High contrast optical modulation by surface acoustic waves
classification
⚛️ physics.optics
keywords
contrastmodulationacoustichighopticalstructuressurfacewaves
read the original abstract
Numerical Calculations are employed to study the modulation of light by surface acoustic waves (SAWs) in photonic band gap (PBG) structures. The on/off contrast ratio in PBG switch based on optical cavity is determined as a function of the SAW induced dielectric modulation. We show that these structures exhibit high contrast ratios even for moderate acousto-optic coupling
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