Mitigating photorefractive effect in thin-filmlithium niobate microring resonators

Abstract

Thin-film lithium niobate is an attractive integrated photonics platform due to its low optical loss and favorable optical nonlinear and electro-optic properties. However, in applications such as second harmonic generation, frequency comb generation, and microwave-to-optics conversion, the device performance is strongly impeded by the photorefractive effect inherent in thin-films. In this paper, we show that the dielectric cladding on lithium niobate microring resonator has a significant influence on the photorefractive effect. By removing the dielectric cladding layer, the photorefractive effect in lithium niobate ring resonators can be effectively mitigated. Our work presents a reliable approach to control the photorefractive effect on thin-film lithium niobate and will further advance the performance of integrated classical and quantum photonic devices based on thin-film lithium niobate.

References in corpus (9)

• Double-slit photoelectron interference in strong-field ionization of the neon dimer
• Monolithic Ultrahigh-Q Lithium Niobate Microring Resonator
• Periodically poled thin film lithium niobate microring resonators with a second-harmonic generation efficiency of 250,000%/W
• Second-Harmonic Generation in Silicon Nitride Ring Resonators
• Second harmonic generation in nano-structured thin-film lithium niobate waveguides
• Dispersion engineered high-Q silicon Nitride Ring-Resonators via Atomic Layer Deposition
• High-Q two-dimensional lithium niobate photonic crystal slab nanoresonators
• Photon-level tuning of photonic nanocavities
• A self-starting bi-chromatic LiNbO3 soliton microcomb

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