Simple rules for optimizing asymmetries in SOA-based Mach-Zehnder wavelength converters

James M. Dailey, Thomas L Koch

Research output: Contribution to journalArticle

30 Citations (Scopus)

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.

Original languageEnglish (US)
Pages (from-to)1480-1488
Number of pages9
JournalJournal of Lightwave Technology
Volume27
Issue number11
DOIs
StatePublished - Jun 1 2009
Externally publishedYes

Fingerprint

light amplifiers
converters
asymmetry
wavelengths
penalties
margins
extinction
interferometers
amplifiers
optimization
pulses

Keywords

  • Optical frequency conversion
  • Optical switches
  • Optoelectronic devices
  • Semiconductor optical amplifier (SOA)

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Simple rules for optimizing asymmetries in SOA-based Mach-Zehnder wavelength converters. / Dailey, James M.; Koch, Thomas L.

In: Journal of Lightwave Technology, Vol. 27, No. 11, 01.06.2009, p. 1480-1488.

Research output: Contribution to journalArticle

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