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Abstract

We propose and experimentally demonstrate a chaotic ultra wideband (UWB) over fiber link based on optical feedback laser diode, in which UWB signals are generated and transmitted at three different bit rates of 360, 720 Mbit/s, and 1.44 Gbit/s respectively. Without utilizing any dispersion compensation module, the signal at a bit rate of 1.44 Gbit/s is detected using a digital signal processing receiver after 10 km fiber and 0.6 m wireless channel transmission. The power spectrum does not have any discrete spectral line because of the random output of the chaotic pulses, which means that the harmful effects of discrete spectral lines could be avoided with this method.

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Funds:Project supported by the National Natural Science Foundation of China (Grant Nos. 60927007, 61108027), the State Key Development Program for Basic Research of China (Grant No. 2010CB327800), and the Top Young and Middle-aged Innovative Talents Program of Institution of Higher Education of Shanxi Province, China.

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Vol. 61, Issue 8 - 2012-04-20

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