Title :
A colorless ONU scheme for WDM-OFDM-PON with symmetric bitrate and low-cost direct-detection receivers
Author :
Cheng Lei ; Minghua Chen ; Hongwei Chen ; Sigang Yang ; Shizhong Xie
Author_Institution :
Dept. of Electron. Eng., Tsinghua Univ., Beijing, China
Abstract :
By suppressing one of the conjugated sidebands, the phase-modulated downstream OFDM signal can be directly detected and remodulated for upstream transmission simultaneously. Thus, colorless ONU can be realized with symmetric bitrate and low-cost direct-detection receiver.
Keywords :
OFDM modulation; optical modulation; optical receivers; passive optical networks; phase modulation; wavelength division multiplexing; WDM-OFDM-PON; colorless ONU scheme; conjugated sidebands; low-cost direct-detection receiver; optical network unit; phase-modulated downstream OFDM signal; symmetric bitrate; upstream transmission; wavelength division multiplexing orthogonal frequency division multiplexing passive optical network; Amplitude modulation; OFDM; Optical fibers; Optical network units; Passive optical networks; Receivers; Wavelength division multiplexing;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
