Spatial solitons in KTaxNb1-xO3 waveguides produced by swift carbon ion irradiation and femtosecond laser ablation

被引：19

作者：

He, Shan ^{[1
,2
]}

Zhang, Ziyang ^{[1
,2
]}

Liu, Hongliang ^{[1
,2
]}

Akhmadaliev, Shavkat ^{[3
]}

Zhou, Shengqiang ^{[3
]}

Wang, Xuping ^{[4
]}

Wu, Pengfei ^{[1
,2
]}

机构：

[1] Nankai Univ, Inst Modern Opt, Tianjin 300350, Peoples R China

[2] Tianjin Key Lab Optoelect Sensor & Sensing Networ, Tianjin 300071, Peoples R China

[3] Helmholz Zentrum Dresden Rossendorf, Inst Ion Beam & Mat Res, D-01314 Dresden, Germany

[4] Qilu Univ Technol, Shandong Acad Sci, Adv Mat Inst, Jinan 250014, Shandong, Peoples R China

来源：

APPLIED PHYSICS EXPRESS | 2019年 / 12卷 / 07期

基金：

中国国家自然科学基金;

关键词：

SCALE-FREE OPTICS; FABRICATION; SPLITTERS;

D O I：

10.7567/1882-0786/ab2a2e

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on the fabrication of planar waveguide and ridge waveguides in a KTN crystal by using swift heavy C5+ ions irradiation and femtosecond laser ablation. The reconstructed refractive index profile of the irradiated KTN waveguide illustrates an optical well and barrier distribution. The confocal Raman spectra suggest that the enhanced tetragonality and the lattice damage occurs in the waveguide region and the optical barrier area, respectively. The optical spatial solitons at 632.8 nm are observed from the planar waveguide and the ridge waveguides with a width of 60 mu m and 20 mu m, respectively, at room temperature. (C) 2019 The Japan Society of Applied Physics

引用

页数：4

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