Photonic Horn Jets and Whispering Gallery Modes in Dielectric Micro-Cylinders With Two Point-Source Illumination

IF 2.1 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Photonics Journal Pub Date : 2024-07-12 DOI:10.1109/JPHOT.2024.3427393

Shadi A. Alboon;Qing Huo Liu;Ibrahim Mahariq

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Abstract

The interaction of light with micro-scale dielectric structures has garnered significant attention in recent years due to its potential applications in various fields ranging from photonics to biomedical imaging. In this context, this study investigates the generation of twin photonic jets from a dielectric micro-cylinder illuminated by two point-sources. The effect of different parameters on the jet's shape profile and length was analyzed. Those parameters include the cylinder's refractive index and radius, the source distance from the cylinder, and the vertical displacement between the sources. Innovatively, this study introduces the concept of ‘Horn Jets' to characterize the twin photonic jets resulting from the illuminated dielectric micro-cylinder, marking a significant conceptual advancement in the field. Moreover, the generation of whispering gallery modes (WGMs) is investigated. The outcomes obtained through the spectral element method highlight the possibility of generating WGMs by meticulously selecting the cylinder's radius and refractive index, under the scenario of two-point-source illuminations. The results show that the magnitude of the WGMs resonance significantly lies on the vertical displacement due to the resulting interference pattern's dark and bright fringes with the cylinder edges.

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双点源照明介质微气缸中的光子喇叭射流和悄声长廊模式

近年来，光与微尺度介电结构的相互作用因其在从光子学到生物医学成像等各个领域的潜在应用而备受关注。在此背景下，本研究探讨了电介质微圆柱体在两个点光源照射下产生双光子射流的问题。研究分析了不同参数对射流形状和长度的影响。这些参数包括圆柱体的折射率和半径、光源与圆柱体的距离以及光源之间的垂直位移。这项研究创新性地引入了 "喇叭射流 "的概念，以描述由发光介质微圆柱体产生的双光子射流，标志着该领域在概念上的重大进步。此外，还研究了耳语画廊模式（WGM）的产生。通过谱元法获得的结果凸显了在两点光源照明的情况下，通过精心选择圆柱体的半径和折射率产生 WGM 的可能性。结果表明，WGMs 共振的大小主要取决于垂直位移，这是由于产生的干涉图案与圆柱体边缘的暗条纹和亮条纹造成的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Photonics Journal ENGINEERING, ELECTRICAL & ELECTRONIC-OPTICS

CiteScore

4.50

自引率

8.30%

发文量

489

审稿时长

1.4 months

期刊介绍： Breakthroughs in the generation of light and in its control and utilization have given rise to the field of Photonics, a rapidly expanding area of science and technology with major technological and economic impact. Photonics integrates quantum electronics and optics to accelerate progress in the generation of novel photon sources and in their utilization in emerging applications at the micro and nano scales spanning from the far-infrared/THz to the x-ray region of the electromagnetic spectrum. IEEE Photonics Journal is an online-only journal dedicated to the rapid disclosure of top-quality peer-reviewed research at the forefront of all areas of photonics. Contributions addressing issues ranging from fundamental understanding to emerging technologies and applications are within the scope of the Journal. The Journal includes topics in: Photon sources from far infrared to X-rays, Photonics materials and engineered photonic structures, Integrated optics and optoelectronic, Ultrafast, attosecond, high field and short wavelength photonics, Biophotonics, including DNA photonics, Nanophotonics, Magnetophotonics, Fundamentals of light propagation and interaction; nonlinear effects, Optical data storage, Fiber optics and optical communications devices, systems, and technologies, Micro Opto Electro Mechanical Systems (MOEMS), Microwave photonics, Optical Sensors.