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Proceedings Paper

Investigation of PPSLT waveguides for applications in optical communication systems
Author(s): André A. Albuquerque; Benjamin J. Puttnam; Junji Hirohashi; Miguel V. Drummond; Satoshi Shinada; Rogério N. Nogueira; Naoya Wada
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Paper Abstract

In this work the performance of annealed proton-exchanged (APE) waveguides in periodically poled stoichiometric lithium tantalate (PPSLT) for high power applications in the C-band is investigated. Two APE-PPSLT chips comprising 50 waveguides produced with different poling periods and mask width for proton-exchange (PE) were characterized. The performance of the PPSLT devices was also compared with a periodically poled lithium niobate (PPLN) waveguide. Despite lower efficiency, no photorefractive issues or deleterious green light emission were observed in the PPSLT waveguides. The experimental results suggest that the homogeneity of the PPSLT waveguides can be further improved, which will enhance their efficiency.

Paper Details

Date Published: 22 August 2014
PDF: 6 pages
Proc. SPIE 9286, Second International Conference on Applications of Optics and Photonics, 92861K (22 August 2014); doi: 10.1117/12.2063760
Show Author Affiliations
André A. Albuquerque, Instituto de Telecomunicações (Portugal)
Benjamin J. Puttnam, National Institute of Information and Communications Technology (Japan)
Junji Hirohashi, Oxide Corp. (Japan)
Miguel V. Drummond, Instituto de Telecomunicações (Portugal)
Satoshi Shinada, National Institute of Information and Communications Technology (Japan)
Rogério N. Nogueira, Instituto de Telecomunicações (Portugal)
Naoya Wada, National Institute of Information and Communications Technology (Japan)


Published in SPIE Proceedings Vol. 9286:
Second International Conference on Applications of Optics and Photonics
Manuel Filipe P. C. Martins Costa; Rogério Nunes Nogueira, Editor(s)

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