Non-stoichiometric control of LiNbO₃and LiTaO₃in ferroelectric domain engineering for optical devices

High-power, single-frequency, continuous-wave second-harmonic-generation of ytterbium fiber laser in PPKTP and MgO:sPPLT

“…We then measured the variation in transmitted IR power at different green power levels over periods of ten minutes. However, we observed no difference in the transmitted IR power with and without green radiation, indicating the absence of GRIIRA in PPKTP up to the maximum generated green power of 6 W. Earlier reports indicate no signature of GRIIRA in MgO:sPPLT at these power levels [19,20]. Fig.…”

Ultraviolet light-assisted domain inversion in magnesium-doped lithium niobate crystals

“…17 For many nonlinear applications, however, the use of undoped lithium niobate is limited by the so-called optical damage. 12,[18][19][20][21] A characteristic feature for a doping leading to optical damage resistivity is a shift of the OH-absorption peak from = 2.87 to 2.83 m happening at magnesium concentrations varying between 4.5 and 4.9 mol %. 12,[18][19][20][21] A characteristic feature for a doping leading to optical damage resistivity is a shift of the OH-absorption peak from = 2.87 to 2.83 m happening at magnesium concentrations varying between 4.5 and 4.9 mol %.…”

First‐Principles Studies on Novel Polar Oxide ZnSnO3; Pressure‐Induced Phase Transition and Electric Properties

“…[1,2] Among these NCS oxides, special attention has been paid to the R3c structure owing to a fascination of fundamental science and technical applications. For instance, LiNbO 3 and LiTaO 3 are typical representatives of non-linear optical materials, [3][4][5] and BiFeO 3 is known as a multiferroic material. [6,7] We recently synthesized novel NCS oxides of ZnSnO 3 with a LiNbO 3 (LN)-type structure (R3c) under high-pressure (HP) conditions ($7 GPa).…”