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Guest Editor

Department of Physics, School of Science, Westlake University, No.18 Shilongshan Road Cloud Town, Xihu District, Hangzhou 310024, China
Interests: excitons and exciton-polaritons; photonic crystals and metamaterials; quantum computing; spintronics; superconductivity

Dr. Helgi Sigurdsson

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Guest Editor

School of Engineering and Natural Sciences, University of Iceland, Sæmundargata 2, 102 Reykjavík, Iceland
Interests: polariton BEC; exciton-polariton; two-dimensional electron systems; macroscopic quantum physics; semiconductor microcavities

Special Issue Information

Dear Colleagues,

This Special Issue is devoted to the 23rd International Conference on Physics of Light–Matter Interaction in Nanostructues (PLMCN-23). Its focus is on the fundamental and technological issues faced in the realization of a new generation of opto-electronic devices based on advanced low-dimensional and photonic structures, such as low-threshold polariton lasers, new optical switches, single-photon emitters, photonic band-gap structures, etc. This issue reviews recent achievements in the fundamental understanding of strong light–matter coupling, and follows progress in the development of epitaxial and processing technologies related to wide-gap semiconductors, organic nanostructures, and microcavities, providing the basis for advanced optical studies. Results in emerging fields such as carbon nanotubes, quantum information, and unconventional optical computing are also welcome.

Prof. Dr. Alexey Kavokin
Dr. Helgi Sigurdsson
Guest Editors

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Keywords

quantum light–matter interaction
low-dimensional and photonic structures
polaritonics
optical microcavities
macroscopic quantum phenomena
opto-electronic devices
terahertz technologies

Published Papers (4 papers)

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Research

Open AccessArticle

Tunable Photonic Band Gaps in Two-Dimensional Bravais–Moiré Photonic Crystal Composed of High-Tc Superconductors

Hernán A. Gómez-Urrea

José G. Cardona

Miguel E. Mora-Ramos

and

Carlos A. Duque

Condens. Matter 2023, 8(2), 51; https://doi.org/10.3390/condmat8020051 - 02 Jun 2023

Viewed by 284

Abstract

In this study, we perform a theoretical study of light propagation properties in two-dimensional square photonic crystals (PCs) following Bravais–Moiré (BM) patterns composed of copper oxide high-temperature superconductors (HTSCs). The BM PCs are made of cylindrical cores formed from the combination of two square Bravais lattices. The Moiré pattern forms due to a commensurable rotation of one of these lattices with respect to the other. The dielectric function of the superconducting material is modeled by the two-fluid Gorter–Casimir theory. We report on the corresponding gap, the mapping as a function of the radius of dielectric cores, as well as the dispersion relations of TM modes for BM PCs and for the waveguide system built of defect lines within such a crystal. The BM PCs were composed of copper oxide HTSCs, which exhibit large tunability in terms of temperature. Full article

(This article belongs to the Special Issue Physics of Light-Matter Coupling in Nanostructures)

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Open AccessArticle

Narrowband Filters Designed from Hybrid One-Dimensional Periodic/Quasiperiodic Photonic Crystals with a Single Defect Layer

Waira Murillo-García

Hernán A. Gómez-Urrea

Miguel E. Mora-Ramos

and

Carlos A. Duque

Condens. Matter 2023, 8(2), 50; https://doi.org/10.3390/condmat8020050 - 29 May 2023

Viewed by 440

Abstract

We report the transmission spectra and electric field amplitudes of electromagnetic modes propagating in hybrid periodic/quasiperiodic multilayer photonic structures in one dimension (1D). We consider the case of the combination of biperiodic Bragg mirror and triperiodic Bragg mirrors with quasiregular (FB, Fibonacci) layered components. The corresponding hybrid structure (HB) is formed by concatenating BM(N)-FB(M)-BM(N), where N (M) means the number of periods (sequence order) used for the Bragg mirrors (FB) structure. A single defect layer (D) is considered in the middle of two HBs (HB-D-HB). Optimizing the parameters (the order of sequence, number of Bragg mirror layers, thickness, and the refractive index of D) allows us to obtain narrowband filters. The manipulation of these parameters fixes the number of photonic band gaps as well as the position of transmission peaks. The existence of the selectively localized behavior of some optical modes in the structures is discussed. Full article

(This article belongs to the Special Issue Physics of Light-Matter Coupling in Nanostructures)

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Open AccessArticle

Optical Properties of Magnetic Monopole Excitons

Junhui Cao

and

Alexey Kavokin

Condens. Matter 2023, 8(2), 43; https://doi.org/10.3390/condmat8020043 - 09 May 2023

Viewed by 479

Abstract

Here we consider theoretically an exciton-like dipole formed by a magnetic monopole and a magnetic antimonopole. This type of quasiparticles may be formed in a magnetic counterpart of a one dimensional semiconductor crystal. We use the familiar Lorentz driven damped harmonic oscillator model to find the eigenmodes of magnetic monopole dipoles strongly coupled to light. The proposed model allows predicting optical signatures of magnetic monopole excitons in crystals. Full article

(This article belongs to the Special Issue Physics of Light-Matter Coupling in Nanostructures)

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Open AccessArticle

Features of Light-Matter Coupling in Non-Ideal Lattice of Coupled Microcavities Containing Quantum Dots

Vladimir V. Rumyantsev

Stanislav A. Fedorov

Konstantin V. Gumennyk

and

Alexey Ye. Rybalka

Condens. Matter 2023, 8(2), 41; https://doi.org/10.3390/condmat8020041 - 02 May 2023

Viewed by 506

Abstract

In this paper, within the framework of virtual crystal approximation, the mathematical modeling of the dependence of the density of states of polariton excitations in a 1D photonic crystal—a system of pores (tunnel-coupled microresonators) containing quantum dots—on the concentration of structural defects is [...] Read more.

(This article belongs to the Special Issue Physics of Light-Matter Coupling in Nanostructures)

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