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Optical Engineering

Compensation of power drops in reflective semiconductor optical amplifier-based passive optical network with upstream data rate adjustment
Author(s): Chien-Hung Yeh; Ming-Feng Chiang; Fu-Yuan Shih; Chi-Wai Chow; Ci-Ling Pan
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Paper Abstract

In a wavelength division multiplexed-passive optical network (WDM-PON), different fiber lengths and optical components would introduce different power budgets to different optical networking units (ONUs). Besides, the power decay of the distributed optical carrier from the optical line terminal owing to aging of the optical transmitter could also reduce the injected power into the ONU. In this work, we propose and demonstrate a carrier distributed WDM-PON using a reflective semiconductor optical amplifier-based ONU that can adjust its upstream data rate to accommodate different injected optical powers. The WDM-PON is evaluated at standard-reach (25 km) and long-reach (100 km). Bit-error rate measurements at different injected optical powers and transmission lengths show that by adjusting the upstream data rate of the system (622 Mb/s, 1.25 and 2.5 Gb/s), error-free (<10−9) operation can still be achieved when the power budget drops.

Paper Details

Date Published: 1 September 2011
PDF: 5 pages
Opt. Eng. 50(9) 095004 doi: 10.1117/1.3625425
Published in: Optical Engineering Volume 50, Issue 9
Show Author Affiliations
Chien-Hung Yeh, Industrial Technology Research Institute (Taiwan)
Ming-Feng Chiang, Industrial Technology Research Institute (Taiwan)
Fu-Yuan Shih, Industrial Technology Research Institute (Taiwan)
Chi-Wai Chow, National Chiao Tung Univ. (Taiwan)
Ci-Ling Pan, National Tsing Hua Univ. (Taiwan)

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