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Products / Light Analysis /Photodetectors /Infrared Single Photon Detector(SPD) /Super Conducting Nanowire System /

Super Conducting Nanowire System

Overview Specifications Application Related Products Order Now!

The ID281 is IDQ’s ultimate combination of highperformance single-photon detection, simple and robust cryogenics, best-in-class time-tagging and control electronics.

Push the limit of your application to new heights with Swiss made SNSPDs combining high detection efficiency, low jitter, low noise and short recovery time.

The detectors (from 2 up to 16) are integrated in an automated closed-cycle and compact 0.8 K cryostat providing ease-of-use and unrivalled temperature stability for long-term performance.

The system comes with our Time Controller ID900 for high-speed and high-resolution time-tagging, as well as the possibility to control your experiment. You can process and display your data quickly with its built-in realtime processing tools. Get the best results out of your application.

Features

• Reliable and durable performance

• High system detection efficiency : up to 90%

• Low dark count rate (as low as 1 Hz)

• Short recovery time and latch-free operation, even at high count rates

• Low jitter (as low at 20 ps)

• Automated standalone 0.8 K cryostat

• Integrated control, discrimination and time-tagging electronics

New

• High-speed detection: up to 200 MHz detection rate

• Photon-number resolution

• Up to 16 channels

High Efficiency and Low Noise

• System detection efficiency up to 90% (at 1550, 1310, 780, 850, 950 nm and +)

• Broadband efficiency detectors: >80% from 1310 to 1550 nm >80% from 780 to

950 nm >80% from 950 to 1064 nm

• Standard low dark count rate (DCR): < 100 Hz (1310 to 1550 nm) < 5 Hz (950 to

1064 nm) < 1 Hz (780 to 950 nm)

• Ultra low DCR option (1550 nm) : < 10 Hz or < 1 Hz

• Options: Polarisation-insensitive efficiency : > 70% Multimode fiber coupling :

Low Time Jitter

• Standard jitter (FWHM): < 40 ps (1550 nm) < 30 ps (780-950 nm)

• Ultra-low jitter option: <30 ps (1550 nm) <20 ps (780-950 nm) upon request

Short Recovery Time

• Standard recovery time (50% recovery): 60 ns (1310-1550 nm), 30 ns (780-1064nm)

• Shorter recovery time option: 40 ns (1310-1550 nm), 20 ns (780-1064 nm)

High-speed & PNR SNSPDS (Preliminary Specifications)

• >70% nominal system detection efficiency (SDE) at 1550 nm, other wavelengths upon request

• < 100 Hz DCR at 1550 nm, 60 ps jitter

• Efficiency reduction minimized at high count rates

• Photon-number resolution (PNR) capability with a single channel use in the

cryostat

• Patent-pending technology

Please download the specification sheet found here: ID281

General Specifications

Detectors
System detection efficiency	≥ 85%
Optimisation wavelengths	from 780 to 1625 nm
Broadband detection efficiency	> 80% over min 100 nm
Dark count rate (a,b)	< 1 to < 100 Hz
Recovery Time (a,c)	from 30 to 60 ns
Maximum detection rate (a)	20 to 50 MHz
Jitter (FWHM) (b)	20 to 40 ps
Output pulse width, voltage	> 5 ns, > 100 mV
Design working temperature (d)	0.8 K
Detector package dimensions	13 x 20 x 25 mm
Fibre type (a)	Singlemode fibre, multimode option upon request
Cryostat
Optical and coaxial channels	1-16
Base temperature	0.8 K
Minimum runtime at 0.8 K (e)	24 to 100 hours, configurable
Temperature stability	5 mK
Cooldown time	12 hours
Compressor Type	Type Air or water-cooled
Flexlines length	3 m (more upon request)
Dimensions
- Cryostat	53 x 30 x 30 cm
- Compressor (air-cooled)	50 x 40 x 50 cm

a. Wavelength dependent, call for details.

b: Lower values available upon request.

c: Time for the efficiency to recover 50% of the maximum efficiency after a detection.

d: The detectors can be operated at 2.5 K but the specifications are impacted. Call for details.

e: Programmable automatic temperature recycling between runtime periods at 0.8K

Article Database

High Photon Detection Efficiency Systems at Telecom (NIR) Wavelengths

As interests in Quantum Communication and Quantum Information has increased, so to has the demand for high efficency single photon detection systems. High efficiency systems are desired for their abilitiy not only to detect the incoming signals, but also provide experimental assurance - as often ... Click here: Read More

Applications

Detailed Articles Coming Soon!

• QKD and quantum communication

• Quantum optics and computing

• Single-photon source characterisation

• Fluorescence lifetime measurements

• Failure analysis of integrated circuits

• VIS, NIR and MIR spectroscopy

Click the links for more info regarding ID281.

>Single-photon detectors used in free space communication

>Direct measurement of the recovery time of superconducting nanowire single photon detectors

>ID281 Cryostat at 0.8K used for detection of photon triplets

>QKD beyond 400km using ultra-low-noise SNSPD

Infrared Single Photon Detector(SPD)

Model	Wavelength Range	Jitter	QE	Dark Count Rate
NIR Single Photon Det ector (Dual Channels)	900-1700nm	<100ps		≤2e-6/gate @10% SPDE
Super Conducting Nanowire System	780 - 1625nm	20- 40ps	>80% over min 100nm	<1Hz to <100Hz
NIR Single Photon Detector (900-1700)	900 - 1700nm		10%, 20% @1550nm	≤2e-6/gate @10% SPDE
NIR Single Photon Detector Free Running/Gated	900 - 1700nm	<150ps	up to 35%	0.8 to 6 Khz
NIR Single Photon Detector Low Dark Count	900 - 1700nm	<150ps	25%	50 t0 200 Hz

Timing Tagging Devices
	Ultra-fast Pulse Generator for TCSPC
	Time-Correlated Single-Photon Counting System
	ID1000 Timing Controller

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