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Optical Engineering

40 Gb/s on-off keying downstream and 10 Gb/s on-off keying remodulated upstream signals in long-reach access network with multivideo services
Author(s): Chien Hung Yeh; Yen-Liang Liu; Chi-Wai Chow; Ci-Ling Pan
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Paper Abstract

In this demonstration, we propose and investigate a long reach passive optical network (PON) using four wavelength-multiplexed signals with both on-off keying modulations for 40 Gb/s downlink traffic in 100 km fiber transmission without dispersion compensation. In the exchange node, we can use four channels with video services broadcasting to each optical network unit (ONU) for the uplink signal remodulation. Hence, four wavelength-multiplexed video signals also can be used to inject into the corresponding reflective semiconductor optical amplifiers in each ONU for uplink signal remodulation to achieve a 4 × 2.5 Gb/s data rate. In addition, under the 32 split ratio PON system, the power penalties of nearly 6.7 and 1 dB could be measured at the bit error rate of 10−9 for the downlink and uplink traffic, respectively.

Paper Details

Date Published: 1 December 2011
PDF: 5 pages
Opt. Eng. 50(12) 125008 doi: 10.1117/1.3662395
Published in: Optical Engineering Volume 50, Issue 12
Show Author Affiliations
Chien Hung Yeh, Industrial Technology Research Institute (Taiwan)
Yen-Liang Liu, 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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