Polarization characteristics of fiber DFB lasers related to sensing applications

An experimental and theoretical investigation of how the polarization mode competition and beat frequency of Er-doped fiber distributed-feedback lasers depend on perturbations such as localized transverse forces, back reflections, or changes in pump polarization is reported. Good agreement between t...

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Veröffentlicht in:	IEEE journal of quantum electronics 2000-06, Vol.36 (6), p.656-664
Hauptverfasser:	Ronnekleiv, E., Ibsen, M., Cowle, G.J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Biological and medical applications Circuit properties Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Fiber lasers Fibers Frequency Fundamental areas of phenomenology (including applications) Integrated optics. Optical fibers and wave guides Laser excitation Laser modes Laser theory Laser transitions Lasers Metrological applications Optical and optoelectronic circuits Optical fiber polarization Optical fiber sensors Optical reflection Optics Perturbation methods Physics Polarization Polarization characteristics Pump lasers Pumps Quantum electronics Reflection Sensors, gyros
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Beschreibung
Zusammenfassung:	An experimental and theoretical investigation of how the polarization mode competition and beat frequency of Er-doped fiber distributed-feedback lasers depend on perturbations such as localized transverse forces, back reflections, or changes in pump polarization is reported. Good agreement between the experiments and a comprehensive theoretical model is obtained. Use of a dual-polarization laser as a transverse force sensor with a resolution on the order of 1-100 nN//spl radic/Hz above 20 Hz is also discussed.
ISSN:	0018-9197 1558-1713
DOI:	10.1109/3.845719