Single-frequency nanosecond fiber laser based on self-phase modulation pre-compensation

Rongtao Su; Pu Zhou; Xiaolin Wang; Hanwei Zhang; Xiaojun Xu

2013 Conference on Lasers and Electro-Optics Pacific Rim
(Optica Publishing Group, 2013),
paper MA1_4

Single-frequency nanosecond fiber laser based on self-phase modulation pre-compensation

Rongtao Su, Pu Zhou, Xiaolin Wang, Hanwei Zhang, and Xiaojun Xu

Conference on Lasers and Electro-Optics/Pacific Rim 2013

Kyoto Japan
30 June–4 July 2013
ISBN: 978-1-4673-6475-1

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Single-Frequency and Stabilized Lasers (MA1)

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R. Su, P. Zhou, X. Wang, H. Zhang, and X. Xu, "Single-frequency nanosecond fiber laser based on self-phase modulation pre-compensation," in 2013 Conference on Lasers and Electro-Optics Pacific Rim, (Optica Publishing Group, 2013), paper MA1_4.

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Abstract

We demonstrate a scheme of high-peak-power, single-frequency nanosecond fiber laser based on self-phase modulation (SPM) pre-compensation and master oscillator power amplifier (MOPA) configuration. The pulsed seed is generated by modulation a single-frequency continuous wave (CW) laser, and is then phase modulated to compensate SPM induced spectral broadening. It is testified by our experiment that high-peak-power, single-frequency pulsed fiber laser can be obtained in this way and the linewidth was reduced from 1.4 GHz to 120 MHz.

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