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physics.optics2025
Three-Dimensional Hieratical Twists in Polar Fluids: Chirality Regulation by Ultra-Low Electric Field
Hiroya Nishikawa, Dennis Kwaria, Atsuko Nihonyanagi +1
Recently discovered helical polar fluid adopts a spontaneous chiral symmetry breaking (CSB) driven by polarization escape and conformational chirality. Ferroelectric nematic and sm…
physics.optics2024
Tunable Intracavity Coherent Up-conversion with Giant Nonlinearity in a Polar Fluidic Medium
Daichi Okada, Hiroya Nishikawa, Fumito Araoka
We demonstrate a novel microcavity-based photon up-conversion using second harmonic generation (SHG) from a polar nematic fluid media doped with a laser dye. The present idea is ba…