تقرير
Electrically tunable spin-orbit coupled photonic lattice in a liquid crystal microcavity
| العنوان: | Electrically tunable spin-orbit coupled photonic lattice in a liquid crystal microcavity |
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| المؤلفون: | Muszyński, Marcin, Oliwa, Przemysław, Kokhanchik, Pavel, Kapuściński, Piotr, Oton, Eva, Mazur, Rafał, Morawiak, Przemysław, Piecek, Wiktor, Kula, Przemysław, Bardyszewski, Witold, Piętka, Barbara, Bobylev, Daniil, Solnyshkov, Dmitry, Malpuech, Guillaume, Szczytko, Jacek |
| سنة النشر: | 2024 |
| المجموعة: | Condensed Matter Physics (Other) |
| مصطلحات موضوعية: | Physics - Optics, Condensed Matter - Soft Condensed Matter |
| الوصف: | We create a one-dimensional photonic crystal with strong polarization dependence and tunable by an applied electric field. We accomplish this in a planar microcavity by embedding a cholesteric liquid crystal (LC), which spontaneously forms a uniform lying helix (ULH). The applied voltage controls the orientation of the LC molecules and, consequently, the strength of a polarization-dependent periodic potential. It leads to opening or closing of photonic band gaps in the dispersion of the massive photons in the microcavity. In addition, when the ULH structure possesses a molecular tilt, it induces a spin-orbit coupling between the lattice bands of different parity. This interband spin-orbit coupling (ISOC) is analogous to optical activity and can be treated as a synthetic non-Abelian gauge potential. Finally, we show that doping the LC with dyes allows us to achieve lasing that inherits all the above-mentioned tunable properties of LC microcavity, including dual and circularly-polarized lasing. |
| نوع الوثيقة: | Working Paper |
| URL الوصول: | http://arxiv.org/abs/2407.07161 |
| رقم الأكسشن: | edsarx.2407.07161 |
| قاعدة البيانات: | arXiv |
| الوصف غير متاح. |