Nonlinear dynamics of a distributed feedback interband cascade laser subject to optoelectronic feedback

Nonlinear dynamics of a distributed feedback interband cascade laser (DFB-ICL) subject to optoelectronic feedback (OEF) are experimentally investigated by analyzing the time series and power spectra in this work. The results demonstrate that under a fixed bias current, diverse nonlinear dynamical st...

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Vydáno v:Optics and laser technology Ročník 192; s. 113712
Hlavní autoři: Zhao, Maorong, Xia, Guangqiong, He, Chaotao, Wang, Qiupin, Kang, Ziyi, Ou, Pu, Liu, Junqi, Liu, Shuman, Wu, Zhengmao
Médium: Journal Article
Jazyk:angličtina
Vydáno: Elsevier Ltd 01.12.2025
Témata:
Interband cascade laser
Nonlinear dynamics
Optoelectronic feedback
Optoelectronic feedback
Nonlinear dynamics
Interband cascade laser
ISSN:0030-3992
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Shrnutí:Nonlinear dynamics of a distributed feedback interband cascade laser (DFB-ICL) subject to optoelectronic feedback (OEF) are experimentally investigated by analyzing the time series and power spectra in this work. The results demonstrate that under a fixed bias current, diverse nonlinear dynamical states including regular pulsing, quasiperiodic pulsing, two-frequency quasiperiodic pulsing, and two types of periodic pulsing oscillations can be observed via varying the feedback strength. For different bias currents, the evolution routes of nonlinear dynamical states in the DFB-ICL under OEF with feedback strength are examined by the power spectra mappings. Moreover, a mapping of the dynamical states in the parameter space of bias current and feedback strength is presented. This work would be helpful to better understand the nonlinear dynamics of DFB-ICL under OEF.
ISSN:0030-3992
DOI:10.1016/j.optlastec.2025.113712