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Proceedings Paper

A novel WDM-PON architecture enabling multicasting with color-free ONUs based on WSS and Interleaver
Author(s): Yi Xiang; Shilin Xiao; Zhixin Liu; Min Zhu; Daozi Ding; Yang Cheng; Jianwen Wei
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Paper Abstract

We propose a novel multicast-enable wavelength-division-multiplexed (WDM) passive-optical-network (PON) architecture that uses two sidebands of Optical Carrier Suppressed (OCS)-DPSK signal to carry the unicast and multicast data. The multicast wavelength control is realized through a Wavelength Selective Switch (WSS). At the optical line terminal (OLT), for each WDM channel, a single drive Mach-Zehnder modulator (MZM) is used to generate a subcarrier double-sideband (DSB) DPSK signal. Then, the lower-sideband signals are separated by an interleaver and subsequently modulated to deliver the multicast data, while the remaining upper-sideband DPSK signals carry the downstream unicast data. In the optical network units (ONUs), part of the downstream unicast signal power is re-modulated for upstream transmission, which enables color-free ONUs. This proposed scheme is experimentally demonstrated with a 1.25Gb/s downstream unicast and multicast data.

Paper Details

Date Published: 19 November 2009
PDF: 6 pages
Proc. SPIE 7633, Network Architectures, Management, and Applications VII, 76330F (19 November 2009); doi: 10.1117/12.851337
Show Author Affiliations
Yi Xiang, Shanghai Jiao Tong Univ. (China)
Shilin Xiao, Shanghai Jiao Tong Univ. (China)
Zhixin Liu, The Chinese Univ. of Hong Kong (Hong Kong, China)
Min Zhu, Shanghai Jiao Tong Univ. (China)
Daozi Ding, Shanghai Jiao Tong Univ. (China)
Yang Cheng, Shanghai Jiao Tong Univ. (China)
Jianwen Wei, Shanghai Jiao Tong Univ. (China)


Published in SPIE Proceedings Vol. 7633:
Network Architectures, Management, and Applications VII
Ken-ichi Sato; Lena Wosinska; Jing Wu; Yuefeng Ji, Editor(s)

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