'A'
Title: Erbium : Ytterbium codoped large-core fiber laser with 297-W continuous-wave output power
Author(s): Jeong Y (Jeong, Yoonchan), Yoo S (Yoo, Seongwoo), Codemard CA (Codemard, Christophe A.), Nilsson J (Nilsson, Johan), Sahu JK (Sahu, Jayanta K.), Payne DN (Payne, David N.), Horley R (Horley, R.), Turner PW (Turner, P. W.), Hickey L (Hickey, Louise), Harker A (Harker, Andrew), Lovelady M (Lovelady, Mike), Piper A (Piper, Andy)
Source: IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS 13 (3): 573-579 MAY-JUN 2007
Authors' addresses:
Univ Southampton, Optoelect Res Ctr, Southampton SO17 1BJ, Hants England
SPI Lasers, Southampton SO30 2QU, Hants England

'B'
Title: Temperature-dependent fluorescence characteristics of an ytterbium-sensitized erbium-doped silica fiber for sensor applications
Author(s): Baek S, Jeong Y, Nilsson J, Sahu JK, Lee B
Source: OPTICAL FIBER TECHNOLOGY 12 (1): 10-19 JAN 2006