Digital Nyquist-WDM is experimentally demonstrated using RSOA-based colorless ONUs, providing a 6-fold enhancement of transmission capacity through 25km fiber, and showing digital Nyquist-WDM as promising candidate for cost-effective flexible bandwidth allocation in PONs.
Lazaro, J.A. [et al.]. Digital Nyquist WDM for access networks using limited bandwidth reflective semiconductor optical amplifiers. A: Optical Fiber Communication Conference and Exposition and National Fiber Optic Engineers Conference. "2012 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC 2012): Los Angeles, California, USA: 4-8 March 2012". Los Angeles: Institute of Electrical and Electronics Engineers (IEEE), 2012, p. 1-3.