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Dispersion monitoring for high-speed WDM networks via two-photon absorption in a semiconductor microcavity

Abstract : Due to the continued demand for bandwidth, network operators have to increase the data rates at which individual wavelengths operate at. As these data rates will exceed 100 Gbit/s in the next 5 – 10 years, it will be crucial to be able to monitor and compensate for the amount of chromatic dispersion encountered by individual wavelength channels. This paper will focus on the use of the novel nonlinear optical-to-electrical conversion process of Two-Photon Absorption (TPA) for dispersion monitoring. By incorporating a specially designed semiconductor microcavity, the TPA response becomes wavelength dependent, thus allowing simultaneous channel selection and monitoring without the need for external wavelength filtering.
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https://hal.archives-ouvertes.fr/hal-00487210
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M. Marciniak, P.J. Maguire, K. Bondarczuk, Liam Barry, John O'Dowd, et al.. Dispersion monitoring for high-speed WDM networks via two-photon absorption in a semiconductor microcavity. ICTON, International Conference on Transparent Optical Networks, Jun 2006, Nottingham, United Kingdom. pp.138, ⟨10.1109/ICTON.2006.248520⟩. ⟨hal-00487210⟩

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