[IEEE OFC/NFOEC 2007 - 2007 Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference - Anaheim, CA, USA (2007.03.25-2007.03.29)] OFC/NFOEC 2007 - 2007 Conference on Optical Fiber Communication and the National Fiber Optic Engineers Conference - Performance comparison of directly-modulated, wavelength-locked Fabry-Pérot laser diode and EAM-modulated, spectrum-sliced ASE source for 1.25 Gb/s WDM-PON