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Soliton Mode-Locked Large-Mode-Area Tm-Doped Fiber Oscillator
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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en
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4
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IEEE Photonics Technology Letters, Volume 32, issue 2, pp. 117-120
Abstract
We report a passively mode-locked fiber oscillator based on thulium-doped large-mode-area (LMA) fiber. Reliably mode-locking soliton operation can be readily achieved after the suppression of the higher-order modes by using mode field adapters in combination with coiling fiber method. The laser delivers 600-fs level pulses at ~\mu \text{m}$ with an average power of up to 243 mW and a repetition rate of 53.7 MHz. The output corresponds to a maximum pulse energy of 4.5 nJ, >5 times larger than that of a similar homemade mode-locked Tm laser with the LMA fibers replaced by single mode fibers, coinciding with theoretical prediction. The successful demonstration of our soliton mode-locked LMA fiber laser at ~\mu \text{m}$ offers another strategy for high performance ultrafast fiber sources at mid-infrared region.
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| openaire: EC/H2020/820423/EU//S2QUIP
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Zhu, Z, Sun, Z, Zhang, H, Wang, M, Wei, R, Zheng, Z, Yan, P, Ruan, S, Wang, J & Hasan, T 2020, 'Soliton Mode-Locked Large-Mode-Area Tm-Doped Fiber Oscillator', IEEE Photonics Technology Letters, vol. 32, no. 2, 8933024, pp. 117-120. https://doi.org/10.1109/LPT.2019.2959793