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其他厂商性质
武汉市所在地
超导纳米线单光子探测器（SNSPD）利用超导材料对红外光子的响应，产生输出电压脉冲的特点，进行红外弱光信号的探测。响应波段覆盖780nm至1600nm，具有高的探测效率和极低的暗噪声。IDQ提供的超导纳米线单光子探测器系统包括控制电子学，制冷单元及相关软件，提供“Turnkey”整体解决方案，可在量子光学、量子计算、激光雷达和激光通信等领域中应用。
Detectors | |
System detection efciency | ≥ 85% |
Optimisaton Wavelengths | from 780 to 1625 nm |
Broadbａnd detection efficiency | > 85% over min 100 nm |
Dark count rate (a,b) | 10 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 fbre |
Cryostat | |
Optical and coaxial channels | 1-8 (upon request) |
Base temperature | 0.8 K |
Minimum runtime at 0.8 K (e) | 24 to 100 hours, configurable |
Temperature stability | 0.005 K |
Cooldown time | 12 hours |
Compressor Type | Air or water-cooled |
Flexlines length | 3 m (upon request) |
Dimensions | - |
- Cryostat | 53 x 30 x 30 cm |
- Compressor (air-cooled) | 50 x 40 x 50 cm |
a. Wavelength dependant, 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: Programmed 2 hours of automatic recycling between runtime periods at 0.8K.
波长-探测效率-暗记数关系
低时间抖动和快速恢复特性
ID281 Superconducting nanowire system
