Experimental Study on Time-Delay Characteristic and Effective Bandwidth for Chaotic Semiconductor Lasers

Pengbo Liu; Shenghai Zhang; Zhengtong Wei; Tian'an Wu; Xiaoxu Zhang; Wenbo Chen

doi:10.3788/LOP202158.1714003

Laser & Optoelectronics Progress, Volume. 58, Issue 17, 1714003(2021)

Experimental Study on Time-Delay Characteristic and Effective Bandwidth for Chaotic Semiconductor Lasers

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

Abstract Get PDF(in Chinese)

Figures & Tables(6)

Fig. 1. Schematic of chaotic laser experimental device

Download full size

Fig. 2. Simulation results of intensity time series，power spectra，and ACF curves of chaotic laser experimental device

Download full size

Fig. 3. Experimental measurement results of intensity time series，power spectra，and ACF curves of chaotic laser experimental device

Download full size

Fig. 4. Experimental results for the influence of frequency detuning on time delay signature

Download full size

Fig. 5. Influence of frequency detuning on effective bandwidth

Download full size

Table 1. Parameters of chaotic laser experimental device

View table

Table 1. Parameters of chaotic laser experimental device

Parameter	Value
Linewidth enhancement factor $α$	4
Photon lifetime $τ_{p}$ /ps	4.2
Differential gain coefficient $g$ /s^-1	7.8×10⁴
Carrier lifetime $τ_{N}$ /ns	5.6
Feedback strength $γ$ /ns^-1	24
Feedback delay time（D-SL） $τ_{D - S L}$ /ns	75
Feedback delay time（R-SL） $τ_{R - S L}$ /ns	65
Injection delay time $τ_{i}$ /ns	52
Optical angular frequency $ω$ /（rad·s^-1）	1.216×10¹⁵
Detuning frequency $Δ f$ /GHz	3.7
Gain saturation coefficient $ε$	1×10^-7
Carrier density at transparency $N_{0}$	1.25×10⁸
Pumping factor $P$	1.6
Injection current at threshold $J_{t h}$	8×10¹⁶
Injection strength $η$ /ns^-1	15

Tools

Get Citation

Copy Citation Text

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

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Lasers and Laser Optics

Received: Dec. 5, 2020

Accepted: Jan. 11, 2021

Published Online: Sep. 14, 2021

The Author Email: Zhang Shenghai (ccstshz@163.com)

DOI:10.3788/LOP202158.1714003

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology