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  • Vol. 27, Iss. 13 — Jul. 1, 2002
  • pp: 1111–1113

Ion-implanted Nd:YVO4 planar waveguide: refractive-index characterization and propagation mode reduction

Feng Chen, Xue-Lin Wang, Ke-Ming Wang, Qing-Ming Lu, and Ding-Yu Shen  »View Author Affiliations


Optics Letters, Vol. 27, Issue 13, pp. 1111-1113 (2002)
http://dx.doi.org/10.1364/OL.27.001111


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Abstract

We report for what is believed to be the first time planar waveguide formation and propagation mode reduction in Nd:YVO4 crystal, which were achieved by 3.0-MeV silicon-ion implantation followed by annealing under specific conditions. After the implantation, an enhanced refractive-index region was formed with a width of ~2µm beneath the sample surface to act as a waveguide structure. We found that there were four propagation modes for the as-implanted Nd:YVO4 waveguide, whereas after annealing at 240–360°C for several hours the number of modes could be reduced to three, two, and one. After annealing at 400°C for 1 h the monomode waveguide was destroyed completely, and no mode was observed in the sample.

© 2002 Optical Society of America

OCIS Codes
(160.3380) Materials : Laser materials
(230.3120) Optical devices : Integrated optics devices
(230.7390) Optical devices : Waveguides, planar

Citation
Feng Chen, Xue-Lin Wang, Ke-Ming Wang, Qing-Ming Lu, and Ding-Yu Shen, "Ion-implanted Nd:YVO4 planar waveguide: refractive-index characterization and propagation mode reduction," Opt. Lett. 27, 1111-1113 (2002)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-27-13-1111


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