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Broadband Superconducting Nanowire Single Photon Detectors

Total Cost €


EC-Contrib. €






 SuSiPOD project word cloud

Explore the words cloud of the SuSiPOD project. It provides you a very rough idea of what is the project "SuSiPOD" about.

quality    outperform    computer    optics    thin    visible    close    transition    wavelength    fundamental    nbn    platform    quantum    ultra    unavoidable    nitride    efficiency    photons    nanowire    medical    ing    dark    science    21st    generation    fabrication    realization    triggers    spectral    coupled    waveguides    establishment    detection    leads    layers    prototype    imaging    timing    operation    alternative    lattice    evanescent    broadband    avalanche    transparent    counts    material    gap    suited    photodiodes    ranging    pulsing    jitter    biased    nm    proven    communication    band    6000    limited    photon    normal    approximately    gan    optical    coupling    matched    absorption    superconducting    propagating    waveguide    century    voltage    critical    boosted    laterally    paving    unity    detectors    substrate    semiconductor    probability    spike    fibre    tapered    impinging    geometry    single    space    400    susipod    light    aln    infrared    below    relies    lidar    near   

Project "SuSiPOD" data sheet

The following table provides information about the project.


Organization address
address: RUE LEBLANC 25
city: PARIS 15
postcode: 75015

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country France [FR]
 Project website
 Total cost 173˙076 €
 EC max contribution 173˙076 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2014
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2015
 Duration (year-month-day) from 2015-07-01   to  2017-06-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Single-photon detection is an emerging technology, with applications ranging from medical imaging and LIDAR systems to space communication and fundamental quantum optics. Moreover, single-photon detectors are considered an enabling technology for the development of quantum information science, paving the way for the realization of one of the main challenges of the 21st century: the quantum computer. Currently, single-photon detection is carried out using semiconductor-based avalanche photodiodes; however, this technology is limited by large timing jitter, unavoidable dark counts, after pulsing, and limited detection efficiency. A recently proposed alternative relies on a superconducting nanowire biased just below its critical current, so that an impinging photon triggers a transition from the superconducting to the normal state, resulting in a voltage spike at the nanowire leads. The detection efficiency can be boosted close to unity by coupling the superconducting nanowire to the evanescent field propagating in a waveguide. However, the fabrication of high quality, ultra-thin superconducting layers is challenging, and the operation wavelength of such devices is limited by the waveguide band gap. We have identified GaN/AlN as the best suited waveguide material system, approximately lattice matched with NbN, and with a transparent band from 400 to 6000 nm. The target of the SuSiPOD project is the establishment of a technology platform for the fabrication of a new generation of broadband superconducting nanowire single-photon detectors built on III-nitride waveguides, in which photons are coupled laterally with the help of a tapered optical fibre. This new geometry should allow near-unity absorption probability in a wide spectral range, since the substrate is transparent to visible and infrared light. The project success will be proven by the realization of a working prototype which will greatly outperform state-of-the-art single-photon detectors.


year authors and title journal last update
List of publications.
2016 L. Redaelli, G. Bulgarini, S. Dobrovolskiy, S. N. Dorenbos, V. Zwiller, E. Monroy, J.M. Gérard
Design of broadband high-efficiency superconducting-nanowire single photon detectors
published pages: , ISSN: 0953-2048, DOI: 10.1088/0953-2048/29/6/065016
Superconductor Science and Technology 2019-07-23
2017 Luca Redaelli ; Gabriele Bulgarini ; Sergiy Dobrovolskiy ; Sander Dorenbos ; Anna Mukhtarova ; Val Zwiller ; Eva Monroy ; Jean-Michel Gérard
High absorption efficiency and polarization-insensitivity in superconducting-nanowire single-photon detectors
published pages: , ISSN: 1996-756X, DOI: 10.1117/12.2252332
2017 L Redaelli, V Zwiller, E Monroy and J M Gérard
Design of polarization-insensitive superconducting single photon detectors with high-index dielectrics
published pages: , ISSN: 0953-2048, DOI: 10.1088/1361-6668/30/3/035005
Superconductor Science and Technology 2019-07-23

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