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题名Hilbert superposition and modified signal-tosignal beating interference cancellation for single side-band optical NPAM-4 directdetection system
作者
发表日期2017
发表期刊Optics Express
ISSN/eISSN1094-4087
卷号25期号:11页码:12622 - 12631
摘要

We propose a Hilbert superposition and modified signal-to-signal beating interference (SSBI) cancellation scheme in an optical single side-band (SSB) modulation and direct-detection system. The optical SSB signal is generated by a relatively low-cost dualdrive Mach-Zehnder modulator (DDMZM). The two driving signals are a pair of Hilbert signals with Nyquist pulse-shaped four-level pulse amplitude modulation (NPAM-4). In addition to the transmitted baseband signal, both its Hilbert transform and the SSBI can also be detected by direct-detection, which introduce the interference to the transmitted signal. We use the first-stage Hilbert superposition cancellation (HSC) to cancel the unwanted Hilbert transform signal and a modified single-stage linearization filter which contains the secondstage HSC to deduct the SSBI in the receiver. We experimentally demonstrate that 40 Gb/s optical SSB NPAM-4 signal transmission over 80 km standard single mode fiber (SSMF). © 2017 Optical Society of America.

DOI10.1364/OE.25.012622
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语种英语English
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被引频次:40[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://repository.uic.edu.cn/handle/39GCC9TT/4777
专题个人在本单位外知识产出
作者单位
1.Key Laboratory of Optical Fiber Sensing and Communications (Education Ministry of China), School of Communication and Information Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, 611731, China
2.State Key Laboratory of Optical Communication Technologies and Networks, Wuhan Research Institute of Posts and Telecommunications, Wuhan, 430074, China
3.Department of Electrical and Computer Engineering, National University of Singapore117583, Singapore
推荐引用方式
GB/T 7714
Zhu, Mingyue,Zhang, Jing,Yi, Xingwenet al. Hilbert superposition and modified signal-tosignal beating interference cancellation for single side-band optical NPAM-4 directdetection system[J]. Optics Express, 2017, 25(11): 12622 - 12631.
APA Zhu, Mingyue., Zhang, Jing., Yi, Xingwen., Song, Yang., Xu, Bo., .. & Qiu, Kun. (2017). Hilbert superposition and modified signal-tosignal beating interference cancellation for single side-band optical NPAM-4 directdetection system. Optics Express, 25(11), 12622 - 12631.
MLA Zhu, Mingyue,et al."Hilbert superposition and modified signal-tosignal beating interference cancellation for single side-band optical NPAM-4 directdetection system". Optics Express 25.11(2017): 12622 - 12631.
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