15 October 2012 Ultra-torsion sensitivity in Yb-doped fiber lasers with high birefringent photonic crystal fibers
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Abstract
We present an experimental characterization of a fiber laser composed by an Yb-doped fiber spliced with a birrefringent photonic crystal fiber and a mechanically-induced long-period grating (LPG) into the laser cavity. According to the torsion properties of the LPG induced in the photonic crystal fiber, the Yb-doped fiber laser can be highly sensitive to twist and it can shown novel properties in its laser emission. Also, we show the splitting of attenuation bands of a longperiod fiber grating induced mechanically in different twisted photonic crystal fibers with high birefringence and their applications on the performance of tunable and switchable multiwavelength double-clad Ytterbium-doped fiber lasers.
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G. Sánchez-Guerrero, D. Toral, A. Castillo-Guzmán, V. Guzmán-Ramos, D. E. Ceballos-Herrera, R. Selvas-Aguilar, "Ultra-torsion sensitivity in Yb-doped fiber lasers with high birefringent photonic crystal fibers", Proc. SPIE 8497, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VI, 849704 (15 October 2012); doi: 10.1117/12.929883; https://doi.org/10.1117/12.929883
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KEYWORDS
Fiber lasers

Photonic crystal fibers

Structured optical fibers

Signal attenuation

Cladding

Birefringence

Laser resonators

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