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- Title
Preparation and characteristics of the O<sup>3+</sup>-ion-implanted and femtosecond laser-ablated waveguide in the high-gain Nd<sup>3+</sup>-doped laser glass.
- Authors
Liu, Chun-Xiao; Wang, Zi-Hao; Sun, Wang; Zhao, Jie; Bao, Xiao-Yu
- Abstract
In the work, the planar and ridge waveguides are fabricated by the combination of ion implantation and femtosecond laser ablation in the high-gain Nd3+-doped laser glass. The species, energy, and dose of ion implantation are O3+ ion, 6.0 × 106 eV, and 5.0 × 1014 ions/cm2, respectively. The pulse energy and the scanning velocity are 3 μJ and 50 μm/s for the FS laser ablation. The m-line curve and the refractive index distribution of the planar waveguide are got via a prism coupler and a reflection calculation method, respectively. The refractive index in waveguide core is increased by 2.3 × 10–3 through the O3+ ion irradiation. The microscope images and near-field intensity distributions for both planar and ridge waveguides are measured by a Nikon microscope and an end-face coupling arrangement, respectively. The cross-sectional dimension of the ridge waveguide is 4.2 μm × 10 μm. It has the potential to explore new dimensions in the field of the active waveguides.
- Publication
Journal of Materials Science: Materials in Electronics, 2024, Vol 35, Issue 13, p1
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-024-12686-2