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Proceedings Paper

Experimental demonstration of data remodulation on downstream ASK-DPSK signals for upstream transmission in WDM–PONs
Author(s): Jie Liu; Biao Chen; Changjian Guo
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Paper Abstract

A novel upstream data remodulation scheme with downstream ASK-DPSK modulation format is proposed for WDMPONs in this letter. And this kind of scheme is also experimentally demonstrated on one particular wavelength channel. Both the 2.5-Gb/s downstream optical DPSK signal and the 2.5-Gb/s downstream optical ASK signal are demodulated respectively at the receiving side, while part of the downstream carrier is directly remodulated by an optical intensity modulator for upstream transmission of 2.5-Gb/s data. System performance under different amplitude ratios of downstream optical ASK signal is investigated. It is shown that effective reception and robust performance can be achieved after having been transmitted for 25-km.

Paper Details

Date Published: 11 November 2008
PDF: 8 pages
Proc. SPIE 7136, Optical Transmission, Switching, and Subsystems VI, 71361U (11 November 2008); doi: 10.1117/12.804191
Show Author Affiliations
Jie Liu, Zhejiang Univ. (China)
Biao Chen, Zhejiang Univ. (China)
Changjian Guo, Zhejiang Univ. (China)


Published in SPIE Proceedings Vol. 7136:
Optical Transmission, Switching, and Subsystems VI
Ken-ichi Kitayama; Pierpaolo C. Ghiggino; Kim Roberts; Yikai Su, Editor(s)

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