Journal
OPTICS EXPRESS
Volume 17, Issue 7, Pages 5845-5851Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.17.005845
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Funding
- Fonds de la Recherche Scientifique-Credit aux Chercheurs (FNRS)
- Belgian Science Policy
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A new method for monitoring the nonlinearities perturbing the optical frequency sweep in high speed tunable laser sources is presented. The swept-frequency monitoring system comprises a Mach-Zehnder interferometer and simple signal processing steps. It has been implemented in a coherent optical frequency domain reflectometer which allowed to drastically reduce the effects of nonlinear sweep, resulting to a spatial resolution enhancement of 30 times. (C) 2009 Optical Society of America
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