Abstract
We report on the fabrication of the planar waveguides in crystal by using 17 MeV or ions at a fluence of . The reconstructed refractive index profiles of the waveguides produced by either or irradiation are the “well” “barrier” pattern distribution. The two-dimensional modal profiles of the planar waveguides, measured by using the end-coupling arrangement, are in good agreement with the simulated modal distributions. After thermal annealing treatment at 260 °C for 30 min, the propagation loss for and irradiated waveguides could be reduced down to and , respectively, which exhibit acceptable guiding qualities for potential applications in integrated optics.
©2011 Optical Society of America
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