Ferroelectric liquid crystals: futuristic mesogens for photonic applications Swadesh Kumar Gupta, Daniel Budaszewski and Dharmendra Pratap Singh Eur. Phys. J. Spec. Top., 231 4 (2022) 673-694 Published online: 13 January 2022 DOI: 10.1140/epjs/s11734-021-00390-9