Equivalent circuit modeling of traveling-wave superconducting-nanostripe single-photon detectors for silicon quantum photonic integrated circuits

Loïc H. Djamen Tchapda; Anindya Bal; Sami A. Nazib; Troy A. Hutchins-Delgado; Hosuk Lee; Mark V. Reymatias; Erika M. Sommer; Ivan Komissarov; John Nogan; Tzu-Ming Lu; Roman Sobolewski; Marek Osiñski

doi:10.1117/12.2654772

10 March 2023 Equivalent circuit modeling of traveling-wave superconducting-nanostripe single-photon detectors for silicon quantum photonic integrated circuits

Loïc H. Djamen Tchapda, Anindya Bal, Sami A. Nazib, Troy A. Hutchins-Delgado, Hosuk Lee, Mark V. Reymatias, Erika M. Sommer, Ivan Komissarov, John Nogan, Tzu-Ming Lu, Roman Sobolewski, Marek Osiñski

Author Affiliations +

Proceedings Volume 12415, Physics and Simulation of Optoelectronic Devices XXXI; 124150B (2023) https://doi.org/10.1117/12.2654772
Event: SPIE OPTO, 2023, San Francisco, California, United States

Abstract

Superconducting nanostripe single-photon detectors (SNSPDs) represent key components in silicon quantum photonic integrated circuits (SiQuPICs). They provide good timing precision, low dark counts, and high efficiency. The design, fabrication, and characterization of SiQuPICs comprising SNSPDs coupled to dielectric optical waveguides are the core objectives of our work. The detectors are positioned directly on the dielectric waveguide core to increase photon absorption by the superconducting nanostripes. We also present results on the SPICE circuit modeling of traveling-wave SNSPDs integrated with Si₃N₄/SiO₂ optical waveguides.

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Loïc H. Djamen Tchapda, Anindya Bal, Sami A. Nazib, Troy A. Hutchins-Delgado, Hosuk Lee, Mark V. Reymatias, Erika M. Sommer, Ivan Komissarov, John Nogan, Tzu-Ming Lu, Roman Sobolewski, and Marek Osiñski "Equivalent circuit modeling of traveling-wave superconducting-nanostripe single-photon detectors for silicon quantum photonic integrated circuits", Proc. SPIE 12415, Physics and Simulation of Optoelectronic Devices XXXI, 124150B (10 March 2023); https://doi.org/10.1117/12.2654772

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