Phononic Frequency Combs through Nonlinear Resonances

被引：88

作者：

Cao, L. S. ^{[1
,2
,3
,4
]}

Qi, D. X. ^{[1
,2
]}

Peng, R. W. ^{[1
,2
]}

Wang, Mu ^{[1
,2
]}

Schmelcher, P. ^{[3
,4
]}

机构：

[1] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China

[2] Nanjing Univ, Dept Phys, Nanjing 210093, Jiangsu, Peoples R China

[3] Univ Hamburg, Zentrum Opt Quantentechnol, D-22761 Hamburg, Germany

[4] Hamburg Ctr Ultrafast Imaging, D-22761 Hamburg, Germany

来源：

PHYSICAL REVIEW LETTERS | 2014年 / 112卷 / 07期

关键词：

741.1.1 Nonlinear Optics - 931.1 Mechanics;

D O I：

10.1103/PhysRevLett.112.075505

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We explore an analogue of optical frequency combs in driven nonlinear phononic systems, and present a mechanism for generating phononic frequency combs through nonlinear resonances. In the underlying process, a set of phonon modes is simultaneously excited by the external driving which yields frequency combs with an array of discrete and equidistant spectral lines of each nonlinearly excited phonon mode. Frequency combs through nonlinear resonance of different orders are investigated, and in particular the possibility of correlation tailoring in higher-order cases is revealed. We suggest that our results can be applied in various nonlinear acoustic processes, such as phonon harvesting, and can also be generalized to other nonlinear systems.

引用

页数：5

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