A simple carrier-phase estimation technique for high-speed RSOA-based coherent WDM PON. - U. H. Hong; K. Y. Cho; H. G. Choi; Yun Chur Chung (OFC/NFOEC, 2013)

Demonstration of 40-Gb/s QPSK upstream transmission in long-reach RSOA-based coherent WDM PON using offset PDM technique. - H. K. Shim; K. Y. Cho; U. H. Hong; Yun Chur Chung (OFC/NFOEC, 2013)