Light-flow control by topological solitons in frustrated cholesteric liquid crystals (Conference Presentation)

Andrew J. Hess; Guilhem Poy; Jung-Shen B. Tai; Ivan I. Smalyukh; Slobodan Zumer

doi:10.1117/12.2632187

3 October 2022 Light-flow control by topological solitons in frustrated cholesteric liquid crystals (Conference Presentation)

Andrew J. Hess, Guilhem Poy, Jung-Shen B. Tai, Ivan I. Smalyukh, Slobodan Zumer

Author Affiliations +

Proceedings Volume PC12207, Liquid Crystals XXVI; PC1220707 (2022) https://doi.org/10.1117/12.2632187
Event: SPIE Organic Photonics + Electronics, 2022, San Diego, California, United States

Abstract

Topological solitons relevant in different areas of physics are fascinating topologically protected localized perturbations of ordering fields. We combine experimental and theoretical approaches to demonstrate refraction, reflection, and lensing of weak laser beams by topological solitons appearing in frustrated cholesterics. One-dimensional twist walls and two-dimensional torons are controllably generated in thin films of unwounded cholesterics. We show how their interactions with light are well described using a generalization of Snell’s law and ray-tracing models. We conclude with the perspective that including high-intensity light (optical solitons) opens also optomechanical applications. All these findings will enhance the interest in optics and photonics of frustrated cholesterics.

Conference Presentation

Citation Download Citation

Andrew J. Hess, Guilhem Poy, Jung-Shen B. Tai, Ivan I. Smalyukh, and Slobodan Zumer "Light-flow control by topological solitons in frustrated cholesteric liquid crystals (Conference Presentation)", Proc. SPIE PC12207, Liquid Crystals XXVI, PC1220707 (3 October 2022); https://doi.org/10.1117/12.2632187

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