Multiple Temporal Compression as a method to control the generation of bright and dark solitons

TL;DR

This paper extends the Multiple Temporal Compression (MTC) method to generate dark solitons and demonstrates its effectiveness in controlling bright and dark soliton dynamics in waveguides, with potential applications in optical device design.

Contribution

The paper introduces a systematic simulation approach to extend MTC for dark soliton generation and explores its role in managing soliton interactions in complex waveguide systems.

Findings

MTC can generate dark solitons through controlled bright soliton interactions.

Cascaded MTC processes increase the number of generated solitons.

Dark solitons can govern bright soliton dynamics in waveguides.

Abstract

Recently published works have shown that the Multiple Temporal Compression (MTC) method is a more efficient approach for generation of multiple bright solitons in stacked waveguides, in comparison to the traditional soliton-fission technique. In the present paper, we performed systematic computer simulations of the appropriate generalized nonlinear Schr\"odinger equation to extend the MTC method for generation of dark solitons through controlled interactions of bright solitons in waveguiding systems with the normal group-velocity dispersion. Further, the generated dark solitons are demonstrated to be useful for accurately governing the dynamics of bright solitons generation in complex systems based on stacked waveguides. Therefore, we report scenarios that provide mitigation or switching of the energy transfer during bright-soliton collisions, along with the ability of the cascaded MTC processes to increase the number of the generated solitons. These results underscore the potential of the MTC as a versatile method for managing the propagation dynamics of multiple temporal bright and dark solitons produced by a single input pulse, with possible applications for the design of optical devices.