Laser & Optoelectronics Progress, Volume. 60, Issue 17, 1706006(2023)

Temperature Control Method for Multichannel PPLN Waveguides

Kunpeng Yi, Quan Yao, Jichao Lin, Jingli Fan, Daiying Wei, Yang Gao, and Mingyang Zheng*
Author Affiliations
  • Laboratory of Quantum Detection and Waveguide Device, Jinan Institute of Quantum Technology, Jinan 250101, Shandong , China
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    Figures & Tables(8)
    Schematic of the upconversion single photon camera
    Experiment setup
    TEC drive module
    Single photon detector module
    Flow chart of balancing algorithm
    Relation curve between temperature and counting rate
    • Table 1. Eight channel waveguide test

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      Table 1. Eight channel waveguide test

      ChannelCentral wavelength /nmTransmission loss /(dB·cm-1Primary and secondary ratioConversion efficiency /%
      CH11549.300.135∶161
      CH21549.210.156∶164
      CH31549.240.186∶163
      CH41549.180.197∶161
      CH51549.230.175∶162
      CH61549.220.126∶165
      CH71549.250.155∶160
      CH81549.200.158∶160
    • Table 2. multichannel waveguide temperature record

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      Table 2. multichannel waveguide temperature record

      Count/(103 s-1
      Temperature /℃CH1CH2CH3CH4CH5CH6CH7CH8Discrete value
      3914141316161514137.75
      39.1141414181716141510.5
      39.2141515181717141610
      39.3151717201718141810
      39.419181617191815189
      39.518191817182015187.5
      39.618201817182018177
      39.717191815181818168.25
      39.8151817151718181411
      39.9141715141717161410
      4013151513151513147
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    Kunpeng Yi, Quan Yao, Jichao Lin, Jingli Fan, Daiying Wei, Yang Gao, Mingyang Zheng. Temperature Control Method for Multichannel PPLN Waveguides[J]. Laser & Optoelectronics Progress, 2023, 60(17): 1706006

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Jun. 6, 2023

    Accepted: Jul. 24, 2023

    Published Online: Sep. 1, 2023

    The Author Email: Zheng Mingyang (zhengmingyang@jiqt.org)

    DOI:10.3788/LOP231469

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