Photon Counting Modules

Application notes

Photon Counting


Data sheets

Application notes

ID210 Single-Photon Detector Module
Measurement-Device Independent Quantum Key Distribution
The purpose of this application note is to compare secret key generation rates of our MDI-QKD system when being operated with standard ID200, and newer and more performant ID210 InGaAs-avalanche photodiode-based SPDs. When using the ID210 detectors, we find a fivefold increase in key rate for a distance of 60km between users, and the possibility to distribute secret keys over longer distances.

ID220 Single-Photon Detector Module
TCSPC at Wavelengths from 900nm to 1700nm
We describe picosecond time-resolved optical signal recording in the spectral range from 900 nm to 1700 nm. The system consists of an ID Quantique ID220 InGaAs SPAD, a bh SPC-150 TCSPC device, and a B&H BDS-SM 1064 nm ps diode laser.

ID220 Single-Photon Detector Module
Coincidence detection with free-running ID220 detectors
This application note demonstrates the flexibility of the free-running ID220 detectors; they allow for the detection of both CW and pulsed downconverted photons, as well as time-multiplexed coincidence measurements.

ID210 Single-Photon Detector Module
Single-photon detection with InGaAs/InP avalanche photodiodes
This application note describes the principle of single-photon detection using InGaAs/InP APD’s. It also presents the ID201 Single-Photon Detection System and briefly mentions applications.

ID201 Single-Photon Detector Module
IR Antibunching Measurements with ID201 InGaAs Gated SPAD Detectors
Antibunching measurements with InGaAs SPAD detectors are faced with the problems of high background count rate, afterpulsing, and the requirement to gate the SPADs. This application note describes how anti-bunching measurements can be performed by using pulsed excitation and gated detection. Possible problems of the principle are discussed and hints for the buildup of suitable experiments are given.

ID200 Series Selection Guide – Singlemode or Multimode Optical Fiber Input
This application note explains how to calculate the amount of light that can be coupled into an ID201 detector with singlemode or multimode optical fiber input.

General article (ID201)
Single-Photon Counters Get a Second Wind
Article published in 2005 in Photonics Spectra.


ID201/ID210/ID220 Single-Photon Detector Module
This section lists scientific publications presenting experiments and results for which IDQ InGaAs/InP single-photon detectors were used. It is not exhaustive. If you would like to draw our attention to a publication which we missed, please send us an email to

Ultranarrow-Band Photon Pair Source Compatible with Solid State Quantum Memories and Telecommunication Networks
Julia Fekete, Daniel Rieländer, Matteo Cristiani, and Hugues de Riedmatten
Phys. Rev. Lett. 110 220502 (2013)

Efficient frequency downconversion at the single photon level from the red spectral range to the telecommunications C-band
S. Zaske, A. Lenhard, and C. Becher
Optics Express, Vol. 19, No. 13 (2011) 12825

Highly Efficient Single-Pass Source of Pulsed Single-Mode Twin Beams of Light
A. Eckstein, A. Christ, P. Mosley and C. Silberhorn
Physical Review Letters 106, 013603 (2011)

Fiber-Assisted Single-Photon Spectrograph
M. Avenhaus, A. Eckstein, P. J. Mosley, and C. Silberhorn
Optics Letters Vol. 34, No. 18 (2009), 2873-2875

Continuous wave photon pair generation in silicon-on-insulator waveguides and ring resonators
S. Clemmen, K. Phan Huy, W. Bogaerts, R. G. Baets, Ph. Emplit and S. Massar

Improved implementation and modeling of deadtime reduction in an actively multiplexed detection system
G. Brida, I.P. Degiovanni, V. Schettini, S.V. Polyakov and A. Migdal
Journal of Modern Optics Vol. 56, Nos. 2–3 (2009), 405–412.

Narrowband high-fidelity all-fibre source of heralded single photons at 1570 nm
A.R. McMillan, J. Fulconis, M. Halder, C. Xiong, J.G. Rarity and W.J. Wadsworth
Optics Express, Vol. 17, Issue 8 (2009) 6156-6165.

