The Journal of China Universities of Posts and Telecommunications
Centralized light-wave WDM-PON employing DQPSK downstream and OOK remodulated upstream signals
ZHANG Wei-feng, XIN Xiang-jun, ZHANG Qi, ZHANG Zi-xing, NAI Wei, SHI Yan
Acta Metallurgica Sinica(English letters) . 2010, (4): 125 -128 .  DOI: 10.1016/S1005-8885(09)60498-2

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