Photorefraction-induced Bragg scattering in cryogenic lithium niobate ring resonators

Y Xu, A Al Sayem, CL Zou, L Fan, R Cheng, HX Tang - Optics Letters, 2021 - opg.optica.org
We report intracavity Bragg scattering induced by the photorefractive (PR) effect in high-Q
lithium niobate ring resonators at cryogenic temperatures. We show that when a cavity mode …

Fast response of photorefraction in lithium niobate microresonators

H Jiang, R Luo, H Liang, X Chen, Y Chen, Q Lin - Optics letters, 2017 - opg.optica.org
We present a detailed characterization of photorefraction in on-chip high-Q lithium niobate
(LN) microresonators. We show that the photorefractive effect in these devices exhibits very …

Photorefractive damage in whispering gallery resonators

AA Savchenkov, AB Matsko, D Strekalov… - Optics …, 2007 - Elsevier
We report on a study of optical properties of whispering gallery mode resonators made out of
as-grown nominally pure lithium niobate crystals. We have observed a surprising dynamic …

Mitigating photorefractive effect in thin-film lithium niobate microring resonators

Y Xu, M Shen, J Lu, JB Surya, A Al Sayem, HX Tang - Optics Express, 2021 - opg.optica.org
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 …

Photorefractive effect in LiNbO3-based integrated-optical circuits for continuous variable experiments

F Mondain, F Brunel, X Hua, E Gouzien, A Zavatta… - Optics …, 2020 - opg.optica.org
We investigate the impact of the photorefractive effect on lithium niobate integrated quantum
photonic circuits dedicated to continuous variable on-chip experiments. The circuit main …

Observation of dynamic photorefractive effect in lithium niobate waveguides

L Wan, Y Yuan, G Assanto - Optics communications, 1989 - Elsevier
We report the experimental observation of a transitory state during the build-up of
photorefractive effects in lithium niobate slab waveguides. By prism coupling light into and …

Subwavelength Photorefractive Grating in a Thin‐Film Lithium Niobate Microcavity

J Hou, J Zhu, R Ma, B Xue, Y Zhu, J Lin… - Laser & Photonics …, 2024 - Wiley Online Library
Subwavelength gratings play a fundamental and pivotal role in numerous science and
applications for wave manipulation, exhibiting distinctive features such as filtering, phase …

Photorefractive effects in magnesium doped lithium niobate whispering gallery mode resonators

AA Savchenkov, AB Matsko, D Strekalov… - Applied physics …, 2006 - pubs.aip.org
We report on the study of near-infrared photorefractivity in highly Mg doped as-grown
congruent Li Nb O 3 forming a whispering gallery mode resonator. The resonator is pumped …

Enhancement of photorefraction in whispering gallery mode resonators

AA Savchenkov, AB Matsko, D Strekalov, VS Ilchenko… - Physical Review B, 2006 - APS
We report on the study of photorefractive properties of as-grown nominally pure lithium
niobate and tantalate crystals using whispering gallery mode (WGM) resonators. The …

Impact of the photorefractive and pyroelectric-electro-optic effect in lithium niobate on whispering-gallery modes

M Leidinger, CS Werner, W Yoshiki, K Buse, I Breunig - Optics letters, 2016 - opg.optica.org
Whispering-gallery resonators made of undoped and MgO-doped congruently grown lithium
niobate are used to study electro-optic refractive index changes. Hereby, we focus on the …