Chemical environment and occupation sites of hydrogen in LiMO 3

T Köhler, M Zschornak, C Röder, J Hanzig… - Journal of Materials …, 2023 - pubs.rsc.org
It is well known that LiMO3 crystals contain a natural hydrogen defect, which binds to oxygen
and forms OH− defects. Since the shape of the corresponding absorption band varies …

On the quantification of hydrogen in lithium metal oxides

T Köhler, P Reichart, E Brendler, A Vyalikh… - Journal of Materials …, 2023 - pubs.rsc.org
Hydrogen incorporation during crystal growth or other treatment has attracted research
interest for a long time, but inconsistent literature data exist about the bulk hydrogen …

High optical damage threshold on-chip lithium tantalate microdisk resonator

X Yan, Y Liu, L Ge, B Zhu, J Wu, Y Chen, X Chen - Optics Letters, 2020 - opg.optica.org
Lithium tantalate (LT) is one of the most attractive optical nonlinear materials, as it
possesses a high optical damage threshold and great UV transparency (0.28–5.5 µm) …

Kinetics of the hydrogen defect in congruent LiMO 3

T Köhler, E Mehner, J Hanzig, G Gärtner… - Journal of Materials …, 2021 - pubs.rsc.org
Hydrogen incorporation during crystal growth or other treatment has attracted research
interest for a long time, but the diffusion paths and the role of additional defect sites within …

Electro-optic effect in proton exchanged LiNbO/sub 3/and LiTaO/sub 3/waveguides

I Savatinova, S Tonchev, R Todorov… - Journal of lightwave …, 1996 - ieeexplore.ieee.org
Electro-optic properties of proton-exchanged (PE) waveguide layers in LiTaO/sub 3/and
LiNbO/sub 3/are studied and related to their optical characteristics. The proton-exchange …

Structural and optical properties of annealed proton‐exchanged waveguides in z‐cut LiTaO3

H Åhlfeldt, J Webjörn, PA Thomas, SJ Teat - Journal of applied physics, 1995 - pubs.aip.org
The structural properties of annealed proton-exchanged waveguides in Z-cut LiTaO, have
been investigated. Observations made in a polarizing microscope together with infrared …

Optical power handling properties of polymeric nonlinear optical waveguides

MA Mortazavi, HN Yoon, CC Teng - Journal of applied physics, 1993 - pubs.aip.org
Polymeric nonlinear optical waveguides of a copolymer of 4‐(N′‐2‐methacroyloxyethyl‐N‐
methyl‐amino)‐4′‐nitrostilbene and methyl methacrylate were tested for optical power …

Crystallization behavior of Li1–5x Ta1+ xO3 glasses synthesized from liquid precursors

JA Allemann, Y **a, RE Morriss… - Journal of materials …, 1996 - cambridge.org
The crystallization of amorphous oxides synthesized by pyrolytic decomposition of mixed Li
and Ta 2-ethylhexanoates and alkoxides has been investigated. The study was motivated by …

Second-harmonic generation in potassium niobate waveguides

D Fluck, P Gunter - IEEE Journal of Selected Topics in Quantum …, 2000 - ieeexplore.ieee.org
We report on our progress in the formation of waveguides in potassium niobate (KNbO/sub
3/) using techniques such as ion implantation and ion sputtering. Different methods for the …

Enlargement of mode size in annealed proton-exchanged periodically-poled MgO doped stoichiometric LiTaO3 waveguide for high power second harmonic …

R Noro, M Okazaki, I Mizobata… - Japanese Journal of …, 2022 - iopscience.iop.org
Watt-class wavelength conversion is expected by enlarging the mode size of the channel
waveguides to dozens of micrometers to avoid optical damage with high-power pump …