Beam dynamics and wave packet splitting in a periodically curved optical waveguide: multimode effects.

Area of Science:

• Optics and Photonics
• Quantum Optics
• Wave Phenomena

Background:

• Wave packet splitting in periodically bent optical waveguides is a recently observed phenomenon.
• This effect is analogous to adiabatic stabilization in atomic physics exposed to intense laser fields.
• Understanding this phenomenon is crucial for controlling light propagation in optical systems.

Purpose of the Study:

• To theoretically and experimentally investigate beam dynamics and wave packet splitting in multimode optical waveguides.
• To explore the conditions under which wave packet splitting can be inhibited.
• To establish the connection between optical waveguide behavior and atomic physics phenomena.

Main Methods:

• Theoretical analysis of light propagation in periodically bent multimode waveguides.
• Experimental observation of beam dynamics and wave packet splitting.
• Utilizing higher-order mode excitation to study inhibition effects.

Main Results:

• Wave packet splitting of light was analyzed in the multimode operational regime.
• Theoretical predictions and experimental observations confirmed the inhibition of wave packet splitting.
• Inhibition was specifically observed when utilizing higher-order mode excitation.

Conclusions:

• The study successfully analyzed beam dynamics and wave packet splitting in bent optical waveguides.
• Inhibition of wave packet splitting is achievable through higher-order mode excitation.
• This research provides insights into controlling light behavior in complex optical structures.