Advances in on-chip photonic devices based on lithium niobate on insulator

J Lin, F Bo, Y Cheng, J Xu - Photonics Research, 2020 - opg.optica.org
Crystalline lithium niobate (LN) is an important optical material because of its broad
transmission window that spans from ultraviolet to mid-infrared and its large nonlinear and …

[HTML][HTML] Unveiling the origins of quasi-phase matching spectral imperfections in thin-film lithium niobate frequency doublers

J Zhao, X Li, TC Hu, AA Sayem, H Li, A Tate, K Kim… - APL Photonics, 2023 - pubs.aip.org
Thin-film lithium niobate (TFLN) based frequency doublers have widely been recognized as
an essential component for both classical and quantum optical communications …

Noncritical phasematching behavior in thin-film lithium niobate frequency converters

PS Kuo - Optics letters, 2021 - opg.optica.org
We present a study of noncritical phasematching behavior in thin-film, periodically poled
lithium niobate (PPLN) waveguides. Noncritical phasematching refers to designing …

Effect of dimension variation for second-harmonic generation in lithium niobate on insulator waveguide

XH Tian, W Zhou, KQ Ren, C Zhang, X Liu… - Chinese Optics …, 2021 - opg.optica.org
We study the effect of dimension variation for second-harmonic generation (SHG) in lithium
niobate on insulator (LNOI) waveguides. Non-trivial SHG profiles in both type-0 and type-I …

Frequency-Resolved Simulations of Highly Entangled Biphoton States: Beyond the Single-Pair Approximation. II. Application to Entanglement-based Quantum Key …

P Kleinpaß, T Walther, E Fitzke - ar**
AC Gray, JRC Woods, LG Carpenter, H Kahle… - Applied Optics, 2020 - opg.optica.org
We present the design and characterization of a zinc-indiffused periodically poled lithium-
niobate ridge waveguide for second-harmonic generation of∼ 390nm light from 780 nm. We …

Integrated, bright broadband, two-colour parametric down-conversion source

R Pollmann, F Roeder, V Quiring, R Ricken… - Optics …, 2024 - opg.optica.org
Broadband quantum light is a vital resource for quantum metrology and spectroscopy
applications such as quantum optical coherence tomography or entangled two photon …