Nonlinear dynamics of a passively Q-switched Nd:YAG/Cr:YAG laser subject to rectangular wave pump modulation

In this work, we theoretically investigate the dynamic behaviors of a passively Q-switched Nd:YAG/Cr:YAG laser under rectangular wave pump modulation. The results show that, fixing the parameter of pump modulation, such as modulation amplitude ( A m ), modulation frequency ( f m ), unmodulated pump...

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Published inLaser physics Vol. 35; no. 7; pp. 75401 - 75407
Main Authors Sun, Zhaoqi, Bian, Jiayi, Wang, Qiupin, Xia, Guangqiong, Deng, Tao, Lin, Xiaodong, Wu, Zhengmao, Chen, Jianjun, Fan, Li, Gao, Ziye
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.07.2025
Subjects
Nd:YAG/Cr:YAG
nonlinear dynamics
passively Q-switched laser
rectangular wave pump modulation
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Abstract In this work, we theoretically investigate the dynamic behaviors of a passively Q-switched Nd:YAG/Cr:YAG laser under rectangular wave pump modulation. The results show that, fixing the parameter of pump modulation, such as modulation amplitude ( A m ), modulation frequency ( f m ), unmodulated pump rate ( P 0 ) and duty ratio ( DR m ), the passively Q-switched Nd:YAG/Cr:YAG laser can exhibit a variety of nonlinear dynamical behaviors such as period-one (P1), period-two (P2), multi-period and chaotic pulsation. Bifurcation diagrams show that both pulse intensity and pulse frequency display nonlinear dynamics, illustrating an evolution path of quasi-periodic bifurcation. Additionally, mappings uncover the transitions between different dynamic states in the parameter space of the DR m between and other parameters.
AbstractList In this work, we theoretically investigate the dynamic behaviors of a passively Q-switched Nd:YAG/Cr:YAG laser under rectangular wave pump modulation. The results show that, fixing the parameter of pump modulation, such as modulation amplitude ( A m ), modulation frequency ( f m ), unmodulated pump rate ( P 0 ) and duty ratio ( DR m ), the passively Q-switched Nd:YAG/Cr:YAG laser can exhibit a variety of nonlinear dynamical behaviors such as period-one (P1), period-two (P2), multi-period and chaotic pulsation. Bifurcation diagrams show that both pulse intensity and pulse frequency display nonlinear dynamics, illustrating an evolution path of quasi-periodic bifurcation. Additionally, mappings uncover the transitions between different dynamic states in the parameter space of the DR m between and other parameters.
Author Sun, Zhaoqi
Xia, Guangqiong
Wu, Zhengmao
Deng, Tao
Lin, Xiaodong
Gao, Ziye
Fan, Li
Chen, Jianjun
Bian, Jiayi
Wang, Qiupin
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Snippet In this work, we theoretically investigate the dynamic behaviors of a passively Q-switched Nd:YAG/Cr:YAG laser under rectangular wave pump modulation. The...
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iop
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StartPage 75401
SubjectTerms Nd:YAG/Cr:YAG
nonlinear dynamics
passively Q-switched laser
rectangular wave pump modulation
Title Nonlinear dynamics of a passively Q-switched Nd:YAG/Cr:YAG laser subject to rectangular wave pump modulation
URI https://iopscience.iop.org/article/10.1088/1555-6611/adebf1
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