Ge Zhang, Zhengyong Li, Haiyang Wang, Xiangkong Zhan, Wei Zhang, Chongqing Wu. Coincidence counting measurement of commercial quasi-single-photon source[J]. Chinese Optics Letters, 2015, 13(Suppl.): S20301
- Chinese Optics Letters
- Vol. 13, Issue Suppl., S20301 (2015)
Fig. 1. Experimental setup.
Fig. 2. Principle and internal configuration of the SPD.
Fig. 3. Pulses output simultaneously from the two SPDs. a1: SPD1, a2: SPD2, b1 and b2 are the details of the waveforms in a1 and a2, respectively.
Fig. 4. Envelope diagram of counts (logarithm) vs. delayed time under different total count rates (a–d: 1.5 Mcps, 150 kcps, 15 kcps, and 1.5 kcps).
Fig. 5. Coincidence counting spectra with details (inside) under different total count rates (a–d: 1.5 Mcps, 150 kcps, 15 kcps, and 1.5 kcps).
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