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17 February 2003 Matrix analysis for fiber lasers with hybrid birefringence resonators
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Proceedings Volume 4833, Applications of Photonic Technology 5; (2003)
Event: Applications of Photonic Technology 5, 2002, Quebec City, Canada
Although population dynamics play an important role on the characteristics of laser emission, the polarization properties of fiber lasers are established by the birefringence of the laser cavity. While the use of fibers with low birefringence (Low-Bi) will yield polarization features that can be easily altered by means of polarization controllers, fibers with high birefringence (Hi-Bi) yield more stable polarization features. Although in most cases stable oscillation frequencies from a fiber laser are desired, some applications require adjustments either on the spectral or the polarization characteristics of the laser output. This can be easily achieved by combining both Hi-Bi and Low-Bi fibers to form a hybrid birefringence resonator. In this paper we study the transmission characteristics for these fiber resonators using Jones matrix analysis. This yields information on relevant laser characteristics as a function of different parameters for the Low-Bi and Hi-Bi fibers (e.g., birefringence, length and orientation of the birefringent axes). In particular, we focus on the theoretical predictions on tunability of polarization mode beating frequencies (PMB) as a function of wavelength and effective birefringence of the laser cavity. The results are compared with experiments involving fiber polarimetric sensors, tunable optical generators of microwaves and wavelength measurement of fiber lasers through PMB frequencies.
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I. Cruz Torres and Juan Hernandez-Cordero "Matrix analysis for fiber lasers with hybrid birefringence resonators", Proc. SPIE 4833, Applications of Photonic Technology 5, (17 February 2003);

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