Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 9, 2014
|
|
---|---|---|
Article Number | 14055 | |
Number of page(s) | 5 | |
DOI | https://doi.org/10.2971/jeos.2014.14055 | |
Published online | 20 December 2014 |
Regular paper
Subsurface disorder and electro-optical properties of proton-exchanged LiNbO3 waveguides produced by different techniques
1
RPC Optolink Ltd, 124489, Zelenograd, Russia
2
Phys. Dept., Kemerovo State University, 650043, Kemerovo, Russia
3
LPMC, University de Nice Sophia-Antipolis, 06100 Nice Cedex, France
4
MPQ, Universit Paris Diderot, 2, Place Jussieu, 75251 Cedex 05 Paris
Received:
9
September
2014
Revised:
24
November
2014
It has been established, that proton-exchanged LiNbO3 waveguides have a marked subsurface layer with structural disorder inducing degradation of electro-optical properties of these waveguides. At the same time, such a subsurface disorder is found to be less pronounced in soft proton-exchanged (SPE) waveguides in comparison with annealed proton-exchanged (APE) ones. The experimental samples of phase modulators fabricated by SPE technique exhibit a better electro-optical efficiency compared to the LiNbO3 modulators produced by the standard and improved APE techniques.
Key words: Optical waveguides / Lithium Niobate / electro-optic effect / proton exchange
© The Author(s) 2014. All rights reserved.
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