Dual-wavelength square pulses fiber laser based on nonlinear effect

Lifang Chen; Zheng Wu; Qianchao Wu; Yu Yang; Yong Yao

doi:10.1117/12.2638365

15 November 2022 Dual-wavelength square pulses fiber laser based on nonlinear effect

Lifang Chen, Zheng Wu, Qianchao Wu, Yu Yang, Yong Yao

Proceedings Volume 12448, 5th Optics Young Scientist Summit (OYSS 2022); 1244813 (2022) https://doi.org/10.1117/12.2638365
Event: 5th Optics Young Scientist Summit (OYSS 2022), 2022, Fuzhou, China

Abstract

In this paper, a dual-wavelength square pulses fiber laser with tunable pulse width based on nonlinear polarization rotation and nonlinear effect was studied. The fiber laser containing a 1050-m highly nonlinear fiber operated at central wavelengths of 1533 nm and 1569 nm and the repetition rate was 194.7 kHz. While the polarization state of the laser was unchanged, the pump power was increased from 100 mW to 300 mW, and the pulse width was extended from 163.6 ns to 558.2 ns. In this process, the maximum energy of a single pulse was 8.57 nJ. The simple, compact square pulse dual wavelength fiber laser with tunable pulse width can meet great potential for applications.

Citation Download Citation

Lifang Chen, Zheng Wu, Qianchao Wu, Yu Yang, and Yong Yao "Dual-wavelength square pulses fiber laser based on nonlinear effect", Proc. SPIE 12448, 5th Optics Young Scientist Summit (OYSS 2022), 1244813 (15 November 2022); https://doi.org/10.1117/12.2638365

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KEYWORDS

Fiber lasers

Polarization

Pulsed laser operation

Single mode fibers

Solitons

Mode locking

Modulation

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