Tunable Three-Wavelength Fiber Laser and Transient Switching between Three-Wavelength Soliton and Q-Switched Mode-Locked States
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Abstract
We report a passive mode-locked fiber laser that can realize single-wavelength tuning and multi-wavelength spacing tuning simultaneously. The tuning range is from 1528 nm–1560 nm, and up to three bands of soliton states can be output at the same time. These results are confirmed by a nonlinear Schrödinger equation model based on the split-step Fourier method. In addition, we reveal a way to transform the multi-wavelength soliton state into the Q-switched mode-locked state, which is period doubling. These results will promote the development of optical communication, optical sensing and multi-signal pulse emission.
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Zhi-Zeng Si, Chao-Qing Dai, Wei Liu. Tunable Three-Wavelength Fiber Laser and Transient Switching between Three-Wavelength Soliton and Q-Switched Mode-Locked States[J]. Chin. Phys. Lett., 2024, 41(2): 020502. DOI: 10.1088/0256-307X/41/2/020502
Zhi-Zeng Si, Chao-Qing Dai, Wei Liu. Tunable Three-Wavelength Fiber Laser and Transient Switching between Three-Wavelength Soliton and Q-Switched Mode-Locked States[J]. Chin. Phys. Lett., 2024, 41(2): 020502. DOI: 10.1088/0256-307X/41/2/020502
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Zhi-Zeng Si, Chao-Qing Dai, Wei Liu. Tunable Three-Wavelength Fiber Laser and Transient Switching between Three-Wavelength Soliton and Q-Switched Mode-Locked States[J]. Chin. Phys. Lett., 2024, 41(2): 020502. DOI: 10.1088/0256-307X/41/2/020502
Zhi-Zeng Si, Chao-Qing Dai, Wei Liu. Tunable Three-Wavelength Fiber Laser and Transient Switching between Three-Wavelength Soliton and Q-Switched Mode-Locked States[J]. Chin. Phys. Lett., 2024, 41(2): 020502. DOI: 10.1088/0256-307X/41/2/020502
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