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21 May 2015 High heralding-efficiency of near-IR fiber coupled photon pairs for quantum technologies
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We report on the development and use of a high heralding-efficiency, single-mode-fiber coupled telecom-band source of entangled photons for quantum technology applications. The source development efforts consisted of theoretical and experimental efforts and we demonstrated a correlated-mode coupling efficiency of 97% ± 2%, the highest efficiency yet achieved for this type of system. We then incorporated these beneficial source development techniques in a Sagnac configured telecom-band entangled photon source that generates photon pairs entangled in both time/energy and polarization degrees of freedom. We made use of these highly desirable entangled states to investigate several promising quantum technologies.
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P. Ben Dixon, Ryan Murphy, Danna Rosenberg, Matthew E. Grein, Veronika Stelmakh, Ryan S. Bennink, and Franco N. C. Wong "High heralding-efficiency of near-IR fiber coupled photon pairs for quantum technologies", Proc. SPIE 9500, Quantum Information and Computation XIII, 950016 (21 May 2015);


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