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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 15, Iss. 7 — Jul. 1, 1998
  • pp: 1838–1842

Reverse proton exchange for buried waveguides in LiNbO3

Yu. N. Korkishko, V. A. Fedorov, T. M. Morozova, F. Caccavale, F. Gonella, and F. Segato  »View Author Affiliations


JOSA A, Vol. 15, Issue 7, pp. 1838-1842 (1998)
http://dx.doi.org/10.1364/JOSAA.15.001838


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Abstract

The reverse proton-exchange (RPE) process performed in different HxLi1-xNbO3 crystalline phases of proton-exchanged and annealed proton-exchanged LiNbO3 waveguides leads to remarkable optical and compositional modifications. Analysis of ordinary and extraordinary index profiles, correlated with concentration depth profiles in RPE samples subjected to different exchange and postexchange treatments, shows how buried-index optical waveguides in LiNbO3 with symmetric mode and reduced fiber–waveguide coupling losses can be realized.

© 1998 Optical Society of America

OCIS Codes
(130.3130) Integrated optics : Integrated optics materials
(130.3730) Integrated optics : Lithium niobate
(230.7370) Optical devices : Waveguides
(310.3840) Thin films : Materials and process characterization

History
Original Manuscript: November 10, 1997
Revised Manuscript: March 2, 1998
Manuscript Accepted: March 11, 1998
Published: July 1, 1998

Citation
Yu. N. Korkishko, V. A. Fedorov, T. M. Morozova, F. Caccavale, F. Gonella, and F. Segato, "Reverse proton exchange for buried waveguides in LiNbO3," J. Opt. Soc. Am. A 15, 1838-1842 (1998)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-15-7-1838

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