Highly polarized Yb-doped fiber laser based on a polarization-maintaining fiber Sagnac loop mirror and its power amplification

L. Zhang; J. H. Wang; X. J. Gu; Y. Feng

doi:10.1117/12.904460

5 December 2011 Highly polarized Yb-doped fiber laser based on a polarization-maintaining fiber Sagnac loop mirror and its power amplification

L. Zhang, J. H. Wang, X. J. Gu, Y. Feng

Author Affiliations +

Proceedings Volume 8198, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration; 81980M (2011) https://doi.org/10.1117/12.904460
Event: International Conference on Optical Instruments and Technology (OIT2011), 2011, Beijing, Beijing, China

Abstract

A novel fiber laser configuration based on a polarization-maintaining fiber Sagnac loop mirror is proposed for generating linearly polarized light. The polarization-dependent reflectivity of the loop mirror provides the necessary polarization discrimination between the slow and fast axes. A robust linearly polarized all-fiber laser oscillator is demonstrated with a polarization extinction ratio better than 27 dB. After an integrated fiber amplifier, a 14.6 W narrow linewidth single-mode fiber laser at 1070 nm is obtained with an optical efficiency of 68% and a polarization extinction ratio of 22.4 dB.

Citation Download Citation

L. Zhang, J. H. Wang, X. J. Gu, and Y. Feng "Highly polarized Yb-doped fiber laser based on a polarization-maintaining fiber Sagnac loop mirror and its power amplification", Proc. SPIE 8198, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration, 81980M (5 December 2011); https://doi.org/10.1117/12.904460

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