Dispersion-engineered Floquet–Bloch phonon polaritons for extreme infrared beam control

Key Points

• Enhanced control of infrared beams is achieved using Floquet–Bloch phonon polaritons.
• Key metrics include improved modulation bandwidth and efficiency in beam steering applications.
• Analysis presents dispersion-engineered structures that enable these phonon polariton features.
• Significance lies in potential advancements for optical technology applications and device performance.