Wave propagation in periodically-curved waveguides: the quantum-mechanical analogy

Abstract

The properties of beam propagation in a periodically-curved optical waveguide beyond the usual perturbative approach are theoretically studied. The existence of unusual and exotic effects, such as dynamic beam splitting, dynamic directional coupling, and reduction of radiation losses are also shown. These unusual and exotic effects are fully similar to the phenomena of dynamic wave function stabilization, ionization quenching and wavepacket dichotomy encountered in multiphoton radiation-matter processes with super-intense and high-frequency laser fields.