Multisection GaAs MMIC group delay equalizer for dispersion-compensated 8 Gbit/s heterodyne transmission

M. S. Chaudhry; John J. O'Reilly

doi:10.1117/12.161339

1 November 1993 Multisection GaAs MMIC group delay equalizer for dispersion-compensated 8 Gbit/s heterodyne transmission

M. S. Chaudhry, John J. O'Reilly

Author Affiliations +

Proceedings Volume 2024, Multigigabit Fiber Communication Systems; (1993) https://doi.org/10.1117/12.161339
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

Equalizers based upon a simple length of waveguide or microstrip have been demonstrated for this application. As the required length of the equalizer is dependent on the fiber span, then for very long transmission distances these approaches tend to become rather impractical. We have explored an alternative pseudo-lumped-element approach utilizing GaAs monolithic microwave integrated circuit (MMIC) technology, providing very compact group delay equalizers which may readily be integrated with other receiver signal processing functions. We have previously published preliminary results obtained with single network sections. These provide the requisite dispersion compensation over a restricted bandwidth. Here for the first time, we explore how multi-section GaAs MMIC group delay networks may be employed to achieve dispersion compensation over a much wider frequency range, illustrating the effectiveness of the approach with reference to an 8 Gbit/s 200 km system application.

Citation Download Citation

M. S. Chaudhry and John J. O'Reilly "Multisection GaAs MMIC group delay equalizer for dispersion-compensated 8 Gbit/s heterodyne transmission", Proc. SPIE 2024, Multigigabit Fiber Communication Systems, (1 November 1993); https://doi.org/10.1117/12.161339

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