Mapping sub-wavelength service with heterogenous security demand over physical-layer secured optical transport networks. - Tianhe Liu; Wei Wang 116; Xiangkun Man; Huifang Xiong; Yongli Zhao; Guangquan Wang; Yajie Li 001; Yanxia Tan; Shan Dong; Jie Zhang 006 (J. Opt. Commun. Netw., 2023)