1. Broadband fiber optic amplifiers;Kinoshita,2001
2. Saturated erbium-doped fiber amplifiers;Laming,1990
3. High power low nonlinearity erbium ytterbium co-doped fiber amplifier pumped by wavelength-multiplexed high power 1480 nm laser diodes;Tashiro,2000
4. Erbium lanthanum co-doped fiber for L-band amplifier with high efficiency, low non-linearity and low NF;Aiso,2001
5. Gain flattened Er3+-doped tellurite fibre amplifier for WDM signals in the 1581–1616 nm wavelength region