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Proceedings Paper

Z-propagation Ti: Er: Tm: LiNbO3 strip waveguide with Er3+/Tm3+ codoped
Author(s): Wenbao Sun; Xiaofei Yang; Ruiqi Piao; Delong Zhang
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Paper Abstract

We present z-propagation single-mode Ti: Er: Tm: LiNbO3 strip waveguides on X-Cut congruent LiNbO3 substrate. The waveguide has been fabricated by a technological process, starting with the preparation of the Er3+/Tm3+codoped LiNbO3plate, followed by the fabrication of 8-μm-wide Ti-diffused strip waveguide. The results of surface refractive indices by employing prism coupling technique shows Er3+/Tm3+codoped have no effects on the substrate index, and the surface composition was evaluated from the measured indices with the help of Sellmeier equation. We demonstrated the amplified simultaneous emission (ASE) spectra from the waveguide pumped at 980nm and 795nm without optical damage observed. The results shows that the co-doping combines the laser property of both ions, and the emission band around 1.5μm is about 150 nm, as a result, opening up a series of possibilities for stable, broadband amplifier devices by employing pump sources under 980nm and 795nm laser diodes.

Paper Details

Date Published: 1 August 2017
PDF: 9 pages
Proc. SPIE 10339, Pacific Rim Laser Damage 2017: Optical Materials for High-Power Lasers, 1033926 (1 August 2017); doi: 10.1117/12.2271128
Show Author Affiliations
Wenbao Sun, Tianjin Univ. (China)
Xiaofei Yang, Tianjin Univ. (China)
Ruiqi Piao, Tianjin Univ. (China)
Delong Zhang, Tianjin Univ. (China)

Published in SPIE Proceedings Vol. 10339:
Pacific Rim Laser Damage 2017: Optical Materials for High-Power Lasers
Jianda Shao; Takahisa Jitsuno; Wolfgang Rudolph, Editor(s)

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