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Published on: April 26, 2014
Strong Optomechanical Coupling in Nanobeam Cavities based on Hetero Optomechanical Crystals
Zhilei Huang1, Kaiyu Cui1, Yongzhuo Li1
1Department of Electronic Engineering, Tsinghua National Laboratory for Information Science and Technology, Tsinghua University, Beijing, 100084, China.
Scientific Reports
|November 5, 2015
Abstract:
Nanobeam cavities based on hetero optomechanical crystals are proposed. With optical and mechanical modes separately confined by two types of periodic structures, the mechanical frequency is designed as high as 5.88 GHz. Due to the optical field and the strain field concentrated in the optomechanical cavity and resembling each other with an enhanced overlap, a high optomechanical coupling rate of 1.31 MHz is predicted.

