Paper
18 February 2011 Study on the capability of four-level partial response equalization in RSOA-based WDM-PON
Qi Guo, An Vu Tran
Author Affiliations +
Proceedings Volume 7988, Optical Transmission Systems, Switching, and Subsystems VIII; 798803 (2011) https://doi.org/10.1117/12.888359
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China
Abstract
The expected development of advanced video services with HDTV quality demands the delivery of more than Gb/s link to end users across the last mile connection. Future access networks are also required to have long reach for reduction in the number of central offices (CO). Fueled by those requirements, we propose a novel equalization scheme that increases the capacity and reach of the wavelength division multiplexing passive optical network (WDM-PON) based on a low bandwidth reflective semiconductor optical amplifier (RSOA). We investigate the characteristics of 10 Gb/s upstream transmission in WDM-PON using RSOA with only 1.2 GHz electrical bandwidth and various lengths of fiber. It is proven that the proposed four-level partial response equalizer (PRE) is capable of mitigating the impact of ISI in the received signals from optical network units (ONU) located 0 km to 75 km away from the optical line terminal (OLT).
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Qi Guo and An Vu Tran "Study on the capability of four-level partial response equalization in RSOA-based WDM-PON", Proc. SPIE 7988, Optical Transmission Systems, Switching, and Subsystems VIII, 798803 (18 February 2011); https://doi.org/10.1117/12.888359
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KEYWORDS
WDM-PON

Binary data

Passive optical networks

Modulation

Signal detection

Wavelength division multiplexing

Eye

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