Simulation for efficiency improvement of a thuilium Q-switched ytterbium-doped all-fiber laser

Tzong Yow Tsai; Zhi Cheng Lee; Yu Cheng Song; Shih Ting Lin; Zu Jie Yang

doi:10.1364/OL.414597

Simulation for efficiency improvement of a thuilium Q-switched ytterbium-doped all-fiber laser

Tzong Yow Tsai, Zhi Cheng Lee, Yu Cheng Song, Shih Ting Lin, Zu Jie Yang

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Abstract

We theoretically explore the mechanism in a thulium Qswitched ytterbium-doped all-fiber fiber laser using a set of rate equations to model the correlations between the photons and the five energy levels of thulium involved in the Q switching mechanism. We demonstrate that by coupling with a gain-switched resonator, the Q-switched laser is stabilized up to the maximum pulsing rate that is limited by the lifetime of level ³H₅. To the best of our knowledge, this is the first study that revealed that level ³H₅ plays an essential role in reinitialization, achieving sequential pulses, and limiting the maximum repetition rate.

Original language	English
Pages (from-to)	516-519
Number of pages	4
Journal	Optics Letters
Volume	46
Issue number	3
DOIs	https://doi.org/10.1364/OL.414597
Publication status	Published - 2021 Feb 1

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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abstract = "We theoretically explore the mechanism in a thulium Qswitched ytterbium-doped all-fiber fiber laser using a set of rate equations to model the correlations between the photons and the five energy levels of thulium involved in the Q switching mechanism. We demonstrate that by coupling with a gain-switched resonator, the Q-switched laser is stabilized up to the maximum pulsing rate that is limited by the lifetime of level 3H5. To the best of our knowledge, this is the first study that revealed that level 3H5 plays an essential role in reinitialization, achieving sequential pulses, and limiting the maximum repetition rate.",

author = "Tsai, {Tzong Yow} and Lee, {Zhi Cheng} and Song, {Yu Cheng} and Lin, {Shih Ting} and Yang, {Zu Jie}",

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AU - Tsai, Tzong Yow

AU - Lee, Zhi Cheng

AU - Song, Yu Cheng

AU - Lin, Shih Ting

AU - Yang, Zu Jie

PY - 2021/2/1

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AB - We theoretically explore the mechanism in a thulium Qswitched ytterbium-doped all-fiber fiber laser using a set of rate equations to model the correlations between the photons and the five energy levels of thulium involved in the Q switching mechanism. We demonstrate that by coupling with a gain-switched resonator, the Q-switched laser is stabilized up to the maximum pulsing rate that is limited by the lifetime of level 3H5. To the best of our knowledge, this is the first study that revealed that level 3H5 plays an essential role in reinitialization, achieving sequential pulses, and limiting the maximum repetition rate.

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Simulation for efficiency improvement of a thuilium Q-switched ytterbium-doped all-fiber laser

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