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  5. Calibration on the detection efficiency of the Si-APD and InGaAs-APD single-photon detectors by corr

Calibration on the detection efficiency of the Si-APD and InGaAs-APD single-photon detectors by corr

来源 :2016年第二届光子学与光学工程国际会议暨第八届西部光子学会议 | 被引量 : 0次 | 上传用户：FSM0225
【摘 要】
：
We demonstrated calibration on the detection efficiency of Si-avalanche photodiode(APD)and InGaAs-APD singlephoton detectors by correlated photon pairs at 780 nm and 1550 nm,respectively.The correlate
【作 者】
：
X.Shi 
【机 构】
：
The 41st Institute of China Electronic Technology Group Corporation China
【出 处】
：
2016年第二届光子学与光学工程国际会议暨第八届西部光子学会议
【发表日期】
：
2016年5期
【关键词】
：
photodetectors nonlinear optics detection efficiency frequency conversion 
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　　We demonstrated calibration on the detection efficiency of Si-avalanche photodiode(APD)and InGaAs-APD singlephoton detectors by correlated photon pairs at 780 nm and 1550 nm,respectively.The correlated photons were generated by spontaneous frequency down-conversion in a periodically poled potassium titanyl phosphate crystal(PPKTP)pumped by a pulsed fiber laser.The uncertainty of~10-4 on detection efficiency was obtained for both single-photon detectors.
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