Project supported by the National Natural Science Foundation of China(Grant Nos.61801522,61972418,and 61872390);the Natural Science Foundation of Hunan Province,China(Grant Nos.2019JJ40352 and 2017JJ3415);the Special Foundation for Distinguished Young Scientists of Changsha City,China(Grant No.kq1905058)。
Reconciliation is a necessary step in postprocessing of continuous-variable quantum key distribution(CV-QKD)system.We use globally coupled low-density parity-check(GC-LDPC)codes in reconciliation to extract a precise ...
Project supported by the National Key Basic Research Program of China(Grant No.2014CB339803);the National High Technology Research and Development Program of China(Grant No.2011AA010205);the National Natural Science Foundation of China(Grant Nos.61131006,61321492,and 61204135);the Major National Development Project of Scientific Instrument and Equipment(Grant No.2011YQ150021);the National Science and Technology Major Project(Grant No.2011ZX02707);the International Collaboration and Innovation Program on High Mobility Materials Engineering of the Chinese Academy of Sciences;the Shanghai Municipal Commission of Science and Technology(Grant No.14530711300)
Atmospheric absorption, scattering, and scintillation are the major causes to deteriorate the transmission quality of terahertz(THz) wireless communications. An error control coding scheme based on low density parit...