Title :
SNR optimization through digital frequency-domain pre-emphasis for extending transmission distances in DML-based OFDM-PON systems
Author :
Sang-Yuep Kim ; Terada, Jun ; Yoshimoto, Naoto
Author_Institution :
NTT Access Network Service Syst. Labs., NTT Corp., Yokosuka, Japan
Abstract :
By optimizing the SNR of OFDM-PON systems through frequency-domain pre-emphasis to counter the transmission distortion caused by frequency-chirped lasers, we demonstrate 20-Gb/s fixed-16QAM transmission over 40 km with a 20-dB power-budget for a 5.2-GHz signal-bandwidth.
Keywords :
OFDM modulation; chirp modulation; optimisation; passive optical networks; quadrature amplitude modulation; DML-based OFDM-PON systems; SNR optimization; bit rate 20 Gbit/s; digital frequency-domain pre-emphasis; distance 40 km; fixed-16QAM transmission; frequency 5.2 GHz; frequency-chirped lasers; passive optical networks; transmission distances; OFDM; Optical distortion; Optical fibers; Optical receivers; Passive optical networks; Signal to noise ratio;
Conference_Titel :
Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4799-0457-0
