Acta Photonica Sinica, Volume. 52, Issue 6, 0606003(2023)
Laser Chaotic Synchronization Communication Based on LSTM
Figures & Tables(17)
Fig. 2. The schematic of optical feedback communication system based on LSTM
Fig. 3. The message series of transmitter in optical feedback system
Fig. 4. The variation trend of loss function with iteration period during the training progress in optical feedback system
Fig. 5. The decrypted message of receiver in optical feedback system
Fig. 6. The schematic of photoelectric feedback communication system based on LSTM
Fig. 7. The message series of transmitter in photoelectric feedback system
Fig. 8. The variation trend of loss function with iteration period during the training progress in photoelectric feedback system
Fig. 9. The decrypted message of receiver in photoelectric feedback system
Fig. 13. The effect of Gaussian noise and salt and pepper noise on system image transmission
Table 1. Parameters values in simulation
View tableView in ArticleTable 1. Parameters values in simulation
Symbol Description Value Line width enhance factor 3 Feedback intensity of SL 30 ns-1 Feedback delay of SL 1.2 ns Carrier decay rate 0.65 ns Bias current 38.06 mA Photon decay rate 496 ns-1 Differential gain 1.2 Transparent carrier number 1.25 s Saturation coefficient 5
Table 2. The value of synchronization coefficient，BER and RMSE at different nodes in Fig. 10
View tableView in ArticleTable 2. The value of synchronization coefficient，BER and RMSE at different nodes in Fig. 10
LSTM nodes 100 200 300 400 500 600 Synchronization coefficient 0.999 90 0.999 84 0.999 93 0.999 74 0.999 30 0.998 82 BER 1.11×10-24 3.28×10-12 1.04×10-18 1.65×10-29 2.60×10-16 3.01×10-10 RMSE 3.71×10-3 5.58×10-3 4.34×10-3 7.73×10-3 1.06×10-2 1.59×10-2 LSTM nodes 700 800 900 1 000 1 100 1 200 Synchronization coefficient 0.999 77 0.999 71 0.998 23 0.997 58 0.998 48 0.997 61 BER 1.96×10-29 2.43×10-21 5.36×10-12 2.51×10-3 3.33×10-3 2.52×10-3 RMSE 6.60×10-3 7.52×10-3 1.80×10-2 2.00×10-2 1.71×10-2 1.83×10-2
Table 3. The impact of the slight nodes on system performance
View tableView in ArticleTable 3. The impact of the slight nodes on system performance
LSTM nodes 40 80 120 160 200 240 Synchronization coefficient 0.999 94 0.999 92 0.999 89 0.999 93 0.999 93 0.999 96 BER 3.49×10-8 2.84×10-24 3.96×10-15 3.31×10-31 9.65×10-21 6.89×10-9 RMSE 7.23×10-3 3.71×10-3 4.99×10-3 3.18×10-3 4.03×10-3 6.82×10-3
Table 4. The value of synchronization coefficient，BER and RMSE at different coupling coefficient in Fig. 11
View tableView in ArticleTable 4. The value of synchronization coefficient，BER and RMSE at different coupling coefficient in Fig. 11
Coupling coefficient 0.02 0.03 0.04 0.05 0.06 0.07 Synchronization coefficient 0.999 85 0.999 69 0.999 93 0.999 95 0.999 95 0.999 84 BER 2.42×10-3 7.35×10-3 5.34×10-6 1.77×10-6 1.15×10-9 1.42×10-9 RMSE 4.58×10-3 6.89×10-3 4.39×10-3 5.27×10-3 4.86×10-3 5.70×10-3 Coupling coefficient 0.08 0.09 0.10 0.11 0.12 Synchronization coefficient 0.999 81 0.999 90 0.999 90 0.999 95 0.999 85 BER 4.55×10-14 5.94×10-31 2.04×10-25 6.26×10-36 1.61×10-18 RMSE 5.52×10-3 3.56×10-3 4.51×10-3 3.92×10-3 6.54×10-3
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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
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)
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