Study On Optical Communications, Volume. 50, Issue 6, 23009201(2024)

A Parallel Multi-channel Lithium Niobate Electro-optic Modulator

Pengyi YANG*
Author Affiliations
  • Anhui Province Key Laboratory of Microsystem, the 43rd Research Institute of CETC, Hefei 230088, China
  • show less
    Figures & Tables(10)
    Principle of thin film Lithium niobate electro-optic modulator
    Microwave optical transmission link based on external modulation
    Simulation model of microwave optical transmission link
    The effect of modulator half wave voltage Vπ on link gain G
    The relationship between half wave voltage of modulator Vπ and link noise NF coefficient
    Four-channel integrated film Lithium niobate modulator
    Bandwidth test diagram of 40 GHz thin film Lithium niobate modulator
    • Table 1. Simulation parameters

      View table
      View in Article

      Table 1. Simulation parameters

      名称功能参数设置
      激光器提供光载波信号波长为1 552.5 nm,线宽为1 MHz,RIN为-160 dB/Hz,光功率可调。
      电光调制器微波信号光调制插入损耗为3.5 dB,消光比为30 dB,Vπ可调。
      偏置电压源调节电光调制器的工作点偏置电压可调。
      光电探测器光/电转换响应度为0.8 A/W,暗电流为10 nA。
      微波源提供待调制微波信号频率为18 GHz,功率可调。
    • Table 2. Test results of NF

      View table
      View in Article

      Table 2. Test results of NF

      测试频点/Gbit/sNF/dB
      126.33
      226.84
      327.10
      427.45
      527.42
      628.37
      729.40
      830.42
      930.02
      1030.88
      1130.65
      1230.22
      1329.80
      1429.30
      1529.35
      1629.43
      1729.88
      1828.15
    • Table 3. Comparison of parameters

      View table
      View in Article

      Table 3. Comparison of parameters

      参数传统铌酸锂调制器薄膜铌酸锂调制器备注
      Vπ/V4.53.5优于
      带宽/GHz3040优于
      光插损/dB4.54.5相当
      尺寸/mm×mm×mm65×9×930×20×104路集成比传统单路器件还小
      NF/dB35~30优于
    Tools

    Get Citation

    Copy Citation Text

    Pengyi YANG. A Parallel Multi-channel Lithium Niobate Electro-optic Modulator[J]. Study On Optical Communications, 2024, 50(6): 23009201

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category:

    Received: Jun. 21, 2023

    Accepted: --

    Published Online: Jan. 2, 2025

    The Author Email: YANG Pengyi (15205513410@163.com)

    DOI:10.13756/j.gtxyj.2024.230092

    Topics