Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session V28: Quantum Measurement with Amplifiers and Photon Detectors
2:30 PM–5:06 PM,
Thursday, March 7, 2019
BCEC
Room: 161
Sponsoring
Unit:
DQI
Chair: Luke Govia, BBN Technologies
Abstract: V28.00008 : Microwave photo-multiplication based on inelastic Cooper-pair tunneling
4:18 PM–4:30 PM
Presenter:
Romain Albert
(CEA Grenoble)
Authors:
Romain Albert
(CEA Grenoble)
Florian Blanchet
(CEA Grenoble)
Dibyendu Hazra
(University of Aalto)
Juha Leppaekangas
(Karlsruher Institut für Technologie)
Salha Jebari
(University of Oxford)
Max Hofheinz
(University of Sherbrooke)
By designing particular high impedance electromagnetic environments, processes involving 3 or more photons can become dominant. In this case, we can show that the energy of a tunneling Cooper pair can be used to convert an incoming single photon state into a n-photon Fock state in a different mode. By cascading two of these multiplication stages followed by linear amplification, this device can discriminate itinerant single photon state from vacuum without dead time.
[Westig17] Phys. Rev. Lett. 119, 137001
[Grimm18] ArXiv:1804.10596
[Jebari18] Nature Electronics volume 1, p223–227
[Leppäkangas18] Phys. Rev. A 97, 013855
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