Matrix analysis of high-density arrayed waveguides: Crosstalk suppression by bending

IF 3.8 2区 物理与天体物理 Q2 PHYSICS, APPLIED Physical Review Applied Pub Date : 2024-08-30 DOI:10.1103/physrevapplied.22.024077
Panu Hildén, Andriy Shevchenko
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Abstract

For many photonic devices, crosstalk between densely packed waveguides poses a major problem leading to unreliable or inefficient operation of the device. In this work, a general method for modeling the crosstalk, not only in straight waveguide arrays but also in curved ones, is introduced. The method is based on a matrix analysis of electromagnetic field coupling between closely spaced waveguides. As an example, we show how bending of waveguides in an array reduces the crosstalk. The approach can help overcome the crosstalk problem in a variety of photonic integrated devices, including phased waveguide arrays, arrayed waveguide gratings, optical multiplexers, and high-density interconnects between optical and electronic components.

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高密度阵列波导的矩阵分析:通过弯曲抑制串音
对于许多光子设备来说,密集波导之间的串扰是一个主要问题,会导致设备运行不可靠或效率低下。在这项工作中,引入了一种通用的串扰建模方法,不仅适用于直线波导阵列,也适用于曲线波导阵列。该方法基于对紧密间隔波导之间电磁场耦合的矩阵分析。例如,我们展示了阵列中波导的弯曲如何减少串扰。这种方法有助于克服各种光子集成设备中的串扰问题,包括相位波导阵列、阵列波导光栅、光多路复用器以及光学和电子元件之间的高密度互连。
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来源期刊
Physical Review Applied
Physical Review Applied PHYSICS, APPLIED-
CiteScore
7.80
自引率
8.70%
发文量
760
审稿时长
2.5 months
期刊介绍: Physical Review Applied (PRApplied) publishes high-quality papers that bridge the gap between engineering and physics, and between current and future technologies. PRApplied welcomes papers from both the engineering and physics communities, in academia and industry. PRApplied focuses on topics including: Biophysics, bioelectronics, and biomedical engineering, Device physics, Electronics, Technology to harvest, store, and transmit energy, focusing on renewable energy technologies, Geophysics and space science, Industrial physics, Magnetism and spintronics, Metamaterials, Microfluidics, Nonlinear dynamics and pattern formation in natural or manufactured systems, Nanoscience and nanotechnology, Optics, optoelectronics, photonics, and photonic devices, Quantum information processing, both algorithms and hardware, Soft matter physics, including granular and complex fluids and active matter.
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