H. K. Shim, Hoon Kim, Yun C. Chung. 20-Gb/s operation of RSOA using polar return-to-zero 4-PAM modulation format and direct detection. In Optical Fiber Communications Conference and Exhibition, OFC 2015, Los Angeles, CA, USA, March 22-26, 2015. pages 1-3, IEEE, 2015. [doi]
Abstract is missing.