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http://dx.doi.org/10.3807/KJOP.2003.14.5.530

A novel 10 Gbit/s all-optical NOR logic gate  

Byun, Young-Tae (Photonics Research Center, Korea Institute of Science and Technology)
Kim, Jae-Heon (Photonics Research Center, Korea Institute of Science and Technology)
Jeon, Young-Min (Photonics Research Center, Korea Institute of Science and Technology)
Lee, Seok (Photonics Research Center, Korea Institute of Science and Technology)
Woo, Duk-Ha (Photonics Research Center, Korea Institute of Science and Technology)
Kim, Sun-Ho (Photonics Research Center, Korea Institute of Science and Technology)
Publication Information
Korean Journal of Optics and Photonics / v.14, no.5, 2003 , pp. 530-534 More about this Journal
Abstract
A novel all-optical NOR gate is proposed and demonstrated for the first time by use of gain saturation in a semiconductor optical amplifier (SOA). It is operated by the nonlinearity of the SOA gain. Hence, to obtain sufficient gain saturation of the SOA, pump signals are amplified by an Er-doped fiber amplifier at the input of the SOA. The operation characteristics of the all-optical NOR gate are successfully measured at 10 Gbit/s.
Keywords
all-optical NOR logic gate; semiconductor optical amplifier; gain saturation; cross gain modulation (XGM);
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