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Modeling Chirp and Phase Inversion in Wavelength Converters based on Symmetrical MZI-SOAs for use in All-Optical Networks

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Abstract

All-optical wavelength conversion based on multi-section semiconductor optical amplifiers (SOAs) in a symmetrical Mach-Zehnder interferometer (SMZI) is modeled for use in optical networks. It incorporates an enhanced SOA model that is implemented using the time domain transfer matrix approach and hence the overall numerical model determines simultaneously the wavelength and gain parameters for the wavelength converter. The overall model accurately predicts the optimal conditions for the SMZI arrangement in order to achieve the best results for the chirp, the phase inversion and the converted probe signal power. It is also demonstrated that large chirp and mismatch of the phase inversion reduces the eye opening ratio (EOR) which can seriously affect the performance of the wavelength converter to be used as a sub-system component in all-optical networks.

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Authors and Affiliations

  1. Faculty of Engineering and Information Sciences, University of Hertfordshire, College Lane, Hatfield, Hertfordshire, AL10 9AB, UK

    M. Y. Jamro & J. M. Senior

  2. Electrical & Electronic Engineering Division, School of Engineering, University of Warwick, Coventry, CV4 7AL, UK

    M. S. Leeson

  3. Industrial Engineering Division, Alcatel Submarine Networks Ltd, Christchurch Way, Greenwich, London, SE10 0AG, UK

    G. Murtaza

Authors
  1. M. Y. Jamro
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  2. J. M. Senior
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  3. M. S. Leeson
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  4. G. Murtaza
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Jamro, M.Y., Senior, J.M., Leeson, M.S. et al. Modeling Chirp and Phase Inversion in Wavelength Converters based on Symmetrical MZI-SOAs for use in All-Optical Networks. Photonic Network Communications 5, 289–300 (2003). https://doi.org/10.1023/A:1023096304572

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