Phys. Rev. A 71, 061803(R) (2005) [4 pages]Noise-free high-efficiency photon-number-resolving detectorsSee Also: Publisher's Note
High-efficiency optical detectors that can determine the number of photons in a pulse of monochromatic light have applications in a variety of physics studies, including post-selection-based entanglement protocols for linear optics quantum computing and experiments that simultaneously close the detection and communication loopholes of Bell’s inequalities. Here we report on our demonstration of fiber-coupled, noise-free, photon-number-resolving transition-edge sensors with 88% efficiency at 1550 nm. The efficiency of these sensors could be made even higher at any wavelength in the visible and near-infrared spectrum without resulting in a higher dark-count rate or degraded photon-number resolution. URL:
http://link.aps.org/doi/10.1103/PhysRevA.71.061803
DOI:
10.1103/PhysRevA.71.061803
PACS:
42.50.Ar, 85.25.Pb, 85.25.Oj
See AlsoPublisher's Note: D. Rosenberg, Adriana E. Lita, Aaron J. Miller, and Sae Woo Nam, Publisher's Note: Noise-free high-efficiency photon-number-resolving detectors [Phys. Rev. A 71, 061803 (2005)], Phys. Rev. A 72, 019901 (2005). |
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