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We report the first fabrication and characterization of optical planar waveguides in Bi 12 TiO 20 crystals by ion implantation. For comparison we selected O 2+ and He + as our implanted ions. The loss value of the oxygen-implanted planar waveguide is reduced to 1.24dB/cm after annealing at 260°C for 30min. The guided-mode profiles are successfully modeled through numerical...
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