Bidirectional single-mode Er-doped fiber ring laser

Jing-ren Qian, Jue Su, Xu-xu Wang, Bing Zhu

Optoelectronics Letters ›› 2007, Vol. 3 ›› Issue (1) : 34-36.

Optoelectronics Letters ›› 2007, Vol. 3 ›› Issue (1) : 34-36. DOI: 10.1007/s11801-007-6138-8
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Bidirectional single-mode Er-doped fiber ring laser

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Abstract

A direction related polarizer (DRP) was used in a laser cavity to eliminate spatial hole burning of gain medium in a bidirectional Er-doped fiber ring laser. A stable operation of single longitudinal mode was achieved with comparable intensities for both clockwise and counterclockwise direction. A beat signal of 30 dB over noise was observed. This laser used as a gyroscope was demonstrated and a good linear relation between the beat frequency shift and the cavity rotation rate was acquired.

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Jing-ren Qian, Jue Su, Xu-xu Wang, Bing Zhu. Bidirectional single-mode Er-doped fiber ring laser. Optoelectronics Letters, 2007, 3(1): 34‒36 https://doi.org/10.1007/s11801-007-6138-8

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