"Efficient formulation of Raman amplifier propagation equations with average power analysis"

Bumki Min, Won Jae Lee, Namkyoo Park, IEEE Photonics Technology Letters, Published, 12, 1486-1488

"Coupled structure for wide-band EDFA with gain and noise figure improvements from C to L-band ASE injection"

Bumki Min, Hosung Yoon, Won Jae Lee, Namkyoo Park, IEEE Photonics Technology Letters, Published, 12, 480-482