Wavelength-multiplexed distribution of highly entangled photon-pairs over optical fiber
H. Lim, A. Yoshizawa, H. Tsuchida and K. Kikuchi
Opt. Express. Vol. 16, pp. 22099-22104

Broadband source of telecom-band polarization-entangled photon-pairs for wavelength-multiplexed entanglement distribution
H. Lim, A. Yoshizawa, H. Tsuchida and K. Kikuchi
Opt. Express. Vol. 16, pp. 16052-16057

Comparison of photon counting and analog techniques for the measurement of photon pair generation in a PPLN waveguide
S. Castelletto, I. P. Degiovanni, V. Schettini, T. Del Rosso, G. Margheri, L. Papi and S. Sottini
J. Opt. Soc. Am. B 25 (2008), 7-14

Wavelength-multiplexed entanglement distribution over 10 km of fiber
H. Lim, A. Yoshizawa, H. Tsuchida and K. Kikuchi
ECOC2008, 2008, Brussels Expo, Brussels, Belgium

Experimental test of nonclassicality for a single particle
G. Brida, I. P. Degiovanni, M. Genovese, V. Schettini, S. V. Polyakov, and A. Migdall
Optics Express Vol. 16, Issue 16 (2008) 11750-11758

Distribution of polarization-entangled photon-pairs produced via spontaneous parametric down-conversion within a local-area fiber network: Theoretical model and experiment
H. Lim, A. Yoshizawa, H. Tsuchida and K. Kikuchi
Opt. Express. Vol. 16, pp. 14512-14523

Stable source of high quality telecom-band polarization-entangled photon-pairs based on a single, pulse-pumped, short PPLN waveguide
H. Lim, A. Yoshizawa, H. Tsuchida and K. Kikuchi
Opt. Express. Vol. 16, pp. 12460-12468

ASIC for high speed gating and free running operation of SPADs
A. Rochas, C. Guillaume-Gentil, J. D. Gautier, A. Pauchard, G. Ribordy, H. Zbinden, Y. Leblebici, L. Monat
Proc. SPIE, Vol. 6583, 65830F (2007); DOI:10.1117/12.722828

Implementing a Multiplexed System of Detectors for Higher Photon Counting Rates
V. Schettini, S. V. Polyakov, I. P. Degiovanni, G. Brida, S. Castelletto and A. L. Migdall

Optimizing single-photon-source heralding efficiency at 1550 nm using periodically poled lithium niobate
S. Castelletto, I.P. Degiovanni, V. Schettini, A. Migdall
Metrologia 43 (2006) S56-S60

Photon counting at telecom wavelengths with commercial InGaAs/InP avalanche photodiodes: current performance
G. Ribordy, N. Gisin, O. Guinnard, D. Stucki, M. Wegmuller and H. Zbinden
Journal of Modern Optics, Vol. 51, No. 9–10 (2004) 1381–1398

Non-classical Photon Emission from a Single InAs/InP Quantum Dot in the 1.3-um Optical-Fiber Band
K. Takemoto, Y. Sakuma, S. Hirose, T. Usuki, N. Yokoyama, T. Miyazawa, M. Takatsu and Y. Arakawa
Japanese Journal of Applied Physics Vol. 43, No. 7B (2004) 993– 995

Two-way quantum key distribution at telecommunication wavelength
R. Kumar, M. Lucamarini, G. Di Giuseppe, R. Natali, G. Mancini and P. Tombesi
Physical Review A 77 (2008), pp. 022304

User guides

ID201 Single-Photon Detector Module

ID200 Single-Photon Detector Module
The id200 Single-Photon Detector Module has been replaced in 2007 by the id201 detector. It is not commercialized any longer by ID Quantique, but it is still supported and maintainted. User manuals for this product can be downloaded here.

Data sheet

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