Single-photon modulation spectrum |
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| Authors: | Liu Yan Yu Bo He Bo Zhang Guo-Feng Xiao Lian-Tuan Jia Suo-Tang |
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| Institution: | State Key Laboratory of Quantum Optics and Quantum Optics Devices, Laser Spectroscopy Laboratory, Shanxi University, Taiyuan 030006, China |
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| Abstract: | We present a robust method of single-photon modulation by directly modulating the single photons and observe its frequency spectrum. Compared with conventional photon counting technique, the single-photon modulation spectrum shows that the method could not only realize high-frequency modulation but also obtain higher signal-to-noise ratio. Moreover, the theoretical calculations show good agreement with the experimental results. |
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| Keywords: | signal-to-noise ratio single-photon modulation spectrum |
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