Acta Photonica Sinica, Volume. 52, Issue 6, 0606003(2023)

Laser Chaotic Synchronization Communication Based on LSTM

Hongliang WANG... Xuefang ZHOU*, Weihao CHEN and Fei WANG |Show fewer author(s)
Author Affiliations
  • School of Communication and Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
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    Figures & Tables(17)
    The principle of LSTM communication system
    The schematic of optical feedback communication system based on LSTM
    The message series of transmitter in optical feedback system
    The variation trend of loss function with iteration period during the training progress in optical feedback system
    The decrypted message of receiver in optical feedback system
    The schematic of photoelectric feedback communication system based on LSTM
    The message series of transmitter in photoelectric feedback system
    The variation trend of loss function with iteration period during the training progress in photoelectric feedback system
    The decrypted message of receiver in photoelectric feedback system
    Impact of the LSTM nodes on system performance
    Impact of the coupling coefficient on system performance
    Impact of the SNR on system performance
    The effect of Gaussian noise and salt and pepper noise on system image transmission
    • Table 1. Parameters values in simulation

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      Table 1. Parameters values in simulation

      SymbolDescriptionValue
      αLine width enhance factor3
      kfFeedback intensity of SL30 ns-1
      τfFeedback delay of SL1.2 ns
      γeCarrier decay rate0.65 ns
      IBias current38.06 mA
      γpPhoton decay rate496 ns-1
      gDifferential gain1.2×10-5 ns-1
      N0Transparent carrier number1.25×108
      sSaturation coefficient5×10-7
    • Table 2. The value of synchronization coefficient,BER and RMSE at different nodes in Fig. 10

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      Table 2. The value of synchronization coefficient,BER and RMSE at different nodes in Fig. 10

      LSTM nodes100200300400500600
      Synchronization coefficient0.999 900.999 840.999 930.999 740.999 300.998 82
      BER1.11×10-243.28×10-121.04×10-181.65×10-292.60×10-163.01×10-10
      RMSE3.71×10-35.58×10-34.34×10-37.73×10-31.06×10-21.59×10-2
      LSTM nodes7008009001 0001 1001 200
      Synchronization coefficient0.999 770.999 710.998 230.997 580.998 480.997 61
      BER1.96×10-292.43×10-215.36×10-122.51×10-33.33×10-32.52×10-3
      RMSE6.60×10-37.52×10-31.80×10-22.00×10-21.71×10-21.83×10-2
    • Table 3. The impact of the slight nodes on system performance

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      Table 3. The impact of the slight nodes on system performance

      LSTM nodes4080120160200240
      Synchronization coefficient0.999 940.999 920.999 890.999 930.999 930.999 96
      BER3.49×10-82.84×10-243.96×10-153.31×10-319.65×10-216.89×10-9
      RMSE7.23×10-33.71×10-34.99×10-33.18×10-34.03×10-36.82×10-3
    • Table 4. The value of synchronization coefficient,BER and RMSE at different coupling coefficient in Fig. 11

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      Table 4. The value of synchronization coefficient,BER and RMSE at different coupling coefficient in Fig. 11

      Coupling coefficient0.020.030.040.050.060.07
      Synchronization coefficient0.999 850.999 690.999 930.999 950.999 950.999 84
      BER2.42×10-37.35×10-35.34×10-61.77×10-61.15×10-91.42×10-9
      RMSE4.58×10-36.89×10-34.39×10-35.27×10-34.86×10-35.70×10-3
      Coupling coefficient0.080.090.100.110.12
      Synchronization coefficient0.999 810.999 900.999 900.999 950.999 85
      BER4.55×10-145.94×10-312.04×10-256.26×10-361.61×10-18
      RMSE5.52×10-33.56×10-34.51×10-33.92×10-36.54×10-3
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    Hongliang WANG, Xuefang ZHOU, Weihao CHEN, Fei WANG. Laser Chaotic Synchronization Communication Based on LSTM[J]. Acta Photonica Sinica, 2023, 52(6): 0606003

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Dec. 22, 2022

    Accepted: Feb. 21, 2023

    Published Online: Jul. 27, 2023

    The Author Email: ZHOU Xuefang (zhouxf@hdu.edu.cn)

    DOI:10.3788/gzxb20235206.0606003

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