Design of ultrahigh-quality-factor photonic crystal nanocylinder cavitiesChao-Sheng Deng, Zhuan Wang, Tao Ouyang, Wen-Liang Liu, Jie Peng and Jian-Xin ZhongEPL, 115 2 (2016) 24001DOI: https://doi.org/10.1209/0295-5075/115/24001