Detecting itinerant single microwave photons
Other text in scientific journal, 2016

Single-photon detectors are fundamental tools of investigation in quantum optics and play a central role in measurement theory and quantum informatics. Photodetectors based on different technologies exist at optical frequencies and much effort is currently being spent on pushing their efficiencies to meet the demands coming from the quantum computing and quantum communication proposals. In the microwave regime, however, a single-photon detector has remained elusive, although several theoretical proposals have been put forth. In this article, we review these recent proposals, especially focusing on non-destructive detectors of propagating microwave photons. These detection schemes using superconducting artificial atoms can reach detection efficiencies of 90% with the existing technologies and are ripe for experimental investigations. (C) 2016 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.

Single-photon detection

quantum-nondemolition measurements

Astronomy & Astrophysics

Microwave photons

Quantum nondemolition



Superconducting circuits



Sankar Raman Sathyamoorthy

Chalmers, Microtechnology and Nanoscience (MC2), Applied Quantum Physics

T. M. Stace

University of Queensland

Göran Johansson

Chalmers, Microtechnology and Nanoscience (MC2), Applied Quantum Physics

Comptes Rendus Physique

1631-0705 (ISSN) 18781535 (eISSN)

Vol. 17 7 756-765

Driving Forces

Sustainable development

Subject Categories

Physical Sciences



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