Engineering Tunable Synthetic Su-Schrieffer-Heeger Chains in Liquid Crystal Microcavities
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arXiv
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| Format: | Preprint |
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2026
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| author | Mędrzycka, Joanna Ricco, Luciano S. Kapuściński, Piotr Muszyński, Marcin Morawiak, Przemysław Mazur, Rafał Węgłowski, Rafał Oton, Eva Kula, Przemysław Piecek, Wiktor Szczytko, Jacek |
| author_facet | Mędrzycka, Joanna Ricco, Luciano S. Kapuściński, Piotr Muszyński, Marcin Morawiak, Przemysław Mazur, Rafał Węgłowski, Rafał Oton, Eva Kula, Przemysław Piecek, Wiktor Szczytko, Jacek |
| contents | Optical microcavities have emerged as a powerful platform for emulating topological phases challenging to realize in conventional materials, offering precise control over dispersion, light confinement, and interactions. Among them, liquid crystal microcavities (LCMCs) offer exceptional tunability at room temperature, enabling voltage-controlled polarisation splitting, photonic spin-orbit coupling, and photonic potentials generated by self-assembled textures, such as cholesteric torons and uniform lying helix (ULH). Here, we design a LCMC hosting a dimerized ULH texture and show that the corresponding photonic potential describes two coupled Su-Schrieffer-Heeger chains with orthogonal linear polarisations, acting as an effective pseudospin degree of freedom. The applied voltage tunes the interchain coupling, enabling polarisation-dependent interactions. These results establish LCMCs as a versatile platform for tunable synthetic topological Hamiltonians. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2605_19664 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Engineering Tunable Synthetic Su-Schrieffer-Heeger Chains in Liquid Crystal Microcavities Mędrzycka, Joanna Ricco, Luciano S. Kapuściński, Piotr Muszyński, Marcin Morawiak, Przemysław Mazur, Rafał Węgłowski, Rafał Oton, Eva Kula, Przemysław Piecek, Wiktor Szczytko, Jacek Optics Soft Condensed Matter Optical microcavities have emerged as a powerful platform for emulating topological phases challenging to realize in conventional materials, offering precise control over dispersion, light confinement, and interactions. Among them, liquid crystal microcavities (LCMCs) offer exceptional tunability at room temperature, enabling voltage-controlled polarisation splitting, photonic spin-orbit coupling, and photonic potentials generated by self-assembled textures, such as cholesteric torons and uniform lying helix (ULH). Here, we design a LCMC hosting a dimerized ULH texture and show that the corresponding photonic potential describes two coupled Su-Schrieffer-Heeger chains with orthogonal linear polarisations, acting as an effective pseudospin degree of freedom. The applied voltage tunes the interchain coupling, enabling polarisation-dependent interactions. These results establish LCMCs as a versatile platform for tunable synthetic topological Hamiltonians. |
| title | Engineering Tunable Synthetic Su-Schrieffer-Heeger Chains in Liquid Crystal Microcavities |
| topic | Optics Soft Condensed Matter |
| url | https://arxiv.org/abs/2605.19664 |