Issue 7, 2021

Single frequency fiber laser base on MXene with kHz linewidth

Abstract

MXene, as a novel two-dimensional (2D) material saturable absorber (SA), has excellent nonlinear optical characteristics and strong photo-materials interactions. Ti2CTx (T represents O, –OH or –F) nanosheets are a novel member of the MXenes and have been widely applied in photonics. In this paper, we studied the morphologies and the nonlinear optical properties of few-layer Ti2CTx (T represent O, –OH or –F) nanosheets. Then, we demonstrated a stable single frequency fiber laser (SFFL) based on a linear cavity with a loop mirror and this material was used as a SA. The SFFL has a central wavelength of 1549.68 nm and is amplified by an erbium-doped fiber amplifier (EDFA). The linewidth of this SFFL was measured and found to be approximately 1.3 kHz, which is the narrowest obtained for a SFFL based on this structure, and the signal-to-noise ratio (SNR) was 38.29 dB. The highest output power reached 32 mW and the power fluctuation of the oscillator and amplified laser were 1.8% and 7.1%, respectively.

Graphical abstract: Single frequency fiber laser base on MXene with kHz linewidth

Article information

Article type
Paper
Submitted
07 Dec 2020
Accepted
17 Dec 2020
First published
18 Dec 2020

J. Mater. Chem. C, 2021,9, 2276-2281

Single frequency fiber laser base on MXene with kHz linewidth

Y. Gan, F. Zhu, Y. Shi and Q. Wen, J. Mater. Chem. C, 2021, 9, 2276 DOI: 10.1039/D0TC05751G

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