• Laser & Optoelectronics Progress
  • Vol. 58, Issue 17, 1714003 (2021)
Pengbo Liu, Shenghai Zhang*, Zhengtong Wei, Tian'an Wu, Xiaoxu Zhang, and Wenbo Chen
Author Affiliations
  • Foundation Department, PLA Information Engineering University, Zhengzhou, Henan 450001, China
  • show less
    DOI: 10.3788/LOP202158.1714003 Cite this Article Set citation alerts
    Pengbo Liu, Shenghai Zhang, Zhengtong Wei, Tian'an Wu, Xiaoxu Zhang, Wenbo Chen. Experimental Study on Time-Delay Characteristic and Effective Bandwidth for Chaotic Semiconductor Lasers[J]. Laser & Optoelectronics Progress, 2021, 58(17): 1714003 Copy Citation Text show less
    Schematic of chaotic laser experimental device
    Fig. 1. Schematic of chaotic laser experimental device
    Simulation results of intensity time series,power spectra,and ACF curves of chaotic laser experimental device
    Fig. 2. Simulation results of intensity time series,power spectra,and ACF curves of chaotic laser experimental device
    Experimental measurement results of intensity time series,power spectra,and ACF curves of chaotic laser experimental device
    Fig. 3. Experimental measurement results of intensity time series,power spectra,and ACF curves of chaotic laser experimental device
    Experimental results for the influence of frequency detuning on time delay signature
    Fig. 4. Experimental results for the influence of frequency detuning on time delay signature
    Influence of frequency detuning on effective bandwidth
    Fig. 5. Influence of frequency detuning on effective bandwidth
    ParameterValue
    Linewidth enhancement factor α4
    Photon lifetime τp /ps4.2
    Differential gain coefficient g /s-17.8×104
    Carrier lifetime τN /ns5.6
    Feedback strength γ /ns-124
    Feedback delay time(D-SL)τD-SL /ns75
    Feedback delay time(R-SL)τR-SL /ns65
    Injection delay time τi /ns52
    Optical angular frequency ω /(rad·s-11.216×1015
    Detuning frequency Δf /GHz3.7
    Gain saturation coefficient ε1×10-7
    Carrier density at transparency N01.25×108
    Pumping factor P1.6
    Injection current at threshold Jth8×1016
    Injection strength η /ns-115
    Table 1. Parameters of chaotic laser experimental device
    Pengbo Liu, Shenghai Zhang, Zhengtong Wei, Tian'an Wu, Xiaoxu Zhang, Wenbo Chen. Experimental Study on Time-Delay Characteristic and Effective Bandwidth for Chaotic Semiconductor Lasers[J]. Laser & Optoelectronics Progress, 2021, 58(17): 1714003
    Download Citation