Decoy-state   light source

1.Support 1.25 GHz repetition rate   pulsed light output

2.The light intensity ratio of   signal state and decoy state can be adjusted;

3.The trigger ratio of signal state   and decoy state can be adjusted.

Dual-channel high-speed single   photon detector

1.Support dual-channel 1.25GHz   repetition frequency gating mode detection;

2. Detection efficiency 20%;

3. Dark count rate 1.6 E-6/Gate;

4. After pulse probability 2%,   output jitter <40ps

5. The delay adjustment accuracy of   each channel gate control signal is 5 ps

RF amplifier   module

1. Number of channels 2/4/8

2. Cut-off frequency 1MHz~1.25GHz

3. Output voltage range: 0~12V

4. Maximum signal gain: 26dB

5.P-1 25dBm

6. Input voltage range: 200~1000Vp-p

DC bias   voltage source

1. Number of channels 2/4/8

2. Output voltage range: -6~6V

High-speed   clock source

1. Number of channels 4/8

2. Frequency range 50KHz~2.5GHz

3. Output jitter <5ps

4. Clock adjustable delay range   0~5ns, precision 5ps

Device case   Controller

1.Processor Intel Core i5-7442EQ   2.1GHZ QM175chipset;

2.Provide Gen2 PCIe link to AXIe   backplane, up to 4GB/s data transmission bandwidth;

3.The front panel provides 2 USB3.0   ports, 2 USB2.0 ports, and 2 LAN (10/100/1000) ports;

4.Provide external 10/100MHz clock   input and output 10/100MHz synchronous clock;

5. 64-bit windows 7 operating   system.

QCRP host   computer

1. Unified operation interface of   each module;

2. Independent instrument mode and   system scheme mode are optional;

3.The scheme mode comes with   parameter scanning function;

4. Support MATLAB, LabView, Python,   etc. to call the sdk interface, and support user secondary development.