We illuminate a photon-number-resolving transition edge sensor with strong pulses of light containing up to 6.7 million photons. We show that the sensor operates from the single-photon-counting regime to picowatt levels of light.
© 2012 OSA
T. Gerrits, B. Calkins, A. E. Lita, A. Migdall, R. Mirin, and S. W. Nam, "Extending Single-Photon Optimized Superconducting Transition Edge Sensors beyond the single-photon counting regime," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (Optical Society of America, 2012), paper QTu3E.2.
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