Journals Articles Conferences News About CLP
Submit a paper Email Alert
Search
Search
Articles
Journals
News
Advanced Search
Top Searches
2D MaterialsTransformation opticsQuantum PhotonicsSmall lasersSemiconductor UV PhotonicsSupersymmetric microring laser arrays

Chinese Journal of Lasers, Volume. 50, Issue 6, 0606001(2023)

Design and Implementation of All‐Optical Synchronization Scheme in Optical‐Fiber Secure Communication

Dongdong Cao1,2、*, Mingming Wang1,2, Jiang Li2, Weitao Zhang1,2, Tao Ran1,2, Hongzhe Sun1,2, and Zhenqian Yang1,2
Author Affiliations
  • 1Key Laboratory for Fault Diagnosis and Maintenance of Spacecraft in Orbit, Xi’an 710043, Shaanxi, China
  • 2Xi’an Satellite Control Center, Xi’an 710043, Shaanxi, China
    • show less
    AbstractGet PDF(in Chinese)
    Figures&Tables (22)
    Equations (0)
    References (22)
    Tools
    Paper Information
    Topics
    Figures & Tables(22)
    Principle diagram of all-optical synchronization scheme

    Fig. 1. Principle diagram of all-optical synchronization scheme

    Download full size
    Schematic of impulse signal. (a) Code 1; (b) code 0

    Fig. 2. Schematic of impulse signal. (a) Code 1; (b) code 0

    Download full size
    Time domain waveform of signals before WDM.

    Fig. 3. Time domain waveform of signals before WDM.

    Download full size
    Demultiplexed time domain waveform of signals.

    Fig. 4. Demultiplexed time domain waveform of signals.

    Download full size
    Time domain waveform of decryption key signal

    Fig. 5. Time domain waveform of decryption key signal

    Download full size
    Time domain waveform of ciphertext signal after time delay and power adjusting

    Fig. 6. Time domain waveform of ciphertext signal after time delay and power adjusting

    Download full size
    Time domain waveform of plaintext signal.

    Fig. 7. Time domain waveform of plaintext signal.

    Download full size
    Signal eye patterns. (a) Ciphertext signal before WDM; (b) demultiplexed ciphertext signal; (c) recovered plaintext signal after decrypting

    Fig. 8. Signal eye patterns. (a) Ciphertext signal before WDM; (b) demultiplexed ciphertext signal; (c) recovered plaintext signal after decrypting

    Download full size
    Time domain waveform of ciphertext signal before WDM

    Fig. 9. Time domain waveform of ciphertext signal before WDM

    Download full size
    Demultiplexed time domain waveform of signals.

    Fig. 10. Demultiplexed time domain waveform of signals.

    Download full size
    Time domain waveform of decryption key signal

    Fig. 11. Time domain waveform of decryption key signal

    Download full size
    Time domain waveform of ciphertext signal after time delay correction and power adjusting

    Fig. 12. Time domain waveform of ciphertext signal after time delay correction and power adjusting

    Download full size
    Time domain waveform of plaintext signal. (a) Recovered plaintext signal after decrypting; (b) original plaintext signal before encrypting

    Fig. 13. Time domain waveform of plaintext signal. (a) Recovered plaintext signal after decrypting; (b) original plaintext signal before encrypting

    Download full size
    Signal eye patterns. (a) Ciphertext signal before WDM; (b) demultiplexed ciphertext signal; (c) recovered plaintext signal after decrypting

    Fig. 14. Signal eye patterns. (a) Ciphertext signal before WDM; (b) demultiplexed ciphertext signal; (c) recovered plaintext signal after decrypting

    Download full size
    Signal eye pattern of recovered plaintext signal after decrypting. (a) T=-7 ps; (b) T=-4 ps; (c) T=-2 ps; (d) T=-1 ps; (e) T=0 ps; (f) T=1 ps; (g) T=2 ps; (h) T=4 ps; (i) T=7 ps

    Fig. 15. Signal eye pattern of recovered plaintext signal after decrypting. (a) T=-7 ps; (b) T=-4 ps; (c) T=-2 ps; (d) T=-1 ps; (e) T=0 ps; (f) T=1 ps; (g) T=2 ps; (h) T=4 ps; (i) T=7 ps

    Download full size
    Demultiplexed time domain waveform of signals.

    Fig. 16. Demultiplexed time domain waveform of signals.

    Download full size
    Time domain waveform of decryption key signal

    Fig. 17. Time domain waveform of decryption key signal

    Download full size
    Time domain waveform of ciphertext signal after time delay correction and power adjusting

    Fig. 18. Time domain waveform of ciphertext signal after time delay correction and power adjusting

    Download full size
    Time domain waveform of recovered plaintext signal after decrypting

    Fig. 19. Time domain waveform of recovered plaintext signal after decrypting

    Download full size
    Signal eye patterns. (a) Ciphertext signal before WDM; (b) demultiplexed ciphertext signal; (c) recovered plaintext signal after decrypting

    Fig. 20. Signal eye patterns. (a) Ciphertext signal before WDM; (b) demultiplexed ciphertext signal; (c) recovered plaintext signal after decrypting

    Download full size

    • Table 1. Main parameter setting of G.655 fiber

      View table

      Table 1. Main parameter setting of G.655 fiber

      ParameterValue

      Reference wavelength /nm

      Fiber loss /（dB·km-1）

      Dispersion coefficient /（ps·nm-1·km-1）

      Dispersion slope /（ps·nm-2·km-1）

      Mode field area /μm2

      Nonlinear refractivity coefficient n2/（m2·W-1）

      1550

      0.2

      ±4.12

      0.0828

      85

      2.6×10-20

    • Table 2. Influence of password synchronization state on recovered plaintext signal after decrypting

      View table

      Table 2. Influence of password synchronization state on recovered plaintext signal after decrypting

      T /psBERQ factorT /psBERQ factorT /psBERQ factor

      -12

      -11

      -10

      -9

      -8

      -7

      -6

      -5

      -4

      1

      2.54×10-2

      1.39×10-2

      7.01×10-3

      2.63×10-3

      1.30×10-4

      1.62×10-5

      7.13×10-7

      1.36×10-9

      0

      1.88

      2.13

      2.41

      2.73

      3.62

      4.12

      4.81

      5.92

      -3

      -2

      -1

      0

      1

      2

      3

      4

      5

      9.94×10-12

      7.92×10-13

      2.59×10-13

      1.85×10-13

      5.92×10-13

      1.29×10-12

      2.63×10-11

      3.07×10-10

      9.13×10-8

      6.69

      7.05

      7.17

      7.29

      7.10

      6.86

      6.54

      6.10

      5.21

      6

      7

      8

      9

      10

      11

      12

      6.54×10-7

      4.58×10-6

      5.70×10-4

      1.76×10-3

      4.56×10-3

      3.12×10-2

      1

      4.83

      4.42

      3.22

      2.87

      2.54

      1.76

      0

    Tools

    Get Citation

    Copy Citation Text

    Dongdong Cao, Mingming Wang, Jiang Li, Weitao Zhang, Tao Ran, Hongzhe Sun, Zhenqian Yang. Design and Implementation of All‐Optical Synchronization Scheme in Optical‐Fiber Secure Communication[J]. Chinese Journal of Lasers, 2023, 50(6): 0606001

    Download Citation

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

    Category: Fiber optics and optical communication

    Received: Mar. 21, 2022

    Accepted: May. 10, 2022

    Published Online: Feb. 23, 2023

    The Author Email: Cao Dongdong (cdd99992020@163.com)

    DOI:10.3788/CJL220680

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology