A theoretical and experimental study of acoustic wave coupling in strongly coupled microcavities is presented. Here, we propose an acoustic analogy of Rabi rotations in a system based on porous silicon. We realize a structure consisting of two coupled acoustics microcavities fabricated by electrochemical etching from doped p-type (100) silicon wafers. We measure the acoustic transmission spectra in the frequency domain, and by using the Fourier transform, we obtain the transmission in the time domain. The acoustic transmission spectra of the fabricated sample show the two characteristic acoustic cavity modes, and the analysis in the time domain shows the Rabi-like oscillations originally observed in quantum systems. The experimental results are in good agreement with the transfer matrix and time-resolved acoustic interference theoretical methods used in the study.

提出了强耦合微腔中声波耦合的理论和实验研究。在这里，我们提出了基于多孔硅的系统中拉比旋转的声学模拟。我们实现了一个结构，该结构由两个耦合的声学微腔组成，这些微腔是通过电化学方法从掺杂的p型（100）硅片上蚀刻而成的。我们在频域中测量声传输谱，并通过傅立叶变换获得时域中的声传输。所制备样品的声透射谱显示了两个特征声腔模式，时域分析显示了最初在量子系统中观察到的Rabi类振荡。