Abstract

In an integrated silicon optomechanical cavity-waveguide system, we demonstrated on-chip coherent photonic-microwave signal processing which shows clear advantages over purely photonic methods. Specifically, we obtain an optical delay of 13.3 µs for a phonon waveguide length of 43 µm. In addition, we demonstrated microwave filter with reconfigurable pass/rejection bands in the gigahertz frequency range due to a novel radiation-pressure force induced boundary condition change.

© 2015 Optical Society of America