Torsional optomechanical cooling of a nanofiber  

作　　者：Dianoiang Su Pablo Solano Jeffrey D.Wack Luis A.Orozco Yanting Zhao 

机构地区：[1]State Key Laboratory of Quantum Optics and Quantum Optics Devices,Institute of Laser Spectroscopy,Shanxi University,Taiyuan 030006,China [2]Collaborative Innovation Center of Extreme Optics,Shanxi University,Taiyuan 030006,China [3]Departamento de Fisica,Facultad de Ciencias Fisicas y Matematicas,Universidad de Concepcion,Concepción,Chile [4]Joint Quantum Institute,Department of Physics and NIST,University of Maryland,College Park,Maryland 20742,USA

出　　处：《Photonics Research》2022年第2期601-609,共9页光子学研究（英文版）

基　　金：National Key Research and Development Program of China (2017YFA0304203);National Natural Science Foundation of China (12034012, 61675120,61875110, 6210031464);National Natural Science Foundation of China for Excellent Research Team(61121064);Shanxi "1331 Project" Key Subjects Construction;PCSIRT (IRT_17R70);111 Project(D18001);CONICYT-PAI (77190033);Fondo Nacional de Desarrollo Científico y Tecnológico (11200192)。

摘　　要：We demonstrate the optomechanical cooling of a tapered optical nanofiber by coupling the polarization of light to the mechanical angular momentum of the system. The coupling is enabled by birefringence in the fiber and does not make use of an optical resonator. We find evidence for cooling in the distribution of thermally driven amplitude fluctuations and the noise spectrum of the torsional modes. Our proof-of-principle demonstration shows cavity-less cooling of the torsional degree of freedom of a macroscopically extended nanofiber.

关 键 词：FIBER POLARIZATION RESONATOR 

分 类 号：TN2[电子电信—物理电子学]