Dissipative soliton generation in an all-normal dispersion ytterbium-doped fiber laser using few-layer molybdenum diselenide as a saturable absorber

Sathiyan Samikannu; Sivabalan Sivaraj

doi:10.1117/1.OE.55.8.081311

18 February 2016 Dissipative soliton generation in an all-normal dispersion ytterbium-doped fiber laser using few-layer molybdenum diselenide as a saturable absorber

Sathiyan Samikannu, Sivabalan Sivaraj

Author Affiliations +

Optical Engineering, Vol. 55, Issue 8, 081311 (February 2016). https://doi.org/10.1117/1.OE.55.8.081311

Abstract

We demonstrate the generation of dissipative soliton in an all-normal dispersion passively mode-locked ytterbium-doped fiber laser using few-layer molybdenum diselenide (MoSe²) as a saturable absorber. By adopting the cost-effective liquid phase exfoliation approach, few-layer MoSe² nanosheets are exfoliated and mixed with polyvinyl alcohol (PVA) to prepare a free-standing MoSe²-PVA film. The developed film is attached between two fiber ferrules to make a fiber compatible saturable absorber device. By incorporating this saturable absorber in an all-normal dispersion laser cavity, a stable dissipative soliton with a pulse width of 471 ps and 3-dB bandwidth of 4.26 nm centered at 1040 nm is generated. The fundamental repetition rate and the average power are measured as 15.44 MHz and 2 mW, respectively. To the best of our knowledge, this is the first demonstration of a dissipative soliton generation in 1 μm wavelength region using few-layer MoSe² saturable absorber. These results exhibit the significant potential of MoSe²-based saturable absorber in the near-IR region for all-fiber mode-locked lasers.

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Sathiyan Samikannu and Sivabalan Sivaraj "Dissipative soliton generation in an all-normal dispersion ytterbium-doped fiber laser using few-layer molybdenum diselenide as a saturable absorber," Optical Engineering 55(8), 081311 (18 February 2016). https://doi.org/10.1117/1.OE.55.8.081311

Published: 18 February 2016

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