A strongly-coupled $\Lambda$-type micromechanical system
Mesoscale and Nanoscale Physics
2018-06-22 v1
Abstract
We study a classical -type three-level system based on three high- micromechanical beam resonators embedded in a gradient electric field. By modulating the strength of the field at the difference frequency between adjacent beam modes, we realize strong dynamic two-mode coupling, via the dielectric force. Driving adjacent pairs simultaneously, we observe the formation of a purely mechanical 'dark' state and an all-phononic analog of coherent population trapping --- signatures of strong three-mode coupling. The -type micromechanical system is a natural extention of previously demonstrated 'two-level' micromechanical systems and offers new perspectives on the architecture of all-phononic micromechanical circuits and arrays.
Cite
@article{arxiv.1601.05623,
title = {A strongly-coupled $\Lambda$-type micromechanical system},
author = {Hajime Okamoto and Ryan Schilling and Hendrik Schütz and Vivishek Sudhir and Dalziel J. Wilson and Hiroshi Yamaguchi and Tobias J. Kippenberg},
journal= {arXiv preprint arXiv:1601.05623},
year = {2018}
}
Comments
5 pages, 5 figures