• Chinese Journal of Lasers
  • Vol. 48, Issue 12, 1214001 (2021)
Xiaoqin Yin1, Shuzhen Fan1、2、*, Yongfu Li1、2, Xingyu Zhang1、3, Zhaojun Liu1、3, Xian Zhao1、2, and Jiaxiong Fang1、2、4
Author Affiliations
  • 1Key Laboratory of Laser & Infrared System (Shandong University), Ministry of Education, Qingdao, Shandong 266237, China;
  • 2Center for Optics Research and Engineering (CORE), Shandong University, Qingdao, Shandong 266237, China
  • 3School of Information Science and Engineering, Shandong University, Qingdao, Shandong 266237, China
  • 4Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China
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    DOI: 10.3788/CJL202148.1214001 Cite this Article Set citation alerts
    Xiaoqin Yin, Shuzhen Fan, Yongfu Li, Xingyu Zhang, Zhaojun Liu, Xian Zhao, Jiaxiong Fang. Theoretical Analysis of Terahertz-Wave Frequency Up-Conversion Detection Based on Coexisting Difference- and Sum-Frequency Generation[J]. Chinese Journal of Lasers, 2021, 48(12): 1214001 Copy Citation Text show less
    Principle and experimental block diagram of terahertz-wave frequency up-conversion detection
    Fig. 1. Principle and experimental block diagram of terahertz-wave frequency up-conversion detection
    The evolution of all waves within a DAST crystal in ideal conditions. (a) Only DFG considered; (b) only SFG considered; (c) coexistence of DFG and SFG
    Fig. 2. The evolution of all waves within a DAST crystal in ideal conditions. (a) Only DFG considered; (b) only SFG considered; (c) coexistence of DFG and SFG
    Photon numbers of signal lights as functions of crystal thickness for weak terahertz-wave detection
    Fig. 3. Photon numbers of signal lights as functions of crystal thickness for weak terahertz-wave detection
    Photon numbers of signal lights at different pumping intensities. (a) DFG and SFG signal lights versus crystal thickness under the coexistence of DFG and SFG; (b) total photon numbers of signal lights as functions of THz photon numbers
    Fig. 4. Photon numbers of signal lights at different pumping intensities. (a) DFG and SFG signal lights versus crystal thickness under the coexistence of DFG and SFG; (b) total photon numbers of signal lights as functions of THz photon numbers
    The number of signal photons and the SNR as functions of the pumping power density in terahertz single-photon detection
    Fig. 5. The number of signal photons and the SNR as functions of the pumping power density in terahertz single-photon detection
    Xiaoqin Yin, Shuzhen Fan, Yongfu Li, Xingyu Zhang, Zhaojun Liu, Xian Zhao, Jiaxiong Fang. Theoretical Analysis of Terahertz-Wave Frequency Up-Conversion Detection Based on Coexisting Difference- and Sum-Frequency Generation[J]. Chinese Journal of Lasers, 2021, 48(12): 1214001
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