alpha, beta1, and kappa2 phases are investigated for planar waveguide fabrication by proton exchange in congruent lithium tantalate. The effective indices of planar waveguide eigenmodes were monitored over time, revealing that the exchange process induces aging instabilities in all phases except alpha .
BUSACCA A C, D'ASARO E, RIVA SANSEVERINO S, ASSANTO G (2008). Stable proton exchanged waveguides in Lithium Tantalate. IEEE PHOTONICS TECHNOLOGY LETTERS, 20(24), 2126-2128 [10.1109/LPT.2008.2007129].
Stable proton exchanged waveguides in Lithium Tantalate
BUSACCA, Alessandro;D'ASARO, Elena;RIVA SANSEVERINO, Stefano;
2008-01-01
Abstract
alpha, beta1, and kappa2 phases are investigated for planar waveguide fabrication by proton exchange in congruent lithium tantalate. The effective indices of planar waveguide eigenmodes were monitored over time, revealing that the exchange process induces aging instabilities in all phases except alpha .
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