Searched for: author%3A%22Zichi%2C+Julien%22
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Branny, Artur (author), Didier, Pierre (author), Zichi, Julien (author), Esmaeil Zadeh, I.Z. (author), Steinhauer, Stephan (author), Zwiller, Val (author), Vogt, Ulrich (author)
We characterized the performance of abiased superconducting nanowire to detect X-ray photons. The device, made of a 10 nm thin NbTiN film and fabricated on a dielectric substrate (SiO2, Nb3O5) detected 1000 times larger signal than anticipated from direct X-ray absorption. We attributed this effect to X-ray induced generation of secondary...
journal article 2021
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Elshaari, Ali W. (author), Iovan, Adrian (author), Gyger, Samuel (author), Esmaeil Zadeh, I.Z. (author), Zichi, Julien (author), Yang, Lily (author), Steinhauer, Stephan (author), Zwiller, Val (author)
We use dispersion engineering to control the signal propagation speed in the feed lines of superconducting single-photon detectors. Using this technique, we demonstrate time-division-multiplexing of two-pixel detectors connected with a slow-RF transmission line, all realized using planar geometry requiring a single lithographic step. Through...
journal article 2020
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Gourgues, R.B.M. (author), Esmaeil Zadeh, I.Z. (author), Elshaari, A.W.A. (author), Bulgarini, G. (author), Los, J.W.N. (author), Zichi, Julien (author), Dalacu, Dan (author), Poole, Philip J. (author), Dorenbos, S.N. (author), Zwiller, And V.A.L. (author)
Integration of superconducting nanowire single-photon detectors and quantum sources with photonic waveguides is crucial for realizing advanced quantum integrated circuits. However, scalability is hindered by stringent requirements on high-performance detectors. Here we overcome the yield limitation by controlled coupling of photonic channels...
journal article 2019
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Gourgues, R.B.M. (author), Los, J.W.N. (author), Zichi, Julien (author), Chang, J. (author), Kalhor, N. (author), Bulgarini, G. (author), Dorenbos, S.N. (author), Zwiller, Val (author), Esmaeil Zadeh, I.Z. (author)
We experimentally investigate the performance of NbTiN superconducting nanowire single photon detectors above the base temperature of a conventional Gifford-McMahon cryocooler (2.5 K). By tailoring design and thickness (8 - 13 nm) of the detectors, high performance, high operating temperature, single-photon detection from the visible to...
journal article 2019
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Zichi, Julien (author), Chang, J. (author), Steinhauer, Stephan (author), Von Fieandt, Kristina (author), Los, J.W.N. (author), Visser, G.J. (author), Kalhor, N. (author), Esmaeil Zadeh, I.Z. (author), Zwiller, Val (author)
The requirements in quantum optics experiments for high single-photon detection efficiency, low timing jitter, low dark count rate and short dead time have been fulfilled with the development of superconducting nanowire single-photon detectors. Although they offer a detection efficiency above 90%, achieving a high time resolution in devices...
journal article 2019
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Chang, J. (author), Esmaeil Zadeh, I.Z. (author), Los, Johannes W.N. (author), Zichi, Julien (author), Fognini, Andreas (author), Gevers, Monique (author), Dorenbos, Sander (author), Pereira, S.F. (author), Urbach, Paul (author), Zwiller, Val (author)
In the past decade, superconducting nanowire single-photon detectors (SNSPDs) have gradually become an indispensable part of any demanding quantum optics experiment. Until now, most SNSPDs have been coupled to single-mode fibers. SNSPDs coupled to multimode fibers have shown promising efficiencies but have yet to achieve high time resolution....
journal article 2019
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