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Area scalable optically induced photorefractive photonic microstructures

机译:面积可扩展的光诱导光折变光子微结构

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摘要

A convenient approach to fabricate area scalable two-dimensional photonic microstructures was experimentally demonstrated by multi-face optical wedges. The approach is quite compact and stable without complex optical alignment equipment. Large-area square lattice microstructures are optically induced inside an iron-doped lithium niobate photorefractive crystal. The induced large-area microstructures are analyzed and verified by plane wave guiding, Brillouin-zone spectroscopy, angle-dependent transmission spectrum, and lateral Bragg reflection patterns. The method can be easily extended to generate other more complex area scalable photonic microstructures, such as quasicrystal lattices, by designing the multi-face optical wedge appropriately. The induced area scalable photonic microstructures can be fixed or erased even re-recorded in the photorefractive crystal, which suggests potential applications in micro-nano photonic devices. (C) 2016 Elsevier B.V. All rights reserved.
机译:通过多面光楔实验证明了一种方便的方法来制造面积可扩展的二维光子微结构。该方法非常紧凑且稳定,无需复杂的光学对准设备。大面积方晶格微结构在掺铁铌酸锂光折射晶体内部发生光学诱导。通过平面波导管,布里渊区光谱,角度相关的透射光谱和横向布拉格反射模式对诱导的大面积微观结构进行了分析和验证。通过适当地设计多面光学楔,可以容易地扩展该方法以生成其他更复杂的面积可缩放的光子微结构,例如准晶格。诱导面积可扩展的光子微结构可以被固定或擦除,甚至可以重新记录在光折射晶体中,这暗示了在微纳米光子器件中的潜在应用。 (C)2016 Elsevier B.V.保留所有权利。

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