Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Nanophotonic optomechanics in Si and wide-bandgap materials

Recent advances in optomechanics utilize the co-localization of optical and mechanical modes for coherent energy exchange between photons and phonons within nanoscale structures. These optomechanical devices have demonstrated exceptional promise as sensors of mechanical motion, and as probes of mesoscopic quantum effects. We have recently demonstrated optomechanical devices optimized for detecting torsional excitations associated with nanoelectronic and magnetic systems. These devices are created from "split beam" photonic crystal nanocavities, which allow optical coupling to a variety of torsional and cantilever mechanical modes. I will discuss recent observations of dissipative optomechanical coupling in these devices, as well as recent progress in creating optomechanical structures from large bandgap materials including GaP and diamond.


kartik.srinivasan [at] (Kartik Srinivasan); 301-975-5938

Professor Paul Barclay

University of Calgary and the NRC National Institute for Nanotechnology

Created August 28, 2014, Updated September 21, 2016