Excitation of coupled phononic frequency combs via two-mode parametric three-wave mixing
arXiv:1708.07563 · doi:10.1103/PhysRevB.97.014302
Abstract
This paper builds on the recent demonstration of three-wave mixing based phononic frequency comb. Here, in this process, an intrinsic coupling between the drive and resonant frequency leads to a frequency comb of spacing corresponding to the separation between drive and resonant frequency. Now, in this paper, we experimentally demonstrate the possibility to further excite multiple frequency combs with the same external drive through its coupling with other identical devices. In addition, we also experimentally identify interesting features associated with such a frequency comb generation process.
arXiv comment10 pages, 5 figures
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