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QCD-300 Low-noise Near-infrared Single-photon Detector

The QCD-300 Series Provides Low-noise Single-photon Detectors which are optimal for quantum cryptographic applications. The detector responds from 900 ~ 1700nm, with the repetition frequency as high as 100MHz, and the gating window as narrow as 300ps. The detector is compactly designed so as to acquire high stability and reliability. Moreover, the user interface is friendly to operate with.

wavelength 950~1650nm
fiber connector type FC/PC, FC/APC
gating frequency 10 ~100MHz
output pulse width > 20ns @ 20MHz
photon detection efficiency 10%--20%
maximum count rate  
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