Chinese Optics Letters, Volume. 19, Issue 1, 010601(2021)
Physical layer data encryption using two-level constellation masking in 3D-CAP-PON
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Fig. 1. Schematic diagram of physical layer data encryption using two-level constellation masking in 3D-CAP-PON.
Fig. 2. Constellation diagram (a) before masking, (b) after constellation displacement masking, (c) after two-level constellation masking, and (d) with all of the correct keys.
Fig. 3. (a) Phase diagram and (b) bifurcation diagram of the Chua’s chaotic model.
Fig. 4. Experimental setup (CW, continuous wave laser; MZM, Mach–Zehnder modulator; EA, electric amplifier; AWG, arbitrary waveform generator; SSMF, standard single-mode fiber; VOA, variable optical attenuator; PD, photodetector; MSO, mixed signal oscilloscope).
Fig. 5. BER curves of illegal receiver, 3D-CAP-8 for back-to-back (b2b) and 25 km transmission.
Fig. 7. Measured BER curves at the illegal receiver with different keys.
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Shuaidong Chen, Bo Liu, Yaya Mao, Jianxin Ren, Xiumin Song, Rahat Ullah, Delin Zhao, Lei Jiang, Shun Han, Jianye Zhao, Jiajia Shen, Xueyang Liu, "Physical layer data encryption using two-level constellation masking in 3D-CAP-PON," Chin. Opt. Lett. 19, 010601 (2021)
Paper Information
Category: Fiber Optics and Optical Communications
Received: Jul. 20, 2020
Accepted: Sep. 4, 2020
Posted: Sep. 7, 2020
Published Online: Dec. 7, 2020
The Author Email: Bo Liu (bo@nuist.edu.cn)
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