journal article·2020-05-01Open access

High-efficiency, low-cost distributed Bragg reflector based on Al2O3/PbZr0.4Ti0.6O3 multilayer

Shimin Li, Wenchao Zhao, Yan Sun, Ning Dai, Gujin Hu

AIP Advances· Volume 10· Issue 5

Abstract

Ferroelectric oxides are kinds of materials for construction of tunable photonic crystals with remarkable electro-optical properties. However, it is a challenge to prepare high quality dielectric mirrors consisting of ferroelectric and dielectric materials. Herein, we report a simple and inexpensive PVP-based sol–gel technique for fabricating crack-free Al2O3/PbZr0.4Ti0.6O3 (PZT) Bragg reflectors. A high-reflection band with a 200-nm bandwidth and an average optical reflectivity of more than 75% is achieved by a periodic stack of only four Al2O3/PZT bilayers, making the multilayer structure potentially applicable in tunable dielectric mirrors, optical cavities, and selective filters.
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Research context

OpenAlex topics: Ferroelectric and Piezoelectric Materials · Photonic Crystals and Applications · Photorefractive and Nonlinear Optics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences 1 , Shanghai 200083, China

University of Chinese Academy of Sciences 2 , Peiking 100049, China

College of Physics and Optoelectronic Engineering, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences 3 , No. 1, Sub-Lane Xiangshan, Xihu District, Hangzhou 310024, China

Key Laboratory of Optoelectronic Materials and Devices, Department of Physics, Huzhou University 4 , Huzhou 313000, China

Department of Physics, College of Mathematics and Science, Shanghai Normal University 5 , Shanghai 200234, China

Funding

Frontier Science Research Project of Chinese Academy of Sciences · Major Project of the Science and Technology Ministry in China · National Natural Science Foundation of China

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