Survivable Network Architectures for Wavelength-division-multiplexed Passive Optical Networks. - E. S. Son; K. H. Han; J. H. Lee; Y. C. Chung (Photonic Netw. Commun., 2006)

Design of recirculation system and re-valve for increasing the compressing efficiency. - S. Y. Lee; K. H. Han; D. Shin (URAI, 2017)