"Study on the Pumping Wavelength Dependency of S+ band Fluoride based Thulium Doped Fiber Amplifiers"

Won Jae Lee, Bumki Min, Jaehyoung Park, and Namkyoo Park, paper TuQ5, OFC, Anaheim, March 2001,

"Efficiency improved Modeling of Raman Fiber Amplifiers Based on Average Power Analysis"

Bumki Min, Won Jae Lee, Sungho Bae and Namkyoo Park, paper 11B-1, OECC, Makuhari Messe, July 2000,

"Performance Improvement of Wideband EDFA by ASE Injection from C band to L band Amplifier"

Bumki Min, Hosung Yoon, Wonjae Lee, Jungmi Kim and Namkyoo Park, APCC/OECC, Beijing, October 1999, 1346-1347

"Simulation for the effect of cascaded gain-temperature dependence on 40 channel - 50 EDFA WDM link under temperature fluctuations"

Won Jae Lee, Bumki Min, and Namkyoo Park, paper ThH2, CLEO/PR, Seoul, September 1999,