ETH ZurichDepartment of PhysicsInstitute for Quantum ElectronicsOptical Nanomaterial Group Auguste-Piccard Hof 1 CH-8093 Zurich Switzerland
Aix Marseille UnivCNRSEcole Centrale MarseilleInstitut Fresnel 13397 Marseille France
ETH ZurichDepartment of Mechanical and Process EngineeringInstitute of Process EngineeringParticle Technology Laboratory Sonneggstrasse 3 CH‐8092 Zurich Switzerland
Most of the current top‐down fabrication approaches for 3D nonlinear photonic crystals are time consuming, costly and limited to small surface areas. In article number 1900755, Viola V. Vogler‐Neuling et al. present a promising solution to these challenges. 3D nonlinear woodpile photonic crystals made by solution processing of barium titanate nanoparticles and UV‐soft nanoimprint lithography are fabricated, resulting in large surface areas of 1 cm2. Diffraction patterns and nonlinear polar measurements show the cubic photonic crystal structure of the woodpile assembly. With barium titanate's electro‐optic, elasto‐optic and thermo‐optic properties, active nonlinear photonic crystals could be realized in the future.
中文翻译：
固溶处理的大面积钛酸钡非线性木堆光子结构
当前用于3D非线性光子晶体的大多数自上而下的制造方法耗时，昂贵且限于小表面积。Viola V.Vogler-Neuling等人在编号1900755中的文章。为这些挑战提出了有希望的解决方案。通过钛酸钡纳米粒子的固溶处理和UV-soft纳米压印光刻技术制造了3D非线性木桩光子晶体，产生了1 cm 2的大表面积。衍射图和非线性极化测量结果显示了木桩组件的立方光子晶体结构。利用钛酸钡的电光，弹性光和热光特性，将来可以实现有源非线性光子晶体。
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