Adaptive QKD link establishment for single- and dual-layer LEO quantum satellite networks. - Xu Zhang; Yuan Cao; Xiangyu Chen; Bingran Geng; Zhuangzhuang Ma; Jingjing Liu; Kunpeng Zheng; Yazi Wang; Mingxuan Guo; Xiaosong Yu; Yongli Zhao 001 (J. Opt. Commun. Netw., 2026)