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single-photon detector News
Scattered Photons Transfer Quantum Coherence in Free Space
WATERLOO, Ontario, June 15, 2021 — Researchers at the University of Waterloo report the first successful transfer and recovery of quantum coherence using photons scattered in free space. The work points toward research opportunities and applications in fields ranging from quantum communication to imaging and beyond. Quantum coherence, while fundamental to applications of quantum technology, has been difficult to transfer in free space. It has so far been limited to direct line-of-sight channels as quality degrades severely
Superconducting Nanowire Single-Photon Detector Sets Efficiency Record
SHANGHAI, Nov. 13, 2017 — Researchers have demonstrated the fabrication and operation of a superconducting nanowire single photon detector (SNSPD) with detection efficiency that they believe is the highest on record. The photodetector is made of polycrystalline NbN with...
Nanowire Detector Assists Three-Photon Entanglement
WATERLOO, Ontario, Canada, Sept. 15, 2014 — An ultrafast, super-efficient single-photon detector has led to direct entanglement of three photons. Researchers at the University of Waterloo, with help from a team at the National Institute of Standards and Technology (NIST), made the discovery...
OKI Develops Light Source
Jun 1, 2012 — Telecommunications company OKI Electric Industry of Tokyo has announced its development of a quantum entangled light source that offers the highest purity level achieved to date. The source is based on cascaded nonlinear optical effects using a...
OKI Develops Entangled Light Source
TOKYO, Feb. 21, 2012 — The telecommunications company developed the world’s purest quantum entangled light source.
Single-photon converter expands IR spectrometry
GAITHERSBURG, Md. – A cleverly designed single-photon detector has enabled scientists at the National Institute of Standards and Technology (NIST) to develop a highly sensitive and low-cost spectrometer that operates in the infrared. The technique could be used in...
BBN Technologies Demos Photon Detector
Mar 16, 2006 — CAMBRIDGE, Mass., March 16, 2006 -- A single-photon detector designed for standard telecommunications fibers that is 20 times faster than today's benchmark device -- and could become even faster -- was recently demonstrated by BBN Technologies, a...
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April 2024
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