Dispersion monitoring for high-speed WDM networks via two-photon absorption in a semiconductor microcavityReport as inadecuate




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1 RINCE - Research Institute for Networks and Communications Engineering 2 SEMICOND. PHOTONICS GROUP, TRINITY COLL., DUBLIN, IRELAND - Semiconductor Photonics Group, Trinity College Dublin, Ireland 3 Semiconductor Photonics Research Group 4 FOTON - Fonctions Optiques pour les Technologies de l-informatiON

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.

Keywords : dispersion monitoring wavelength division multiplexing two-photon absorption microcavity





Author: M. Marciniak - P.J. Maguire - K. Bondarczuk - Liam Barry - John O-Dowd - W.H. Guo - M. Lynch - L. Bradley - J.F. Donegan - Hervé

Source: https://hal.archives-ouvertes.fr/



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