Enhancing in -phase supermode selection for multicore fiber laser

wang chun; zhang fan; tong zhi; ning ti; jian shui

Volume 19 Issue 10

Oct. 2007

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Article Navigation > High Power Laser and Particle Beams > 2007 > 19(10): 0-

yao jianhua, miao jianmin, dai liankui, et al. Emissivity compensation for double-band pyrometry in laser manufacturing[J]. High Power Laser and Particle Beams, 2011, 23: 27-28.

Citation:

wang chun, zhang fan, tong zhi, et al. Enhancing in -phase supermode selection for multicore fiber laser[J]. High Power Laser and Particle Beams, 2007, 19.

yao jianhua, miao jianmin, dai liankui, et al. Emissivity compensation for double-band pyrometry in laser manufacturing[J]. High Power Laser and Particle Beams, 2011, 23: 27-28.

Citation:

wang chun, zhang fan, tong zhi, et al. Enhancing in -phase supermode selection for multicore fiber laser[J]. High Power Laser and Particle Beams, 2007, 19.

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Enhancing in -phase supermode selection for multicore fiber laser

wang chun^1,2,
zhang fan^1,2,
tong zhi^1,2,
ning ti^1,2,
jian shui^1,2

1.
Key Laboratory of All Optical Network and Advanced Telecommunication Network of EMC, Beijing Jiaotong University,Beijing 100044,China;
2.
Institute of Lightwave Technology,Beijing Jiaotong University,Beijing 100044,China

Publish Date: 2007-10-15

Abstract

Abstract

To improve in -phase supermode selection for 7 -core fiber laser, a novel cascade system, which consists of a multicore fiber laser as the seeding signal source and a multicore fiber amplifier, was proposed. The transverse supermode competition was analyzed based on a set of rate equations. The ratio of the power of the lower -order modes to the total output power can be reduced to less than 1%, with the optimum distance between the output end of the fiber laser and the input end of fiber amplifier. The results show that the cascade system can improve in -phase supermode selection effectively, which ensures much better beam quality, compared to the multicore fiber lasers with single Talbot cavity.
- phase -locked,
- fiber laser,
- ytterbium -doped fiber,
- talbot cavity

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