Dispersive radiation and regime switching of oscillating bound solitons in twin-core fibers near zero-dispersion wavelength

Abstract

We study resonant radiation generated by bound solitons in a twin-core fiber near zero-dispersion wavelength, in the presence of higher order dispersion terms. We propose a theoretical description of dispersive wave generation mechanism and derive resonance conditions. The presence of third order dispersion term leads to generation of polychromatic dispersive radiation and transition from the regime of center of mass oscillations to the regime of amplitude oscillations. Such a transition is not reproduced in the case of symmetric fourth order dispersion.

7 pages, 4 figures

References in corpus (1)

• Coupled Airy breathers

Cited by in corpus (3)

• Two-color soliton meta-atoms and molecules
• Resonant Kushi-comb-like multi-frequency radiation of oscillating two-color soliton molecules
• Cherenkov radiation and scattering of external dispersive waves by two-color solitons