Abstract
We report on the fluorescence imaging of channel waveguides fabricated by light ion (H+) implantation in neodymium (Nd) doped MgO:LiNbO3 crystals. The spectroscopic properties of Nd ions have been found to be modified only at the nuclear damage region while remaining unaltered at the electronic one. The fluorescence image of the light ion implanted waveguide has been found to be completely different from that obtained by medium-mass ion implantation, revealing the different waveguide formation mechanisms taking place in each case.
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