ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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A cost-effective structure of a centralized-light-source WDM-PON utilizing inverse-duobinary-RZ downstream and DPSK upstream |
Chen Long-Quan (陈龙泉), Qiao Yao-Jun (乔耀军), Ji Yue-Feng (纪越峰) |
State Key Laboratory of Information Photonics and Optical Communications,Beijing University of Posts and Telecommunications, Beijing 100876, China |
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Abstract In this paper, we propose a new structure of centralized-light-source wavelength division multiplexed passive optical network (WDM-PON) utilizing inverse-duobinary-return-to-zero (inverse-duobinary-RZ) downstream and DPSK upstream. It reuses downstream light for the upstream modulation, which retrenches lasers assembled at each optical network unit (ONU), and ultimately largely cuts down the cost of ONUs. Meanwhile, a 50-km-reach WDM-PON experiment with 10-Gb/s inverse-duobinary-RZ downstream and 6-Gb/s DPSK upstream is demonstrated here. It is revealed to be a novel cost-effective alternative for the next generation access network.
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Received: 23 July 2012
Revised: 16 November 2012
Accepted manuscript online:
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PACS:
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42.15.Eq
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(Optical system design)
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42.30.Lr
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(Modulation and optical transfer functions)
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42.79.Sz
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(Optical communication systems, multiplexers, and demultiplexers?)
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42.81.Uv
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(Fiber networks)
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Fund: Project supported by the National Natural Science Foundation of China (Grant No. 60932004), the National High Technology Research and Development Program of China (Grant Nos. 2009AA01Z256 and 2009AA01A345), and the National Basic Research Program of China (Grant No. 2007CB310705). |
Corresponding Authors:
Ji Yue-Feng
E-mail: jyf@bupt.edu.cn
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Cite this article:
Chen Long-Quan (陈龙泉), Qiao Yao-Jun (乔耀军), Ji Yue-Feng (纪越峰) A cost-effective structure of a centralized-light-source WDM-PON utilizing inverse-duobinary-RZ downstream and DPSK upstream 2013 Chin. Phys. B 22 054201
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