Increased detection efficiencies of nanowire single-photon detectors by integration of an optical cavity and anti-reflection coating

We fabricate and test superconducting NbN-nanowire single-photon detectors with an integrated optical cavity and anti-reflection coating. We design the cavity and coating such as to maximize absorption in the NbN film of the detector.

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Bibliographic Details
Main Authors: Rosfjord, K.M., Yang, J.K.W., Dauler, E.A., Anant, V., Berggren, K.K., Kerman, A.J., Voronov, B.M., Gol'tsman, G.N.
Format: Conference Proceeding
Language:English
Subjects:
(040.5160) Photodetectors
(220.0220) Optical design and fabrication
(230.3120) Integrated optics devices
(310.6860) Thin films
Cavity resonators
Detectors
Electron optics
Optical detectors
Optical device fabrication
Optical films
optical properties
Optical reflection
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Description
Summary:We fabricate and test superconducting NbN-nanowire single-photon detectors with an integrated optical cavity and anti-reflection coating. We design the cavity and coating such as to maximize absorption in the NbN film of the detector.
ISSN:2160-9004
DOI:10.1109/CLEO.2006.4628700