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Noise-free high-efficiency photon-number-resolving detectors

Published

Author(s)

Danna Rosenberg, Adriana Lita, Aaron J. Miller, Sae Woo Nam

Abstract

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.
Citation
Physical Review A (Atomic, Molecular and Optical Physics)
Volume
71

Keywords

Bell''''s inequality, linear optics quantum computing, photon detector, quantum efficiency, TES, transition-edge sensor

Citation

Rosenberg, D. , Lita, A. , Miller, A. and Nam, S. (2005), Noise-free high-efficiency photon-number-resolving detectors, Physical Review A (Atomic, Molecular and Optical Physics), [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=31919 (Accessed April 21, 2024)
Created June 16, 2005, Updated October 12, 2021