Topological Edge State Ring Resonator for Mid-Infrared(MI) Refractive Indices Biosensor for detection of Brain Tumors

IF 17.7 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-06-03 DOI:10.1149/2162-8777/ad537b

Satyaraj D, A. Mubarakali, Natraj N A, Gopinath S

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Abstract

The unique properties of light underlie the perspectives of quantum photonic technologies, optical interconnects, and a wide range of new sensors.Some of the most dangerous and deadly diseases are tumors, cancers, and brain lesions, which are expensive to detect and treat. Therefore, a low-cost and accurate method to diagnose them can prevent and treat the progress of this disease. In this work, we used the precise topological valley photonic crystal (TVPC) method for detection. TVPC is an important method for transmitting and controlling light in the optical device. The valley-spin locking in the topology state provides robust transfer and low propagation loss at the desired path.In order to design, by finding the edge band within the first bulk band gap of 146.4THz-155.9THz, the model and design of the topological ring resonator (TRS)were realized. We proposed a topological biosensorbyusing the hexagonal lattice air holes in the silicon slab with a compact size of 22.95µm×10µm. the quality factor and sensitivity at best value are2.905×104and9021nm/RIU respectively. This design can be implemented on the Complementary Metal-Oxide-Semiconductor (CMOS) technology as a high-sensitivity optical device.

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用于中红外（MI）折射率生物传感器的拓扑边缘态环形谐振器，可用于检测脑肿瘤

光的独特性质是量子光子技术、光互连和各种新型传感器前景的基础。一些最危险、最致命的疾病是肿瘤、癌症和脑部病变，其检测和治疗费用昂贵。因此，一种低成本、精确的诊断方法可以预防和治疗这些疾病。在这项工作中，我们采用了精确的拓扑谷光子晶体（TVPC）方法进行检测。TVPC 是光学设备中传输和控制光的一种重要方法。拓扑状态下的谷旋锁定可在所需路径上提供稳健的传输和较低的传播损耗。为了进行设计，我们在146.4THz-155.9THz的第一块带隙内找到了边缘带，从而实现了拓扑环谐振器（TRS）的模型和设计。我们提出了一种拓扑生物传感器，利用硅片中的六角形晶格气孔，尺寸仅为 22.95µm×10µm ，其品质因数和灵敏度最佳值分别为 2.905×104 和 9021nm/RIU。这种设计可以在互补金属氧化物半导体（CMOS）技术上实现，成为一种高灵敏度光学器件。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.