'A'
An Analytical Approximated Solution for the Gain of Broadband Raman Amplifiers With Multiple Counter-Pumps
Author(s): Cani SPN (Neves Cani, Shirley Peroni)1, Calmon LD (Calmon, Luiz de Calazans)2, Pontes MJ (Pontes, Maria Jose)2, Ribeiro MRN (Nunes Ribeiro, Moises Renato)2, Segatto MEV (Vieira Segatto, Marcelo Eduardo)2, Cartaxo AVT (Cartaxo, Adolfo V. T.)3  
Source: JOURNAL OF LIGHTWAVE TECHNOLOGY    Volume: 27    Issue: 5-8    Pages: 944-951    Published: MAR-APR 2009    
Addresses:
1. Fed Inst Espirito Santo, Electrotech Dept, Vitoria, ES Brazil
2. Fed Inst Espirito Santo, Dept Elect Engn, Vitoria, ES Brazil
3. Inst Super Tecn, Opt Commun Grp, Inst Telecomunicacoes, Dept Elect & Comp Engn, P-1049001 Lisbon, Portugal

'B'
Optimal design for ultra-broad-band amplifier
Author(s): Liu XM, Lee B  
Source: JOURNAL OF LIGHTWAVE TECHNOLOGY    Volume: 21    Issue: 12    Pages: 3446-3455    Published: DEC 2003