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Opt Lett. 2009 May 1;34(9):1438-40.

Ion-implanted optical-stripe waveguides in neodymium-doped calcium barium niobate crystals.

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1
School of Physics, Shandong University, 250100 Jinan, China.

Abstract

We report on the fabrication and characterization of optical-stripe waveguides in neodymium-doped calcium barium niobate (Nd:CBN) crystals by using He ion implantation assisted with a mask. The guided-mode profiles are successfully modeled through numerical simulations. After annealing at 200 degrees C for 30 min, the waveguide propagation loss could be reduced down to ~3 dB/cm. Room-temperature microluminescence and micro-Raman investigations reveal that the crystal bulk features are well preserved in the active volume of the waveguide, suggesting possible applications as integrated photonic devices.

PMID:
19412298
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