Nicolas Bourlet
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View article: Influence of bias-voltage noise on the inelastic cooper-pair tunneling amplifier (ICTA)
Influence of bias-voltage noise on the inelastic cooper-pair tunneling amplifier (ICTA) Open
We experimentally show that the inelastic cooper-pair tunneling amplifier (ICTA), implementing a DC-powered parametric amplification scheme, can achieve gain and noise performance similar to that of AC-powered Josephson parametric amplifie…
View article: Influence of bias voltage noise on the Inelastic Cooper-Pair Tunneling Amplifier (ICTA)
Influence of bias voltage noise on the Inelastic Cooper-Pair Tunneling Amplifier (ICTA) Open
We experimentally show that the Inelastic Cooper-Pair Tunneling Amplifier (ICTA), implementing a DC-powered parametric amplification scheme, can achieve gain and noise performance similar to that of Josephson parametric amplifiers. Using e…
View article: Microwave Photon-Number Amplification
Microwave Photon-Number Amplification Open
We experimentally demonstrate a microwave photon-multiplication scheme which combines the advantages of a single-photon detector and a power meter by multiplying the incoming photon number by an integer factor. Our first experimental imple…
View article: Microwave photon-number amplification
Microwave photon-number amplification Open
So far, quantum-limited power meters are not available in the microwave domain, hindering measurement of photon number in itinerant quantum states. On the one hand, single photon detectors accurately detect single photons, but saturate as …
View article: Reply to “Comment on ‘Absence of a Dissipative Quantum Phase Transition in Josephson Junctions”’
Reply to “Comment on ‘Absence of a Dissipative Quantum Phase Transition in Josephson Junctions”’ Open
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View article: Microscopic charged fluctuators as a limit to the coherence of disordered superconductor devices
Microscopic charged fluctuators as a limit to the coherence of disordered superconductor devices Open
By performing experiments with thin-film resonators of NbSi, we elucidate a decoherence mechanism at work in disordered superconductors. This decoherence is caused by charged Two Level Systems (TLS) which couple to the conduction electrons…