Single-photon detectors on arbitrary photonic substrates

• URL: http://arxiv.org/abs/2409.08412v1
• Date: Thu, 12 Sep 2024 21:58:05 GMT
• Title: Single-photon detectors on arbitrary photonic substrates
• Authors: Max Tao, Hugo Larocque, Samuel Gyger, Marco Colangelo, Owen Medeiros, Ian Christen, Hamed Sattari, Gregory Choong, Yves Petremand, Ivan Prieto, Yang Yu, Stephan Steinhauer, Gerald L. Leake, Daniel J. Coleman, Amir H. Ghadimi, Michael L. Fanto, Val Zwiller, Dirk Englund, Carlos Errando-Herranz,
• Abstract summary: Superconducting nanowire single photon detectors (SNSPDs) are the leading detector technology for fiber and integrated photonic applications. Here, we introduce a method based on transfer printing that overcomes these constraints and allows for the integration of SNSPDs onto arbitrary photonic substrates.
• Score: 2.143182930148198
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Detecting non-classical light is a central requirement for photonics-based quantum technologies. Unrivaled high efficiencies and low dark counts have positioned superconducting nanowire single photon detectors (SNSPDs) as the leading detector technology for fiber and integrated photonic applications. However, a central challenge lies in their integration within photonic integrated circuits regardless of material platform or surface topography. Here, we introduce a method based on transfer printing that overcomes these constraints and allows for the integration of SNSPDs onto arbitrary photonic substrates. We prove this by integrating SNSPDs and showing through-waveguide single-photon detection in commercially manufactured silicon and lithium niobate on insulator integrated photonic circuits. Our method eliminates bottlenecks to the integration of high-quality single-photon detectors, turning them into a versatile and accessible building block for scalable quantum information processing.

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