We fabricate a novel multimode optomechanical system in a nanoscale photonic crystal platform, capable of enhancing nonlinear optomechanical coupling. Using thermal and oxidation tuning we match mode frequencies and demonstrate strong optical coupling.

OSA Technical Digest
doi.org/10.1364/fio.2021.fth4e.1
Photonic Forces

Burgwal, R., & Verhagen, E. (2021). Coupled nano-optomechanical cavities for enhancing nonlinear optomechanics. In Frontiers in Optics + Laser Science 2021,Technical Digest Series (Optical Society of America, 2021), paper FTh4E.1. doi:10.1364/fio.2021.fth4e.1