Robust ultrashort light bullets in strongly twisted waveguide arrays
Optics
2019-10-23 v1 Pattern Formation and Solitons
Abstract
We introduce a new class of stable light bullets that form in twisted waveguide arrays pumped withultrashort pulses, where twisting offers a powerful knob to tune the properties of localized states.We find that above a critical twist, three-dimensional wavepackets are unambiguously stabilized,with no minimum energy threshold. As a consequence, when the higher order perturbations thataccompany ultrashort pulse propagation are at play, the bullets dynamically adjust and sweep alongstable branches. Therefore, they are predicted to feature an unprecedented experimental robustness.
Keywords
Cite
@article{arxiv.1909.04372,
title = {Robust ultrashort light bullets in strongly twisted waveguide arrays},
author = {Carles Milián and Yaroslav V. Kartashov and Lluis Torner},
journal= {arXiv preprint arXiv:1909.04372},
year = {2019}
}
Comments
6 pages, 5 figures (to appear in Physical Review Letters)