MHz repetition rate femtosecond radially polarized vortex laser direct writing Yb:CaF2 waveguide laser operating in continuous-wave and pulsed regimes

In this paper, we report the use of femtosecond radially polarized vortex laser with MHz repetition rate for direct writing of cladding waveguides (WGs) and realization of waveguide laser oscillations in ytterbium-doped calcium fluoride crystal. The negative refractive index modification in Yb:CaF2...

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Autores principales:	Liu Kaixin, Dong Yue, Zhang Zihao, Duan Xinghao, Guo Ruohao, Zhai Zhongjun, Wang Junli
Formato:	Artigo
Lenguaje:	Inglês
Publicado:	Wiley 2023-12-01
Colección:	Nanophotonics
Materias:	mhz repetition rate femtosecond radially polarized vortex laser transition metal sulfides calcium fluoride crystal waveguide laser
Acceso en línea:	https://doi.org/10.1515/nanoph-2023-0396
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