Superconducting Nanowire Detector
Superconducting nanowire single-photon detectors (SNSPD) detect weak infrared signals through superconducting materials' photon response, producing voltage pulses. They cover 780nm to 1600nm with high efficiency and extremely low dark noise. IDQ supplies a turnkey system including control electronics, cooling, and software for quantum optics, quantum computing, lidar, and laser communications.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Detectors-System detection efciency | ≥ 85% |
| Detectors-Optimisaton Wavelengths | from 780 to 1625 nm |
| Detectors-Broadband detection efficiency [over min 100 nm] | > 85% over min 100 nm |
| Detectors-Dark count rate [Wavelength dependant, call for details.；Lower values available upon request.] | 10 to 100 Hz |
| Detectors-Recovery Time [Wavelength dependant, call for details.；Time for the efficiency to recover 50% of the maximum efficiency after a detection.] | from 30 to 60 ns |
| Detectors-Maximum detection rate [Wavelength dependant, call for details.] | 20 to 50 MHz |
| Detectors-Jitter (FWHM) [Lower values available upon request.] | 20 to 40 ps |
| Detectors-Output pulse width | > 5 ns |
| Detectors-Output voltage | > 100 mV |
| Detectors-Design working temperature [The detectors can be operated at 2.5 K but the specifications are impacted. Call for details.] | 0.8 K |
| Detectors-Detector package dimensions | 13 mm × 20 mm × 25 mm |
| Detectors-Fibre type [Wavelength dependant, call for details.] | Singlemode fbre |
| Cryostat-Optical and coaxial channels [upon request] | 1-8 (upon request) |
| Cryostat-Base temperature | 0.8 K |
| Cryostat-Minimum runtime at 0.8 K [Programmed 2 hours of automatic recycling between runtime periods at 0.8K.；configurable] | 24 to 100 hours, configurable |
| Cryostat-Temperature stability | 0.005 K |
| Cryostat-Cooldown time | 12 hours |
| Cryostat-Compressor Type | Air or water-cooled |
| Cryostat-Flexlines length [upon request] | 3 m (upon request) |
| Dimensions [Cryostat] | 53 cm × 30 cm × 30 cm |
| Dimensions [Compressor (air-cooled)] | 50 cm × 40 cm × 50 cm |
Key Features
Datasheet
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