3 papers
physics.optics2026
Enhancing broadband second harmonic generation in a thin film lithium niobate racetrack resonator with tunable-coupling
Olivia Hefti, Jean-Etienne Tremblay, Andrea Volpini +7
Second harmonic generation in thin film periodically poled lithium niobate (PPLN) is constrained by an efficiency-bandwidth trade-off and fabrication-sensitive scaling. We demonstr…
quant-ph2025
High-purity frequency-degenerate photon pair generation via cascaded SFG/SPDC in thin film lithium niobate
Olivia Hefti, Marco Clementi, Enrico Melani +12
Frequency-degenerate photon pairs generated using nonlinear photonic integrated devices are a crucial resource for scalable quantum information processing and metrology. However, t…
physics.optics2024
Ultrabroadband tunable difference frequency generation in standardized thin-film lithium niobate platform
Yesim Koyaz, Christian Lafforgue, Homa Zarebidaki +4
Thin-film lithium niobate (TFLN) on insulator is a promising platform for nonlinear photonic integrated circuits (PICs) due to its strong light confinement, high second-order nonli…