• Laser & Optoelectronics Progress
  • Vol. 59, Issue 3, 0314006 (2022)
Xiangyu Wang1、2, Longsheng Wang1、2, Yuanyuan Guo1、2, Zhiwei Jia1、2, Anbang Wang1、2、*, and Yuncai Wang3、4
Author Affiliations
  • 1Key Laboratory of Advanced Transducers and Intelligent Control System, Ministry of Education (Taiyuan University of Technology), Taiyuan , Shanxi 030024, China
  • 2College of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan , Shanxi 030024, China
  • 3School of Information Engineering, Guangdong University of Technology, Guangzhou , Guangdong 510006, China
  • 4Guangdong Provincial Key Laboratory of Photonics Information Technology, Guangzhou , Guangdong 510006, China
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    DOI: 10.3788/LOP202259.0314006 Cite this Article Set citation alerts
    Xiangyu Wang, Longsheng Wang, Yuanyuan Guo, Zhiwei Jia, Anbang Wang, Yuncai Wang. Generation of Wideband Chaos Without Time-Delay Signature via Cascaded Chirped Fiber Bragg Grating Feedback[J]. Laser & Optoelectronics Progress, 2022, 59(3): 0314006 Copy Citation Text show less
    Experimental setup for generating wideband and without time-delay signature chaos
    Fig. 1. Experimental setup for generating wideband and without time-delay signature chaos
    Chaotic signal output by single CFBG feedback laser atκf=3.47. (a) Optical spectrum; (b) spectrum; (c) time series; (d) autocorrelation
    Fig. 2. Chaotic signal output by single CFBG feedback laser atκf=3.47. (a) Optical spectrum; (b) spectrum; (c) time series; (d) autocorrelation
    Bandwidth and TDS as a function of optical feedback strength at Δλ=-0.19 nm. (a) 3 dB bandwidth; (b) TDS
    Fig. 3. Bandwidth and TDS as a function of optical feedback strength at Δλ=-0.19 nm. (a) 3 dB bandwidth; (b) TDS
    Bandwidth and TDS as a function of wavelength detuning atκf=3.47. (a) 3 dB bandwidth; (b) TDS
    Fig. 4. Bandwidth and TDS as a function of wavelength detuning atκf=3.47. (a) 3 dB bandwidth; (b) TDS
    Chaotic signal output from laser subjected to cascaded CFBG feedback at κf=3.55. (a) Optical spectrum; (b) spectrum; (c) time series; (d) autocorrelation
    Fig. 5. Chaotic signal output from laser subjected to cascaded CFBG feedback at κf=3.55. (a) Optical spectrum; (b) spectrum; (c) time series; (d) autocorrelation
    Bandwidth and TDS as a function of optical feedback strength at Δλ=-0.20 nm. (a) 3 dB bandwidth; (b) TDS
    Fig. 6. Bandwidth and TDS as a function of optical feedback strength at Δλ=-0.20 nm. (a) 3 dB bandwidth; (b) TDS
    Bandwidth and TDS as a function of wavelength detuning at κf=3.55. (a) 3 dB bandwidth; (b) TDS
    Fig. 7. Bandwidth and TDS as a function of wavelength detuning at κf=3.55. (a) 3 dB bandwidth; (b) TDS
    Xiangyu Wang, Longsheng Wang, Yuanyuan Guo, Zhiwei Jia, Anbang Wang, Yuncai Wang. Generation of Wideband Chaos Without Time-Delay Signature via Cascaded Chirped Fiber Bragg Grating Feedback[J]. Laser & Optoelectronics Progress, 2022, 59(3): 0314006
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