Vertically aligned DHFLCs (VADHFLC) https://journals.aps.org/pre/abstract/10.1103/PhysRevE.87.052502 https://www.osapublishing.org/ol/fulltext.cfm?uri=ol-39-10-2900 https://www.sciencedirect.com/science/article/pii/S0167732219315983
