Exploring the Photonic Spectrum of Plasma Superlattice with Magnetic Fields

IF 1.9 4区 物理与天体物理 Q3 OPTICS Journal of the European Optical Society-Rapid Publications Pub Date : 2023-08-04 DOI:10.1051/jeos/2023036
Servando Lopez Aguayo
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Abstract

In this study, we investigate how an external magnetic field that can have any direction affects a superlattice’s photonic band structure, composed of alternating dielectric and plasma layers. By deriving the dispersion equations, we show that the photonic spectrum of the superlattice loses its degeneracy and splits into two branches due to the external magnetic field. Moreover, our findings reveal a direction-independent transition from a photonic insulator to a photonic conductor. Interestingly, our results indicate that a superlattice that was previously completely photo-isolating can become entirely photo-conducting, regardless of the direction of the external magnetic field.
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利用磁场探索等离子体超晶格的光子谱
在这项研究中,我们研究了一个可以有任何方向的外部磁场如何影响由交替介电层和等离子体层组成的超晶格的光子带结构。通过推导色散方程,我们证明了由于外加磁场的作用,超晶格的光子谱失去简并并分裂成两个分支。此外,我们的发现揭示了从光子绝缘体到光子导体的方向无关的转变。有趣的是,我们的研究结果表明,以前完全光隔离的超晶格可以变得完全光导电,而与外部磁场的方向无关。
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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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