'A'
Optimization of the two-stage single-pump erbium-doped fiber amplifier with high amplification for low frequency nanoscale pulses
Author(s): Bello-Jimeenez M (Bello-Jimenez, Miguel), Kuzin EA (Kuzin, Evgeny A.), Ibarra-Escamilla B (Ibarra-Escamilla, Baldemar), Flores-Rosas A (Flores-Rosas, Ariel)  
Source: OPTICAL ENGINEERING    Volume: 46    Issue: 12  Article Number: 125007    Published: 2007    
Authors' address:
Inst Nacl Astrofis, Opt & Electron Luis Enrique Erro 1, Puebla 72000, Mexico

'B'
Polarization-independent all-fiber multiwavelength-switchable filter based on a polarization-diversity loop configuration
Author(s): Lee YW, Han KJ, Lee B, Jung JH  
Source: OPTICS EXPRESS    Volume: 11    Issue: 25    Pages: 3359-3364    Published: 2003