[Th-A1-D] Mechanical hybrid systems

10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[Th-A1-D-05] Real-space visualization reveals symmetry-governed nonlinear energy routing in a mechanical resonator

〇Ya Zhang¹, Yuko Terasawa¹, Qian Liu¹, Kazuhiko Hirakawa^1,2 (1. Tokyo Univ. of Agriculture and Technology (Japan), 2. The Univ. of Tokyo (Japan))

We directly image nonlinear energy transfer in a mechanical resonator using multi-harmonic stroboscopic interferometry. The result shows that efficient energy transfer occurs preferentially between modes with the same mirror symmetry.