Photonics Research, Volume. 11, Issue 6, 953(2023)
Chaos synchronization of semiconductor lasers over 1040-km fiber relay transmission with hybrid amplification
Fig. 1. (a) Fiber-loop experiment for investigating fidelity transmission of laser chaos; (b) setup of long-reach chaos synchronization. SL: semiconductor laser; DL: drive laser;
Fig. 2. Single-span fiber transmission. (a) Experimental and (b) simulated fidelities as a function of optical power launched into the fiber for a fixed loop length
Fig. 3. Single-span fiber transmission. (a) Experimental and (b) simulated maximum fidelities and optimum launching power as a function of fiber loop length.
Fig. 4. Multispan fiber transmission with the EDFA relay. (a) Experimental and (b) simulated maximum fidelities as a function of relay number for different fiber loop lengths
Fig. 5. Single-span fiber transmission. (a) Experimental and (b) simulated fidelity as a function of optical power launched into the fiber at different gain ratios of the DFRA and the EDFA for a fixed fiber loop length
Fig. 6. Single-span fiber transmission. (a) Experimental and (b) simulated maximum fidelity, optimum launching power, and gain ratio as a function of the fiber loop length.
Fig. 7. Multispan fiber transmission with the EDFA and the DFRA relay. (a) Experimental and (b) simulated maximum fidelities as a function of relay number for different fiber loop lengths
Fig. 8. Experimental results of a 1040-km chaos transmission over a straight fiber link using hybrid amplification. (a) Optical spectra; (b) radio-frequency spectra; (c) temporal waveforms; (d) scatter plot.
Fig. 9. Experimental results of 1040-km chaos synchronization. (a) Optical spectra; (b) radio-frequency spectra; (c) temporal waveforms; (d) scatter plot. The injection strengths of
Fig. 10. 1040-km chaos synchronization coefficient as a function of (a) time and (b) chaos bandwidth after low-pass filtering (LPF).
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Longsheng Wang, Junli Wang, Yushan Wu, Yuehui Sun, Songsui Li, Lianshan Yan, Yuncai Wang, Anbang Wang. Chaos synchronization of semiconductor lasers over 1040-km fiber relay transmission with hybrid amplification[J]. Photonics Research, 2023, 11(6): 953
Category: Fiber Optics and Optical Communications
Received: Oct. 17, 2022
Accepted: Mar. 25, 2023
Published Online: Jun. 8, 2023
The Author Email: Anbang Wang (wanganbang@tyut.edu.cn)