Microsecond Optical Frequency Tuning of DFB Laser Diodes for Coherent Optical Frequency Domain Reflectometry

  • Optical frequency tuning ranges up to 600 GHz or 4.8 nm have been achieved within microseconds and a standard telecom DFB laser diode operating at 1550 nm. The dynamic optical frequency tuning is induced by electrical current pulse injection and measured using an interferometric setup. Potentially, low-cost sensor systems based on optical coherence tomography (OCT) or coherent optical frequency domain reflectometry (c-OFDR) could be realized, achieving sub-mm two-point range resolution or even better single-point range precision within a few microseconds for a single measurement.

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Metadaten
Author:Gregor Saur, Roman KruglovORCiD, Rainer EngelbrechtORCiD
DOI:https://doi.org/10.5162/SMSI2020/C6.2
ISBN:978-3-9819376-2-6
Publisher:AMA Service GmbH
Place of publication:Wunstorf, Germany
Document Type:conference proceeding (article)
Language:English
Reviewed:Begutachtet/Reviewed
Release Date:2024/11/20
Tag:Fiber sensing; Semiconductor lasers; Tunable lasers; Wavelength shift
Volume:2020
Pagenumber:2
First Page:189
Last Page:190
Konferenzangabe:Sensor and Measurement Science International Conference 2020
institutes:Fakultät für Elektrotechnik Feinwerktechnik Informationstechnik
Polymer Optical Fiber Application Center
Research Themes:Materialien & Produktionstechnik
Licence (German):Creative Commons - CC BY - Namensnennung 4.0 International
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