High-speed optical FSK modulator for optical packet labeling

We described a novel optical label swapping (OLS) technique for optical packet systems using frequency-shift-keying (FSK) optical labeling. High-speed optical FSK signal can be generated by using an external FSK modulator consisting of four optical phase modulators. The FSK modulator was based on op...

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Veröffentlicht in:Journal of lightwave technology 2005-01, Vol.23 (1), p.87-94
Hauptverfasser: Kawanishi, T., Higuma, K., Fujita, T., Ichikawa, J., Sakamoto, T., Shinada, S., Izutsu, M.
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Sprache:eng
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Zusammenfassung:We described a novel optical label swapping (OLS) technique for optical packet systems using frequency-shift-keying (FSK) optical labeling. High-speed optical FSK signal can be generated by using an external FSK modulator consisting of four optical phase modulators. The FSK modulator was based on optical single-sideband (SSB) modulation technique, and comprised of traveling-wave electrodes for high-speed frequency switching. We demonstrate 10 Gbps FSK transmission, and simultaneous modulation by FSK and intensity modulation (IM). OLS using double-sideband modulation was also demonstrated, where this technique can be used for a bundled wavelength-domain-multiplexing (WDM) channels without using an array of pumping light sources.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2004.840353