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Extinction-ratio-independent method for chirp measurements of Mach-Zehnder modulators

The authors describe a general method to extract the frequency chirping of Mach-Zehnder modulators based on direct measurements of the output spectrum. This method is independent of the modulator extinction ratio and allows measurement of the intrinsic chirp parameter to an accuracy of 5%.

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Bibliographic Details
Published in:Optics express 2004-02, Vol.12 (3), p.442-448
Main Authors: Courjal, N, Dudley, J, Porte, H
Format: Article
Language:English
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Description
Summary:The authors describe a general method to extract the frequency chirping of Mach-Zehnder modulators based on direct measurements of the output spectrum. This method is independent of the modulator extinction ratio and allows measurement of the intrinsic chirp parameter to an accuracy of 5%.
ISSN:1094-4087
1094-4087
DOI:10.1364/opex.12.000442