Title :
Single nanoparticle detection by mode splitting in ultra-high-Q microtoroid
Author :
Zhu, Jiangang ; Xiao, Yun-Feng ; Li, Lin ; He, Lina ; Chen, Da-Ren ; Yang, Lan
Author_Institution :
Dept. of Electr. & Syst. Eng., Washington Univ. in St. Louis, St. Louis, MO, USA
Abstract :
We experimentally demonstrate that a single nanoparticle can induce mode splitting of MHz in an ultra-high-Q microtoroid resonator, which can be used to extract information of the nanoparticle. Analytical model matches well with the experiments.
Keywords :
micromechanical resonators; nanoparticles; nanophotonics; optical resonators; analytical model; information extraction; mode splitting; single nanoparticle detection; ultra-high-Q microtoroid resonator; Analytical models; Biomedical optical imaging; Nanoparticles; Optical refraction; Optical resonators; Optical scattering; Optical sensors; Optical variables control; Particle scattering; Resonance light scattering; (120.1880) Detection; (130.3990) Micro-optical devices; (230.5750) Resonators;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
