Single Quantum Eos

Multi-channel SNSPD closed-cycle system

Single Quantum Eos is the flagship product of Single Quantum. It consists of a compact closed-cycle cryostat, a dedicated helium compressor, fiber-coupled SNSPDs, a user-friendly electronic driver, and the Single Quantum software. Single Quantum provides the fastest and most sensitive single photon detectors on the market.

  • Unparalleled system efficiency: >85%
  • Low timing jitter: <15 ps
  • High count rate: >80 MHz
  • Low dark count rate: <10 Hz
  • No helium consumption
  • No afterpulsing
  • Continuous operation: >10,000 hours
  • Sensitivity from UV to mid-IR
  • Gating not needed
  • Long lifetime
  • Upgradeable

How to operate Single Quantum Eos?

Specifications

A standard Single Quantum Eos has the capacity for 1 to 8 detection channels and each channel is optimized for a specific wavelength. The standard wavelengths are 800 nm, 900 nm, 1064 nm, 1310 nm, and 1550 nm.

Download datasheet

Optimization wavelength 800 nm 900 nm 1064 nm 1310 nm 1550 nm
System detection efficiency ≥ 85% ≥ 85% ≥ 85% ≥ 85% ≥ 80%
Timing jitter ≤ 15 ps ≤ 15 ps ≤ 20 ps ≤ 20 ps ≤ 25 ps
Dark count rate ≤ 10 Hz ≤ 20 Hz ≤ 100 Hz typ. 100 Hz typ. 300 Hz
Maximum count rate 1 ≥ 80 MHz ≥ 60 MHz ≥ 30 MHz ≥ 30 MHz ≥ 20 MHz
  1. The detection efficiency of SNSPDs may decrease at higher incoming light levels. The count rate at which the detection efficiency decreases by 3 dB from the peak detection efficiency is defined as the maximum count rate. It is measured with laser pulsed at a required repetition rate.
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