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Optical Engineering

10-Gbps optical duobinary signal generated by bandwidth-limited reflective semiconductor optical amplifier in colorless optical network units and compensated by fiber Bragg grating-based equalizer in optical line terminal
Author(s): Meixia Fu; Min Zhang; Danshi Wang; Yue Cui; Huanhuan Han
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Paper Abstract

We propose a scheme of optical duobinary-modulated upstream transmission system for reflective semiconductor optical amplifier-based colorless optical network units in 10-Gbps wavelength-division multiplexed passive optical network (WDM-PON), where a fiber Bragg grating (FBG) is adopted as an optical equalizer for better performance. The demodulation module is extremely simple, only needing a binary intensity modulation direct detection receiver. A better received sensitivity of −16.98  dBm at bit rate error (BER)=1.0×10−4 can be achieved at 120 km without FBG, and the BER at the sensitivity of −18.49  dBm can be up to 2.1×10−5 at the transmission distance of 160 km with FBG, which demonstrates the feasibility of our proposed scheme. Moreover, it could be a high cost-effectiveness scheme for WDM-PON in the future.

Paper Details

Date Published: 6 October 2016
PDF: 6 pages
Opt. Eng. 55(10) 106102 doi: 10.1117/1.OE.55.10.106102
Published in: Optical Engineering Volume 55, Issue 10
Show Author Affiliations
Meixia Fu, Beijing Univ. of Posts and Telecommunications (China)
Min Zhang, Beijing Univ. of Posts and Telecommunications (China)
Danshi Wang, Beijing Univ. of Posts and Telecommunications (China)
Yue Cui, Beijing Univ. of Posts and Telecommunications (China)
Huanhuan Han, Beijing Univ. of Posts and Telecommunications (China)

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