Optical vortices in waveguides with discrete and continuous rotational symmetry

IF 1.9 4区 物理与天体物理 Q3 OPTICS
Andrey Pryamikov, Ljupco Hadzievski, Mikhail Fedoruk, Sergei Turitsyn, Alejandro Aceves
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引用次数: 0

Abstract

Coherent vortex structures are fascinating physical objects that are widespread in nature: from large scale atmospheric phenomena, such as tornadoes and the Great Red Spot of Jupiter to microscopic size topological defects in quantum physics and optics. Unlike classical vortex dynamics in fluids, optical vortices feature new interesting properties. For instance, novel discrete optical vortices can be generated in photonic lattices, leading to new physics. In nonlinear optical media, vortices can be treated as solitons with nontrivial characteristics currently studied under the emerging field of topological photonics. Parallel to theoretical advances, new areas of the engineering applications based on light vortices have emerged. Examples include the possibility of carrying information coded in the vortex orbital angular momentum, understood as a spatial-division-multiplexing scheme, to the creation of optical tweezers for efficient manipulation of small objects. This report presents an overview highlighting some of the recent advances in the field of optical vortices with special attention on discrete vortex systems and related numerical methods for modeling propagation in multi-core fibers.

离散和连续旋转对称波导中的光涡旋
相干涡旋结构是自然界中广泛存在的令人着迷的物理对象:从大规模的大气现象,如龙卷风和木星的大红斑,到量子物理和光学中微观尺寸的拓扑缺陷。与流体中的经典涡旋动力学不同,光学涡旋具有新的有趣特性。例如,新的离散光学漩涡可以在光子晶格中产生,从而导致新的物理学。在非线性光学介质中,涡旋可以看作具有非平凡特性的孤子,这是新兴的拓扑光子学研究领域。在理论进步的同时,基于光涡旋的工程应用也出现了新的领域。例如,在涡旋轨道角动量中携带编码信息的可能性,被理解为一种空间分割多路复用方案,以及用于有效操纵小物体的光镊的创建。本文综述了光涡旋研究领域的最新进展,重点介绍了离散涡旋系统及其在多芯光纤中传播建模的相关数值方法。
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来源期刊
CiteScore
2.40
自引率
0.00%
发文量
12
审稿时长
5 weeks
期刊介绍: Rapid progress in optics and photonics has broadened its application enormously into many branches, including information and communication technology, security, sensing, bio- and medical sciences, healthcare and chemistry. Recent achievements in other sciences have allowed continual discovery of new natural mysteries and formulation of challenging goals for optics that require further development of modern concepts and running fundamental research. The Journal of the European Optical Society – Rapid Publications (JEOS:RP) aims to tackle all of the aforementioned points in the form of prompt, scientific, high-quality communications that report on the latest findings. It presents emerging technologies and outlining strategic goals in optics and photonics. The journal covers both fundamental and applied topics, including but not limited to: Classical and quantum optics Light/matter interaction Optical communication Micro- and nanooptics Nonlinear optical phenomena Optical materials Optical metrology Optical spectroscopy Colour research Nano and metamaterials Modern photonics technology Optical engineering, design and instrumentation Optical applications in bio-physics and medicine Interdisciplinary fields using photonics, such as in energy, climate change and cultural heritage The journal aims to provide readers with recent and important achievements in optics/photonics and, as its name suggests, it strives for the shortest possible publication time.
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