Near-infrared optical properties of Yb3+-doped silicate glass waveguides prepared by double-energy proton implantation
2018
Abstract We report on the preparation and properties of an optical planar waveguide structure operating at 1539 nm in the Yb 3+ -doped silicate glass. The waveguide was formed by using (470 + 500) keV proton implantation at fluences of (1.0 + 2.0) × 10 16 ions/cm 2 . The waveguiding characteristics including the guided-mode spectrum and the near-field image were investigated by the m-line technique and the finite-difference beam propagation method. The energy distribution for implanted protons and the refractive index profile for the proton-implanted waveguide were simulated by the stopping and range of ions in matter and the reflectivity calculation method. The proton-implanted Yb 3+ -doped silicate glass waveguide is a candidate for optoelectronic elements in the near-infrared region.
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