Chaos induced stability of topological helicity inversion in gain-assisted resonant media

Muhsin Hayat, Muhammad Asif and Farah Mohammad

Chaos, Solitons & Fractals, 2026, vol. 210, issue P1

Abstract: We theoretically show the spatial engineering exposure of photonic helicity in a coherently driven atomic medium removes, a change to stable chiral biasing to deterministic helicity inversion. We manipulate the structured control fields using structured control fields. Coupling of longitudinal and transverse spin components to sculpt complicated helicity structures. Our results show that while strong positive helicity is developed when there are near-resonance conditions. profiles of crater-like modulations, definite phase-tuning. provokes a geographical inversion. In this inversion regime, a weak positive core 0.58 (58%) parallel spin-momentum alignment) swiftly becomes a large negative shell of about −0.99, reflecting an almost ideal antiparallel spin-momentum, 99 percent. alignment. These results determine that photonic helicity may be. constructed as a topological organized observable, which gives a. precise platform to control chiral light-matter. non-standard polarization limits of interactions. The obtained result in Chiral Biosensing Diagnostics, Pharmaceutical. Enantiomer Sorting, Non-Invasive Optical Biopsy, Atomic. Magnetometry & Field Sensing, Targeted Photodynamic Therapy Field Sensing, Targeted Photodynamic Therapy.

Keywords: Photonic helicity; Helicity inversion; Phase topology; Resonant atomic media; Spin-momentum interaction (search for similar items in EconPapers)
Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:210:y:2026:i:p1:s0960077926007757

DOI: 10.1016/j.chaos.2026.118634

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