Linear superpositions of gap solitons in periodic Kerr media
Yuliy V. Bludov, Vladimir V. Konotop, and Mario Salerno
TL;DR
This paper demonstrates a new class of solitons in periodic Kerr media formed by superimposing different gap-solitons, enabled by periodic nonlinearity modulation to reduce interactions.
Contribution
It introduces a novel type of superimposed gap-solitons in Kerr media, utilizing periodic nonlinearity modulation to suppress cross-phase modulation effects.
Findings
Superimposed gap-solitons can propagate long distances without interaction.
Periodic modulation of nonlinearity suppresses cross-phase modulation.
New soliton configurations include bright, dark, and periodic types.
Abstract
The existence of a novel type of solitons in periodic Kerr media constructed as superposition of noninteracting gap-solitons of different kinds (bright, dark and periodic) is first demonstrated. The periodic modulation of the nonlinearity is used to suppress the cross phase modulation between components to allow the superimposed beam to propagate for long distances.
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