CUED Publications database

Soliton Mode-Locked Large-Mode-Area Tm-Doped Fiber Oscillator

Zhu, Z and Sun, Z and Zhang, H and Wang, M and Wei, R and Zheng, Z and Yan, P and Ruan, S and Wang, J and Hasan, T (2020) Soliton Mode-Locked Large-Mode-Area Tm-Doped Fiber Oscillator. IEEE Photonics Technology Letters, 32. pp. 117-120. ISSN 1041-1135

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© 1989-2012 IEEE. 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.

Item Type: Article
Depositing User: Cron Job
Date Deposited: 31 Jan 2020 20:34
Last Modified: 02 Mar 2021 06:26
DOI: 10.1109/LPT.2019.2959793