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8 July 2003 Properties of the APE waveguides fabricated in Er:LiNbO3 and (Er+Yb):LiNbO3
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Proceedings Volume 5036, Photonics, Devices, and Systems II; (2003) https://doi.org/10.1117/12.498592
Event: Photonics, Devices, and Systems II, 2002, Prague, Czech Republic
Abstract
We present a study of the annealed proton exchanged waveguides fabricated in erbium and in a mixture of erbium and ytterbium (RE) bulk doped lithium niobate. Waveguiding properties and composition of the RE doped waveguides were not substantially changed compared with those fabricated in pristine lithium niobate. However, presence of the doping ions decreases the r33, but a carefully designed APE technology can increase the r33 almost to the value of the pristine LiNbO3. According to our results the proton exchange need not necessarily change the efficiency of the 1,5 μm emission and certainly does not lower the concentrations of the RE.
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Pavla Nekvindova, Anna Mackova, Vratislav Perina, Jarmila Cervena, Pavel Capek, Josef Schroefel, and Jarmila Spirkova "Properties of the APE waveguides fabricated in Er:LiNbO3 and (Er+Yb):LiNbO3", Proc. SPIE 5036, Photonics, Devices, and Systems II, (8 July 2003); https://doi.org/10.1117/12.498592
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