27 August 2003 Measurements of impairments of WDM signals in photonic devices
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This paper investigates the effect that Four Wave Mixing (FWM) has on Frequency Shift Keyed (FSK) optical signals. The paper will show how an optical FSK modulated signal can be implemented using a widely tunable laser. These lasers will have a bigger impact in future optical transmission systems due to their agile wavelength capabilities. Then measurements of FWM in a Semiconductor Optical Amplifier (SOA) and in Zero Dispersion Shifted Fiber (DSF) will be presented. SOAs are of crucial importance in modern & future transmission systems as many operations can be implemented using their highly nonlinear properties, such as wavelength conversion, pulse reshaping & format conversion can be implemented. While Zero DSF is less popular these days, due to its nonlinearities, nevertheless the fiber still forms the core of many networks and thus its ability to handle many different WDM signals without introducing potential interference needs to be investigated.
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Sean O'Duill, Sean O'Duill, Gavin Mulvihill, Gavin Mulvihill, Yonglin Yu, Yonglin Yu, Andrea Reale, Andrea Reale, Ronan F. O'Dowd, Ronan F. O'Dowd, } "Measurements of impairments of WDM signals in photonic devices", Proc. SPIE 4876, Opto-Ireland 2002: Optics and Photonics Technologies and Applications, (27 August 2003); doi: 10.1117/12.464035; https://doi.org/10.1117/12.464035

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