Photonic Cavity Synchronization of Nanomechanical Oscillators

被引：171

作者：

Bagheri, Mahmood ^{[1
]}

Poot, Menno ^{[1
]}

Fan, Linran ^{[1
]}

Marquardt, Florian ^{[2
,3
]}

Tang, Hong X. ^{[1
]}

机构：

[1] Yale Univ, Dept Elect Engn, New Haven, CT 06511 USA

[2] Univ Erlangen Nurnberg, Inst Theoret Phys 2, D-91058 Erlangen, Germany

[3] Max Planck Inst Sci Light, D-91058 Erlangen, Germany

来源：

PHYSICAL REVIEW LETTERS | 2013年 / 111卷 / 21期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.111.213902

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Synchronization in oscillatory systems is a frequent natural phenomenon and is becoming an important concept in modern physics. Nanomechanical resonators are ideal systems for studying synchronization due to their controllable oscillation properties and engineerable nonlinearities. Here we demonstrate synchronization of two nanomechanical oscillators via a photonic resonator, enabling optomechanical synchronization between mechanically isolated nanomechanical resonators. Optical backaction gives rise to both reactive and dissipative coupling of the mechanical resonators, leading to coherent oscillation and mutual locking of resonators with dynamics beyond the widely accepted phase oscillator (Kuramoto) model. In addition to the phase difference between the oscillators, also their amplitudes are coupled, resulting in the emergence of sidebands around the synchronized carrier signal.

引用

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