Waveguide Grating Color Reflector Using Germanium Telluride

机译：碲化锗波导光栅彩色反射器

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摘要

This paper demonstrates a tunable color filter in an optical waveguide grating architecture consisting of a phase change material, Germanium Telluride (GeTe). The waveguide and grating resonances were used to enhance the color dynamic when GeTe is transitioned between its amorphous and crystalline states. The optical refractive index of the GeTe grating changes in response to an applied heat, which results in different reflected colors. Red, yellow, and green colors were achieved at room temperature for different grating periods in the amorphous phase. When GeTe is transitioned to the crystalline state, these colors change to orange, green, and blue, respectively.

机译：本文演示了一种由相变材料锗碲（GeTe）组成的光波导光栅结构中的可调谐滤色器。当GeTe在非晶态和结晶态之间转变时，利用波导和光栅共振来增强色彩动态。 GeTe光栅的光学折射率响应于所施加的热量而变化，这导致不同的反射颜色。在非晶相中，在不同的光栅周期下，在室温下可获得红色，黄色和绿色。当GeTe转变为结晶态时，这些颜色分别变为橙色，绿色和蓝色。

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来源
《2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems amp; Eurosensors XXXIII》|2019年|478-481|共4页
会议地点 Berlin(DE)
作者
Mohsen Jafari; L. Jay Guo; Mina Rais-Zadeh;
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作者单位

Department of Electrical Engineering and Computer Science, University of Michigan, Ann, Arbor, MI, USA;

Department of Electrical Engineering and Computer Science, University of Michigan, Ann, Arbor, MI, USA;

Department of Electrical Engineering and Computer Science, University of Michigan, Ann, Arbor, MI, USA;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Gratings; Image color analysis; Optical filters; Optical waveguides; Optical reflection; Color; Refractive index;

机译：光栅;图像颜色分析;光学滤波器;光波导;光反射;颜色;折射率;;

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专利

1. Wide band polarization independent reflector based on guided mode resonance effect in germanium grating [J] . Xu C., Yang S., Qiang Y., Optik: Zeitschrift fur Licht- und Elektronenoptik: = Journal for Light-and Electronoptic . 2013,第17期

机译：基于导模共振效应的锗光栅宽带偏振独立反射器
2. Reflective arrayed waveguide grating with parallel arms using one-dimensional photonic crystal reflector [J] . Okayama H., Onawa Y., Takahashi H., Electronics Letters . 2019,第21期

机译：使用一维光子晶体反射器的平行臂反射阵列波导光栅
3. A high efficiency silicon nitride waveguide grating coupler with a multilayer bottom reflector [J] . Jianxun Hong, Andrew M. Spring, Feng Qiu, Scientific reports. . 2019,第1期

机译：具有多层底部反射器的高效氮化硅波导光栅耦合器
4. Waveguide Grating Color Reflector Using Germanium Telluride [C] . Mohsen Jafari, L. Jay Guo, Mina Rais-Zadeh International Conference on Solid-State Sensors, Actuators and Microsystems amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp; Eurosensors . 2019

机译：使用锗碲化锗的波导光栅颜色反射器
5. Thermal Characterization and Crystal Growth of the Germanium Telluride-Tin Telluride System [D] . Levental, Gill. 2021

机译：碲化型锡碲化物系统的热表征和晶体生长
6. A high efficiency silicon nitride waveguide grating coupler with a multilayer bottom reflector [O] . Jianxun Hong, Andrew M. Spring, Feng Qiu, -1

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7. A high efficiency silicon nitride waveguide grating coupler with a multilayer bottom reflector [O] . Jianxun Hong, Andrew M. Spring, Feng Qiu, 2019

机译：具有多层底部反射器的高效氮化硅波导光栅耦合器
8. Confirmation of Slow-Waves in a Crosstie Overlay Coplanar Waveguide and Its Application to Band-Reject Gratings and Reflectors [R] . Wang, T. H., Itoh, T. 1988

机译：Crosstie叠层共面波导中慢波的确认及其在带阻光栅和反射镜中的应用

Waveguide Grating Color Reflector Using Germanium Telluride

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