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physics.optics2026
Photorefraction Management in Lithium Niobate Waveguides: High-Temperature vs. Cryogenic Solutions
Nina A. Lange, René Pollmann, Michael Rüsing +7
Lithium niobate sees widespread use in nonlinear and quantum optical devices, such as for sum- and difference-frequency generation or spontaneous parametric down-conversion. In lit…
physics.optics2024
Surface-near domain engineering in multi-domain x-cut lithium niobate tantalate mixed crystals
Laura Bollmers, Tobias Babai-Hemati, Boris Koppitz +5
Lithium niobate and lithium tantalate are among the most widespread materials for nonlinear, integrated photonics. Mixed crystals with arbitrary Nb-Ta ratios provide a new degree o…