Enhancement of backward second harmonic generation of acoustic waves in a resonant cavity by using a superlattice
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- 作者：Shi Chen ; chenshi@snnu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Wenxu Hu ; Chenghui Wang ; Changchun Hao ; Zhen Xu ; Yinhong Zhang ; Shuyu Lin
- 关键词：Nonlinear enhancement effect ; Defective modes ; Second harmonic generation ; Superlattice
- 刊名：Ultrasonics
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：73
- 期：Complete
- 页码：107-113
- 全文大小：877 K
文摘
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The acoustic impedance mismatching can lead to the nonlinearity enhancement.
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Acoustic defective modes can lead to the nonlinearity enhancement.
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The dual-resonance phenomenon appears automatically in these systems.