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掺锆铌酸锂中退火质子交换波导的非线性扩散模型

Nonlinear diffusion model for annealed proton-exchanged waveguides in zirconium-doped lithium niobate.

作者信息

Langrock Carsten, Roussev Rostislav V, Nava Giovanni, Minzioni Paolo, Argiolas Nicola, Sada Cinzia, Fejer Martin M

出版信息

Appl Opt. 2016 Aug 20;55(24):6559-63. doi: 10.1364/AO.55.006559.

DOI:10.1364/AO.55.006559
PMID:27556972
Abstract

Photorefractive-damage- (PRD) resistant zirconium-oxide-doped lithium niobate is investigated as a substrate for the realization of annealed proton-exchanged (APE) waveguides. Its advantages are a favorable distribution coefficient, PRD resistance comparable to magnesium-oxide-doped lithium niobate, and a proton-diffusion behavior resembling congruent lithium niobate. A 1D model for APE waveguides was developed based on a previous model for congruently melting lithium niobate. Evidence for a nonlinear index dependence on concentration was found.

摘要

研究了抗光折变损伤（PRD）的掺氧化锆铌酸锂作为实现退火质子交换（APE）波导的衬底。其优点是具有良好的分布系数，抗PRD性能与掺氧化镁铌酸锂相当，且质子扩散行为类似于同成分铌酸锂。基于先前关于同成分熔融铌酸锂的模型，开发了一种用于APE波导的一维模型。发现了非线性折射率与浓度相关的证据。

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2
Quantitatively measured photorefractive sensitivity of proton-exchanged lithium niobate, proton-exchanged magnesium oxide-doped lithium niobate, and ion-exchanged potassium titanyl phosphate waveguides.质子交换铌酸锂、质子交换掺氧化镁铌酸锂和离子交换钛酸钾铌光波导的定量测量光折变灵敏度。
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Anisotropic model for the fabrication of annealed and reverse proton exchanged waveguides in congruent lithium niobate.用于在同成分铌酸锂中制备退火和反向质子交换波导的各向异性模型。
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Watt-level 775 nm SHG with 70% conversion efficiency and 97% pump depletion in annealed/reverse proton exchanged diced PPLN ridge waveguides.在经过退火/反向质子交换的切块周期极化铌酸锂脊形波导中实现了瓦级775纳米的二次谐波产生，转换效率达70%，泵浦光耗尽率为97%。
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Comparison of photorefractive-index changes in annealed-proton-exchanged channel waveguides in MgO-doped and congruent LiNbO(3).掺氧化镁同成分铌酸锂晶体中质子交换退火通道波导光折变指数变化的比较
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An excellent crystal for high resistance against optical damage in visible-UV range: near-stoichiometric zirconium-doped lithium niobate.一种在可见光-紫外光范围内具有高抗光损伤性能的优异晶体：近化学计量比掺锆铌酸锂。
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