High Efficiency On-Chip Single-Photon Detection for Diamond Nanophotonic Circuits

Nanophotonic integrated circuits made from diamond-on-insulator templates are promising candidates for full-scale classical and quantum optical applications on a chip. For operation on a single photon level, both passive devices as well as light sources and single photon detectors co-implemented wit...

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Bibliographic Details
Published inJournal of lightwave technology Vol. 34; no. 2; pp. 249 - 255
Main Authors Kahl, Oliver, Ferrari, Simone, Rath, Patrik, Vetter, Andreas, Nebel, Christoph, Pernice, Wolfram H. P.
Format Journal Article
LanguageEnglish
Published New York IEEE 15.01.2016
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Absorption
Critical current density (superconductivity)
Detectors
Diamonds
Integrated optics
Nanophotonic circuits
Optical waveguides
Photonics
Quantum photonics
Superconducting detectors
Temperature measurement
Integrated optics
superconducting detectors
quantum photonics
nanophotonic circuits
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Summary:Nanophotonic integrated circuits made from diamond-on-insulator templates are promising candidates for full-scale classical and quantum optical applications on a chip. For operation on a single photon level, both passive devices as well as light sources and single photon detectors co-implemented with a waveguide architecture are essential. Here, we present an in-depth investigation of the efficiency and timing characteristics of superconducting nanowire single-photon detectors (SNSPDs) situated directly atop diamond waveguides. Effects of nanowire length and critical current on the SNSPD performance are elaborated and true single-photon detection capability is confirmed by statistical measures.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2015.2472481