, E. Noonan, T. Roberts, T. Roberts, } "Practical single photon source for quantum communications", Proc. SPIE 5815, Quantum Information and Computation III, (25 May 2005); doi: 10.1117/12.603470; https://doi.org/10.1117/12.603470

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