Polarization switching and optical bistability in the diode-pumped Tm,Ho:LLF laser

Zhang, X L; Zhang, S; Xie, Ziyi; Li, G X; Yu, Long; Cui, Jinhui; Zhao, Jiupeng

doi:10.1088/1612-2011/11/10/105804

Laser Phys. Lett.

2014

DOI: 10.1088/1612-2011/11/10/105804

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Polarization switching and optical bistability in the diode-pumped Tm,Ho:LLF laser

X L Zhang

S Zhang

Ziyi Xie

et al.

Abstract: We first report on the polarization switching and optical bistability in the Tm,Ho:LLF laser. In the free-running operation, the switching of the π-polarization at 2069 nm and σ-polarization at 2066 nm are experimentally observed. By adjusting the tilting angle of an intracavity etalon, the orthogonally polarized dual-wavelength single-longitudinal-mode laser is obtained at 2054 and 2066 nm, and the π-polarized and σ-polarized single wavelength single-longitudinal-mode laser is obtained at 2057 and 2063 nm, wh… Show more

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Theoretical and experimental investigation of polarization coexistence and switching in an optical bistability Tm,Ho:LLF laser

Zhang

Huang

et al. 2018

Opt. Express

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We first investigate the polarization coexistence and switching between the orthogonal π- and σ-polarization states in a free running optical bistability Tm,Ho:LLF laser. The output performances of the optical bistability Tm,Ho:LLF laser is numerically simulated, based on a new rate equation theory model taking into account the influences of polarization-dependent gain and losses. The simulation results show the polarization coexistence and switching of output laser in the process of decreasing pump power. The physical mechanism of polarization coexistence and switching is clarified by analyzing the polarization-dependent net-gain coefficients. Furthermore, the polarization coexistence and switching are experimentally realized in the optical bistability Tm,Ho:LLF laser, which validates the theoretical analysis. The theoretical model can be applied to analyze the polarization coexistence and switching in other kinds of (quasi-) three-level optical bistable lasers.

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Theoretical and experimental investigation of polarization coexistence and switching in an optical bistability Tm,Ho:LLF laser

Zhang

Huang

et al. 2018

Opt. Express

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Orthogonally Polarized Dual-Wavelength Gain-Switched Ho:LuLiF4 Pulse Laser

Cui

Tian

et al. 2023

Photonics

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A compact, orthogonally polarized, gain-switched a-cut Ho:LuLiF4 laser with intra-cavity pumping by a self-Q-switched Tm:YAP laser is demonstrated here for the first time. The π-polarization laser at 2052 nm and σ-polarization laser at 2066 nm were experimentally observed with the maximum output power values of 299 mW and 126 mW, respectively, and the two polarization directions were always kept mutually orthogonal as the pump power increased. The ratio of the output power between the two orthogonal polarization lasers was nearly 1:1 at a pump power of 18.4 W. The minimum pulse width of the Ho:LLF laser was 326 ns, the maximum repetition rate was 24 kHz, and the maximum average energy was 28 μJ.

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Polarization switching and optical bistability in the diode-pumped Tm,Ho:LLF laser

Cited by 2 publications

References 31 publications

Theoretical and experimental investigation of polarization coexistence and switching in an optical bistability Tm,Ho:LLF laser

Theoretical and experimental investigation of polarization coexistence and switching in an optical bistability Tm,Ho:LLF laser

Orthogonally Polarized Dual-Wavelength Gain-Switched Ho:LuLiF4 Pulse Laser

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