Passively Q-switched Mode-locked Tm,Ho: CaYAlO4 Laser Operating at 2 089 nm

SUN Rui; LING Wei-jun; CHEN Chen; DONG Zhong; YUAN Zhen; XU Qiang; ZHANG Ya-ni

doi:10.3788/fgxb20204103.0301

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Passively Q-switched Mode-locked Tm,Ho: CaYAlO₄ Laser Operating at 2 089 nm

Device Fabrication and Physics | 更新时间：2020-08-12

- Passively Q-switched Mode-locked Tm,Ho: CaYAlO₄ Laser Operating at 2 089 nm
- Chinese Journal of Luminescence Vol. 41, Issue 3, Pages: 301-307(2020)
- 作者机构：
  
  1. 天水师范学院激光技术研究所,甘肃天水,741001
  2. 宝鸡文理学院物理与光电技术学院,陕西宝鸡,721016
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20204103.0301
  CLC： TN248.1
- Received：06 December 2019，
  
  Revised：13 January 2020，
  
  Published Online：15 January 2020，
  
  Published：05 March 2020
- 稿件说明：
移动端阅览
孙锐, 令维军, 陈晨等. 2 089 nm调Q锁模Tm,Ho:CaYAlO4激光器[J]. 发光学报, 2020,41(3): 301-307

SUN Rui, LING Wei-jun, CHEN Chen etc. Passively Q-switched Mode-locked Tm,Ho: CaYAlO4 Laser Operating at 2 089 nm[J]. Chinese Journal of Luminescence, 2020,41(3): 301-307
孙锐, 令维军, 陈晨等. 2 089 nm调Q锁模Tm,Ho:CaYAlO4激光器[J]. 发光学报, 2020,41(3): 301-307 DOI： 10.3788/fgxb20204103.0301.

SUN Rui, LING Wei-jun, CHEN Chen etc. Passively Q-switched Mode-locked Tm,Ho: CaYAlO4 Laser Operating at 2 089 nm[J]. Chinese Journal of Luminescence, 2020,41(3): 301-307 DOI： 10.3788/fgxb20204103.0301.

摘要

首次采用氧化石墨烯可饱和吸收体作为锁模启动元件在Tm，Ho:CaYAlO

激光器中实现了稳定的被动调

锁模运转。在3%输出耦合镜下，Tm，Ho:CaYAlO

固体激光器获得了最低为293 mW的连续光出光阈值。在腔内引入氧化石墨烯可饱和吸收体后，当吸收抽运功率增大到1 859 mW时，Tm，Ho:CaYAlO

激光器进入稳定的调

锁模运转状态。当抽运功率达到3 W时，获得中心波长为2 089 nm、斜效率为10.1%、对应最大输出功率为213 mW的被动调

锁模脉冲，重复频率为100 MHz，调

包络中锁模脉冲的调制深度接近100%。

Abstract

Employing graphene oxide as a saturable absorber

we experimentally demonstrated a passively

-switched mode-locked (QML) operation of a Tm

Ho:CaYAlO

bulk laser. In this case

the absorbed threshold power of Tm

Ho:CaYAlO

bulk laser was measured as 293 mW by using a 3% output coupler. When the absorption pumping power reached 1 859 mW

it entered a stable

-switched mode-locked operation state. And when the pumping power reached 3 W

the corresponding maximum output power is 213 mW

corresponding to a slope efficiency of 10.1%

the central wavelength of 2 089 nm

the repetition frequency of 100 MHz

and the modulation depth being close to 100%.

关键词

Keywords

references

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