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
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