Efficient Interaction of Heralded X-Ray Photons with a Beam Splitter

We report the experimental demonstration of efficient interaction of multi-kilo-electron-volt heralded x-ray photons with a beam splitter. The measured heralded photon rate at the outputs of the beam splitter is about 0.01 counts / s which is comparable to the rate in the absence of the beam splitte...

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Bibliographic Details
Published in:Physical review letters 2021-07, Vol.127 (1), p.1-013603, Article 013603
Main Authors: Strizhevsky, E, Borodin, D, Schori, A, Francoual, S, Röhlsberger, R, Shwartz, S
Format: Article
Language:English
Subjects:
PARTICLE ACCELERATORS
Photon beams
Photons
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Quantum optics
X-rays
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Summary:We report the experimental demonstration of efficient interaction of multi-kilo-electron-volt heralded x-ray photons with a beam splitter. The measured heralded photon rate at the outputs of the beam splitter is about 0.01 counts / s which is comparable to the rate in the absence of the beam splitter. We use this beam splitter together with photon number and photon energy resolving detectors to show directly that when a single x-ray photon interacts with a beam splitter it can only be detected at either of the ports of the beam splitter but not at both simultaneously, leading to a strong anticorrelation between the detection events at the two output ports. Our experiment demonstrates the major advantage of x rays for quantum optics-the possibility to observe experimental results with high fidelity and with negligible background.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.127.013603