Dynamic photothermal resonance push-pull in a fiber Bragg grating Fabry-Perot

The dynamic photothermal behavior of a passive fiber Bragg grating Fabry-Perot (FFP) is investigated, when it is interrogated with a tunable laser. This photothermal effect needs to be taken into account when an FFP is used as a wavelength demultiplexer, as it can be a source of filter instability;...

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Bibliographic Details
Main Authors: Chow, J.H., McKenzie, K., Littler, I.C.M., McClelland, D.E., Gray, M.B.
Format: Conference Proceeding
Language:English
Subjects:
Fabry-Perot
Fiber lasers
Laser noise
Optical fiber sensors
Phase noise
Photothermal effects
Resonance
Resonator filters
Sensor phenomena and characterization
Tunable circuits and devices
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Description
Summary:The dynamic photothermal behavior of a passive fiber Bragg grating Fabry-Perot (FFP) is investigated, when it is interrogated with a tunable laser. This photothermal effect needs to be taken into account when an FFP is used as a wavelength demultiplexer, as it can be a source of filter instability; while as a sensor, this effect can also translate into phase noise. Finally, the photothermal push-pull should be considered in the characterization of passive fiber resonators, as it can distort the reflectivity and transmissivity scans of the FFP.
ISSN:1092-8081
2766-1733
DOI:10.1109/LEOS.2005.1548280