High-energy and efficient Raman soliton generation tunable from 1.98 to 2.29 μm in an all-silica-fiber thulium laser system

Jinzhang Wang, Shenghua Lin, Xiaoyan Liang, Mengmeng Wang, Peiguang Yan, Guohua Hu, Tom Albrow-Owen, Shuangchen Ruan*, Zhipei Sun, Tawfique Hasan

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

17 Citations (Scopus)

Abstract

We demonstrate a compact, all-fiber-integrated laser system that delivers Raman solitons with a duration of ∼100 fs and pulse energy of up to 13.3 nJ, continuously wavelength tunable from 1.98 to 2.29 μm via Raman-induced soliton self-frequency shift (SSFS) in a thulium-doped fiber amplifier. We realize a >90% efficiency of Raman conversion, the highest reported value from SSFS-based sources, to the best of our knowledge. This enables us to achieve >10 nJ soliton energy from a 2.16 to 2.29 μm range, the highest energy demonstrated above 2.22 μm from an SSFS-assisted, all-fiber tunable single-soliton-pulse source, to the best of our knowledge. Our simple and compact all-fiber tunable laser could serve as an efficient ∼2 μm femtosecond source for a wide range of mid-infrared applications.

Original languageEnglish
Pages (from-to)3518-3521
Number of pages4
JournalOptics Letters
Volume42
Issue number18
DOIs
Publication statusPublished - 15 Sep 2017
MoE publication typeA1 Journal article-refereed

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