Ridge waveguides in lithium niobate as an integration platform for efficient laser and nonlinear optics applications

铌酸锂脊波导作为高效激光和非线性光学应用的集成平台

• 批准号: 280878751
• 负责人: Professor Dr. Detlef Kip
• 金额: --
• 依托单位: Fachgebiet Experimentalphysik und Materialwissenschaften
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2016
• 资助国家: 德国
• 起止时间: 2015-12-31 至 2019-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/280878751?language=en
• 关键词: Ridge; waveguides; lithium; niobate; integration

In this project, we will develop technical and scientific fundamentals of different types of ridge waveguides fabricated by high-precision dicing of LiNbO3. We describe new methods that promise clear advantages in term of e.g. efficiency of nonlinear effects and active devices like integrated lasers. We will explore new concepts for the reduction of waveguide losses by surface tension at high temperatures and possible suppression of photorefractive damage using thin films of conductive coatings. As these are required for certain applications, we will investigate different methods for the realization of surface gratings on top of diced ridges with sub-micron grating periods. By performing electric-field assisted periodic poling of optimized ridge waveguides, high-efficiency QPM nonlinear wavelength conversion and SHG devices will be developed. We will study Er and Tm doped LiNbO3 ridge waveguides and will demonstrate both Fabry-Perot and DBR lasers with high efficiency and low pump thresholds. Finally, we will demonstrate an advanced entangled photon-pair source with high degree of integration using an Er-doped ridge waveguide laser and a cascaded X(2)-process frequency converter.

在本项目中，我们将开发通过高精度切割LiNbO 3制造的不同类型脊形波导的技术和科学基础。我们描述了新的方法，承诺明确的优势，例如，非线性效应和有源器件，如集成激光器的效率。我们将探讨减少高温下表面张力引起的波导损耗的新概念，以及使用导电涂层薄膜抑制光折变损伤的可能性。由于这些是需要某些应用程序，我们将研究不同的方法来实现表面光栅的顶部切割脊与亚微米光栅周期。通过对优化的脊波导进行电场辅助周期极化，可以研制出高效率的准相位匹配非线性波长转换和倍频器件。我们将研究Er和Tm掺杂的LiNbO 3脊形波导，并将展示具有高效率和低泵浦阈值的法布里-珀罗和DBR激光器。最后，我们将展示一个先进的纠缠光子对源与高集成度使用掺铒脊波导激光器和级联的X（2）过程频率转换器。

项目成果

Efficient Nd:Ti:LiNbO3 ridge waveguide lasers emitting around 1085 nm.

• DOI: 10.1364/oe.27.008884
• 发表时间: 2019-03
• 期刊: Optics express
• 影响因子: 3.8
• 作者: Dominik Brüske;S. Suntsov;C. Rüter;D. Kip

Efficient Ti:LiNbO3 ridge waveguide lasers: investigation of Er and Yb:Er doped waveguides pumped at 980nm and 1486nm

高效 Ti:LiNbO3 脊形波导激光器：研究在 980nm 和 1486nm 泵浦的 Er 和 Yb:Er 掺杂波导

• DOI: 10.1117/12.2289980
• 发表时间: 2018
• 作者: D. Brüske;S. Suntsov;M. F. Volk;C. E. Rüter;D. Kip
• 通讯作者: D. Kip

Er:Ti:LiNbO3 ridge waveguide optical amplifiers by optical grade dicing and three-side Er and Ti in-diffusion

• DOI: 10.1007/s00340-016-6635-1
• 发表时间: 2017-04-01
• 期刊: APPLIED PHYSICS B-LASERS AND OPTICS
• 影响因子: 2.1
• 作者: Suntsov, Sergiy;Rueter, Christian E.;Kip, Detlef
• 通讯作者: Kip, Detlef

Investigation of Ytterbium Incorporation in Lithium Niobate for Active Waveguide Devices

• DOI: 10.3390/app10062189
• 发表时间: 2020-03
• 期刊: Applied Sciences
• 作者: C. Rüter;Dominik Brüske;S. Suntsov;D. Kip

Efficient ridge waveguide amplifiers and lasers in Er-doped lithium niobate by optical grade dicing and three-side Er and Ti in-diffusion

• DOI: 10.1364/oe.25.029374
• 发表时间: 2017-11-13
• 期刊: OPTICS EXPRESS
• 影响因子: 3.8
• 作者: Bruske, Dominik;Suntsov, Sergiy;Kip, Detlef
• 通讯作者: Kip, Detlef