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| Author | Goltsman, G. | ||||
| Title | Quantum-photonic integrated circuits | Type | Conference Article | ||
| Year | 2019 | Publication | Proc. IWQO | Abbreviated Journal | Proc. IWQO |
| Volume | Issue | Pages | 22-23 | ||
Keywords  |
WSSPD, waveguide SSPD, SNSPD, quantum optics, integrated optics, superconducting nanowire single-photon detector | ||||
| Abstract | We show the design, a history of development as well as the most successful and promising approaches for QPICs realization based on hybrid nanophotonic-superconducting devices, where one of the key elements of such a circuit is a waveguide integrated superconducting single-photon detector (WSSPD). The potential of integration with fluorescent molecules is discussed also. | ||||
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| Notes | Approved | no | |||
| Call Number | Serial | 1287 | |||
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| Author | Anthore, A.; Pothier, H.; Esteve, D. | ||||
| Title | Density of states in a superconductor carrying a supercurrent | Type | Journal Article | ||
| Year | 2003 | Publication | Phys. Rev. Lett. | Abbreviated Journal | Phys. Rev. Lett. |
| Volume | 90 | Issue | 12 | Pages | 127001 (1 to 4) |
| Keywords |
Usadel, superconducting nanowire | ||||
| Abstract | We have measured the tunneling density of states (DOS) in a superconductor carrying a supercurrent or exposed to an external magnetic field. The pair correlations are weakened by the supercurrent, leading to a modification of the DOS and to a reduction of the gap. As predicted by the theory of superconductivity in diffusive metals, we find that this effect is similar to that of an external magnetic field. | ||||
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| Notes | Recommended by Klapwijk | Approved | no | ||
| Call Number | Serial | 924 | |||
| Permanent link to this record | |||||
| Author | Pothier, H.; Guéron, S.; Birge, Norman O.; Esteve, D.; Devoret, M. H. | ||||
| Title | Energy distribution function of quasiparticles in mesoscopic wires | Type | Journal Article | ||
| Year | 1997 | Publication | Phys. Rev. Lett. | Abbreviated Journal | |
| Volume | 79 | Issue | 18 | Pages | 3490-3493 |
| Keywords |
tunnel probe, metallic nanowire, diffusive wire, diffusive nanowire | ||||
| Abstract | We have measured with a tunnel probe the energy distribution function of Landau quasiparticles in metallic diffusive wires connected to two reservoir electrodes, with an applied bias voltage. The distribution function in the middle of a 1.5-μm-long wire resembles the half sum of the Fermi distributions of the reservoirs. The distribution functions in 5-μm-long wires are more rounded, due to interactions between quasiparticles during the longer diffusion time across the wire. From the scaling of the data with the bias voltage, we find that the scattering rate between two quasiparticles varies as <c9><203a>–2, where <c9><203a> is the energy transferred. | ||||
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| Notes | Approved | no | |||
| Call Number | Serial | 921 | |||
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| Author | Korneeva, Yuliya; Florya, Irina; Vdovichev, Sergey; Moshkova, Mariya; Simonov, Nikita; Kaurova, Natalia; Korneev, Alexander; Goltsman, Gregory | ||||
| Title | Comparison of hot-spot formation in NbN and MoN thin superconducting films after photon absorption | Type | Conference Article | ||
| Year | 2017 | Publication | IEEE Transactions on Applied Superconductivity | Abbreviated Journal | IEEE Transactions on Applied Superconductiv |
| Volume | 27 | Issue | 4 | Pages | 5 |
| Keywords |
Thin film devices, Superconducitng photoncounting devices, Nanowire single-photon detectors | ||||
| Abstract | In superconducting single-photon detectors SSPD the efficiency of local suppression of superconductivity and hotspot formation is controlled by diffusivity and electron-phonon interaction time. Here we selected a material, 3.6-nm-thick MoNx film, which features diffusivity close to those of NbN traditionally used for SSPD fabrication, but with electron-phonon interaction time an order of magnitude larger. In MoNx detectors we study the dependence of detection efficiency on bias current, photon energy, and strip width and compare it with NbN SSPD. We observe non-linear current-energy dependence in MoNx SSPD and more pronounced plateaus in dependences of detection efficiency on bias current which we attribute to longer electronphonon interaction time. |
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| Notes | Approved | no | |||
| Call Number | RPLAB @ kovalyuk @ | Serial | 1114 | ||
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| Author | Семенов, А. В.; Девятов, И. А.; Третьяков, И. В.; Лобанов, Ю. В.; Ожегов, Р. В.; Петренко, Д. В.; Селиверстов, С. В.; Финкель, М. И. | ||||
| Title | Вывод уравнения типа уравнения гинзбурга-ландау для нанопроволоки вблизи критического магнитного поля | Type | Journal Article | ||
| Year | 2011 | Publication | Журнал радиоэлектроники | Abbreviated Journal | Ж. радиоэлектроники |
| Volume | 11 | Issue | Pages | 4 | |
| Keywords |
superconductivity; nanowire; Ginzburg-Landau equation | ||||
| Abstract | Nonlinear Ginzburg-Landau equation for dirty supercondicting 1D wire is derived in the limit of high magnetic field. В пределе больших магнитных полей выведено нелинейное уравнение Гинзбурга-Ландау, описывающее состояние одномерной «грязной» нанопроволоки. |
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| Notes | Approved | no | |||
| Call Number | RPLAB @ gujma @ | Serial | 714 | ||
| Permanent link to this record | |||||