Second harmonic generation in periodically poled lithium niobate waveguides with stitching errors

M Neradovskiy, E Neradovskaia, D Chezganov… - JOSA B, 2018 - opg.optica.org
Depending on the chosen fabrication process, nonlinear waveguides realized in periodically
oriented material such as periodically poled lithium niobate (PPLN) can present different …

Narrow-bandwidth Bragg grating filter based on Ge-Sb-Se chalcogenide glasses

C Zhou, X Zhang, Y Luo, C Hou, Z Yang, W Zhang… - Optics …, 2022 - opg.optica.org
Bragg grating (BG) filters play important roles in integrated photonics such as signal
processing and optical sensing. In silicon-based counterpart photonic platforms, the …

Cascaded apodized gratings for reduction of drive voltage in electro-optic modulators on thin-film lithium niobate

JW Haefner, S Fathpour - Integrated Optics: Devices, Materials …, 2024 - spiedigitallibrary.org
The strong electro-optic properties of lithium niobate have long established optical
modulators based on the material as the technological backbone for long-haul …