Adaptive Correction of Amplitude Noise for Time-Interleaved Photonic Analog-to-digital Converter

被引：0
|
作者：
Ye, Lei [1 ]
Wu, Guiling [1 ]
Su, Feiran [1 ]
Chen, Jianping [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Elect Engn, State Key Lab Adv Opt Commun Syst & Networks, Shanghai 200240, Peoples R China
来源：
2015 OPTO-ELECTRONICS AND COMMUNICATIONS CONFERENCE (OECC) | 2015年
关键词：
Photonic Analog-to-Digital Conversion; Adaptive noise cancellation; Amplitude noise; Effective Number of Bit;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents an adaptive noise cancellation method for time-interleaved photonic analog-to-digital converters (TIPADC), where a part of the optical sampling clock signal is divided to back-end processing module to eliminate the amplitude noises in the optical sampling clock induced by laser sources and the pulse repetition rate multiplication like OTDM. The principle of the proposed method is derived theoretically. The effects of the splitting ratio of couplers in OTDM and the modulation depth on the correction efficiency of the method are analyzed by simulation. The results show that the signal-to-noise and distortion (SINAD) of system can be improved more than 30dB by using the proposed scheme.
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页数：3
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