Dual-wavelength mode-locked erbium-doped fiber laser based on tin disulfide thin film as saturable absorber

Shi Li, Yu Yin, Guicang Ran, Qiuyun Ouyang, Yujin Chen, Masaki Tokurakawa, Elfed Lewis, Sulaiman Wadi Harun, Pengfei Wang

Research output: Contribution to journalArticlepeer-review

Abstract

The use of tin disulfide (SnS 2) as a candidate material for saturable absorption in nonlinear optical devices is investigated in this article. A dual-wavelength soliton mode-locked fiber laser is demonstrated using a fabricated SnS 2 thin film as a saturable absorber within an erbium-doped fiber laser cavity. The laser generates two peaks centered at 1536.7 and 1562.6 nm, with a pulse width of 5.3 ps. The experimental results indicate that the SnS 2 thin film has the required absorption characteristics to realize good mode-locked operation. Thus, we confirm that SnS 2 has great potential to be used in multiwavelength ultrafast fiber laser applications.

Original languageEnglish
Article number243104
JournalJournal of Applied Physics
Volume125
Issue number24
DOIs
Publication statusPublished - 28 Jun 2019

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