High-Frequency Photonic Crystal Torsional Optomechanics

Autor: Bishnupada Behera, Hamidreza Kaviani, Ghazal Hajisalem, Paul E. Barclay, Gustavo O. Luiz
Rok vydání: 2020
Předmět:
Zdroj: 2020 IEEE Photonics Conference (IPC).
DOI: 10.1109/ipc47351.2020.9252424
Popis: An optomechanical system that couples external torque to the harmonic vibrations of a photonic crystal nanobeam is presented. Measurements reveal torque sensitivity Of τ min ~ 10-22 — 10-19 nh/ Hz for mechanical frequencies spanning MHz-GHz.
Databáze: OpenAIRE