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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 27, Iss. 11 — Jun. 1, 2009
  • pp: 1480–1488

Simple Rules for Optimizing Asymmetries in SOA-Based Mach–Zehnder Wavelength Converters

James M. Dailey and Thomas L. Koch

Journal of Lightwave Technology, Vol. 27, Issue 11, pp. 1480-1488 (2009)


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Abstract

In this paper, we present an analysis of semiconductor optical amplifier (SOA)-based differential Mach–Zehnder wavelength converters with a specific focus on optimizing performance through intentional asymmetries in optical power splitting, SOA bias, and interferometer phase bias. By introducing a simple conceptual framework for understanding the amplifier pulse dynamics, two simple yet effective design rules are derived. These design rules are validated using pseudorandom code in a comprehensive computer model, demonstrating the performance penalties that result when attempting optimization using only unequal SOA biasing or phase biasing. This work illustrates that dramatic improvements in extinction and eye margin can be achieved with optimized splitter asymmetries, and have significant implications for improved network performance and converter cascadability.

© 2009 IEEE

Citation
James M. Dailey and Thomas L. Koch, "Simple Rules for Optimizing Asymmetries in SOA-Based Mach–Zehnder Wavelength Converters," J. Lightwave Technol. 27, 1480-1488 (2009)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-27-11-1480

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