ROF InGaAs Photondetector free-running single-photon detector
Feature
High detection efficiency
Low dark count rate
Low ask jitter
Free-running operation
TDC function (Optional)

Application
Laser ranging/LiDAR
Fluorescence lifetime detection
Quantum Key Distribution/Quantum optics
Single photon source calibration
Photoexcitation detection
Parameters
Technical Parameters | Technical index | |
High-end version | Standard edition | |
Product Model | QCD600B-H | QCD600B-S |
Spectrum Response | 900m~1700m | |
Detection Efficiency | 35% | 25% |
Dark Count Rate (Typical Value) | 4Kcps | 2Kcps |
Post-pulse Probability@ Dead Time 5PS | 10% | 5% |
Time Jitter | 100ps | 150ps |
Dead Time Regulation Cluster | 0.1Ms~60us | |
Output Signal Level | LVTTL | |
Output Signal Pulse Width | 15ns | |
Output Interface | SMA | |
The Optical Fiber is Synchronized | MMF62.5 | |
Fiber Interface | FC/UPC | |
Start-up Cooling Time | <3min | |
TDC Accuracy (Customizable) | 10ns,0.1ns | |
Input Voltage | 15V | |
Size | 116mmX107.5mm X80mm |
*please contact our seller if you have special requirements
About Us
Rofea Optoelectronics exhibits a wide range of electro-optic products including modulators, photodetectors, laser sources, dfb lasers, optical amplifiers, EDFAs, SLD lasers, QPSK modulation, pulsed lasers, photodetectors, balanced photodetectors, semiconductor lasers, laser Drivers, fiber couplers, pulsed lasers, fiber amplifiers, optical power meters, broadband lasers, tunable lasers, optical delays, electro-optic modulators, photodetectors, laser diode drivers, fiber amplifiers, erbium-doped fiber amplifiers, and source lasers.
We also provide custom modulators, including 1*4 array phase modulators, ultra-low Vpi and ultra-high extinction ratio modulators, which are specially designed for universities and research institutes.
These products feature electro-optic bandwidth up to 40 GHz, wavelength range from 780 nm to 2000 nm, low insertion loss, low Vp, and high PER, making them suitable for a variety of analog RF links and high-speed communication applications.
Rofea Optoelectronics offers a product line of commercial Electro-optic modulators, Phase modulators, Intensity modulator, Photodetectors, Laser light sources, DFB lasers,Optical amplifiers, EDFA, SLD laser, QPSK modulation, Pulse laser, Light detector, Balanced photodetector, Laser driver, Fiber optic amplifier, Optical power meter, Broadband laser, Tunable laser, Optical detector, Laser diode driver, Fiber amplifier. We also provide many particular modulators for customization, such as 1*4 array phase modulators, ultra-low Vpi, and ultra-high extinction ratio modulators, primarily used in universities and institutes.
Hope our products will be helpful to you and your research.