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2025 (English)In: ACS Photonics, E-ISSN 2330-4022Article in journal (Refereed) Epub ahead of print
Abstract [en]
Detecting nonclassical 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 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. With a kinetically controlled elastomer stamp, we transfer suspended SNSPDs onto commercially manufactured silicon and lithium niobate on insulator integrated photonic circuits. Focused ion beam metal deposition then wires the detectors to the circuits, thereby allowing us to monitor photon counts with >7% detection efficiencies. Our method eliminates detector integration bottlenecks and provides new venues for versatile, accessible, and scalable quantum information processors.
Place, publisher, year, edition, pages
American Chemical Society (ACS), 2025
Keywords
quantum photonics, single-photon detectors, optical quantum technologies, photonic integrated circuits, superconducting nanowire single-photon detectors
National Category
Condensed Matter Physics
Identifiers
urn:nbn:se:kth:diva-364260 (URN)10.1021/acsphotonics.5c00345 (DOI)001472919500001 ()40416322 (PubMedID)2-s2.0-105003173992 (Scopus ID)
Note
QC 20250609
2025-06-092025-06-092025-06-09Bibliographically approved