Dissipative soliton dynamics and switching in split ring resonator based metamaterial with multi-photon absorption and diffusion

• Published in: Physics letters. A Vol. 398; p. 127261
• Main Authors: Sharma, Neeraj, Jana, Soumendu
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 17-05-2021
• Subjects: Cubic-quintic nonlinearity; Diffusion; Metamaterial; Soliton; Split ring resonator; Two photon absorption; Split ring resonator; Soliton; Two photon absorption; Diffusion; Metamaterial; Cubic-quintic nonlinearity
• ISSN: 0375-9601; 1873-2429
• DOI: 10.1016/j.physleta.2021.127261

•DS in SRR based metamaterials secured under higher order nonlinearity and randomness.•Model mimics experimental situation, hence can reduce gap of theory and experiment.•Influence of TPA on DS may lead to design metamaterial based imaging devices.•DS found in presence of diffusion, sensing devices can be made using this property.
Compound dissipative soliton (DS) is obtained theoretically in Split Ring Resonator based metamaterial having higher order nonlinearities, multi-photon absorption and diffusion. Effects of both the multi-photon absorption and diffusion on the DS are found to be detrimental however can be compensated by a suitable external gain to stabilize the DS. The interaction dynamics of two DSs is studied for different phase difference and initial separation. The phase controlled soliton switching is demonstrated. Notably, a weak solitonic beam is demonstrated to control a strong one. The DSs are robust against the randomness of the metamaterial. The outcome of this investigation may be useful to design experiments that employ DS in higher order nonlinear metamaterials.