Ultrahigh-Q TE/TM dual-polarized photonic crystal holey fishbone-like nanobeam cavitiesChao-Sheng Deng, Ya-Song Gao, Xiao-Zan Wu, Ming-Jun Li and Jian-Xin ZhongEPL, 108 5 (2014) 54006DOI: https://doi.org/10.1209/0295-5075/108/54006