Acoustic confinement and stimulated Brillouin scattering in integrated optical waveguides
Acoustic confinement and stimulated Brillouin scattering in integrated optical waveguides
We examine the effect of acoustic mode confinement on Stimulated Brillouin Scattering in optical waveguides that consist of a guiding core embedded in a solid substrate. We find that SBS can arise due to coupling to acoustic modes in three different regimes. First, the acoustic modes may be guided by …