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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 18 — Sep. 4, 2006
  • pp: 8278–8289

Deep UV light induced, fast reconfigurable and fixed waveguides in Mg doped LiTaO3

Flurin Juvalta, Bozena Koziarska-Glinka, Mojca Jazbinšek, Germano Montemezzani, Kenji Kitamura, and Peter Günter  »View Author Affiliations


Optics Express, Vol. 14, Issue 18, pp. 8278-8289 (2006)
http://dx.doi.org/10.1364/OE.14.008278


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Abstract

Dynamic waveguides are induced beneath the surface of magnesium doped near-stoichiometric lithium tantalate by deep UV light at λ = 257 nm using the interband photorefractive effect. The waveguides can be reconfigured in 10 ms at UV intensities of 100 mW/cm2. We show the importance of the background illumination for the build-up of dynamic optical waveguides. We also present a new fixing process of the light-induced waveguide structures when the background light is absent. These quasi-fixed structures with dark decay times of several days are due to charges trapped in deep traps.

© 2006 Optical Society of America

OCIS Codes
(190.5330) Nonlinear optics : Photorefractive optics
(230.7370) Optical devices : Waveguides
(260.7190) Physical optics : Ultraviolet

ToC Category:
Nonlinear Optics

History
Original Manuscript: July 3, 2006
Manuscript Accepted: August 16, 2006
Published: September 1, 2006

Citation
Flurin Juvalta, Bozena Koziarska-Glinka, Mojca Jazbinsek, Germano Montemezzani, Kenji Kitamura, and Peter Günter, "Deep UV light induced, fast reconfigurable and fixed waveguides in Mg doped LiTaO3," Opt. Express 14, 8278-8289 (2006)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-14-18-8278


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References

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