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Nd:YSAG waveguide-grating vortex laser: design and implementation
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DOI：10.1364/OE.500891.png)
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In this work, we fabricate a hybrid waveguide-grating vortex laser in Nd:YSAG by using femtosecond laser direct writing (FsLDW). The detailed parameters of the hybrid structure are fixed by optical simulation. In experiments, an efficient vortex beam is produced in the passive operation at 1064 nm. Under optical pumping at 808 nm, a dual-wavelength waveguide laser at 1060/1062 nm as well as a waveguide-grating vortex laser at 1060 nm are obtained. The laser performance and diffraction properties of the generated vortex laser are detailed, studied, and discussed, providing meaningful reference results toward the practical applications of FsLDW and waveguide-grating structures in integrated photonics.
Keyword:
DIRECT GENERATION
BEAMS
EFFICIENCY
期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
机构
引用论文
Fifty percent internal slope efficiency femtosecond direct-written Tm3+:ZBLAN waveguide laser.png)
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