Classical dynamical localization in a strongly driven two-mode mechanical system

20 Jun 2017  ·  Fu Hao, Gong Zhi-cheng, Yang Li-ping, Mao Tian-hua, Sun Chang-pu, Yi Su, Li Yong, Cao Geng-yu ·

We report the realization of dynamical localization in a strongly driven two-mode optomechanical system consisting of two coupled cantilevers. Due to the coupling, mechanical oscillations can transport between the cantilevers... However, by placing one of the cantilevers inside a harmonically oscillating optical trap, we demonstrate that mechanical oscillations become tightly bounded to the isolated cantilevers rather than propagate away at specific driving parameters. The effect of dynamical localization is employed to induce a conductor-to-insulator-like transition in the two-mode mechanical system, which opens up new possibilities for further coherent control of transport phenomena in coupled-mechanical-resonator based lattice. read more

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Optics Mesoscale and Nanoscale Physics Quantum Physics