Effect of an External Alternating Electric Field on the Efficiency of a Superconducting Single-Photon Detector
Sedykh K. O.1,2, Suleimen Y.3, Svyatodukh M. I.1,2, Podlesnyy A.3, Kovalyuk V. V.1,4, An P. P.2,4, Kaurova N. S.2, Florya I. N.2,4, Lakhmanskiy K. E.3, Goltsman G. N.1,3
1National Research University Higher School of Economics, Moscow, Russia
2Moscow Pedagogical State University, Moscow, Russia
3Russian Quantum Center, Moscow, Russia
4National University of Science and Technology MISiS, Moscow, Russia
Email: kseniaolegovna98@gmail.com

In this paper, model of a surface ion trap for a scalable quantum computer with an RF electrode and a superconducting single-photon detector was studied with an operating temperature of 4 K. The amplitude range of the radio frequency signal varied from 10 to 800 mV at frequencies from 5 to 20 MHz. The effect of the induced external RF field of the trap on the dark and bright count rate of a single-photon detector is studied. The results of this work are important in the design of surface ion traps with planar single-photon detectors. Keywords: surface ion trap, superconducting single-photon detector, niobium nitride, scalable ion quantum computer. DOI: 10.61011/TP.2023.07.56637.88-23
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