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Nanophotonics
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Nanophotonics

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Nanotechnology and Applied Nanosciences".

Deadline for manuscript submissions: closed (15 March 2018) | Viewed by 23864

Special Issue Editors

Dr. Zaiquan Xu

E-Mail Website
Guest Editor
School of Mathematical and Physical Sciences, University of Technology Sydney, Ultimo, NSW 2007, Australia
Interests: 2D materials; opto-electronics devices; nanofabrications
Prof. Dr. Igor Aharonovich

E-Mail Website
Guest Editor
School of Mathematical and Physical Sciences, University of Technology Sydney, Ultimo, NSW 2007, Australia
Interests: 2D materials; diamond; single emitters; nanophotonics; hexagonal boron nitride; optical cavities

Special Issue Information

Dear Colleagues,

In future information processing applications, integrating light sources on-chip with other photonic devices, including photonic cavities, waveguides, resonator and detectors, is required. To realize nanophotonics systems, efforts need to be devoted to inventing miniaturized opto-electronics devices, based on 2D robust materials, designs of novel photon manipulation strategy, and to explore the possibility of detection technology. Quantum light sources in 2D materials are promising candidates for studies of light–matter interactions and next-generation applications in integrated on-chip quantum nanophotonics. Recently, advances in novel resonators also promote the development of integrated photonic systems.

This Special Issue is expected to address potential strategies towards the choice of the single photon sources and the development of all the required optical elements in the on-chip system.

Dr. Igor Aharonovich
Dr. Zaiquan Xu
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Optoelectronics

  • Metamaterials

  • Plasmonics

  • 2D materials

  • Waveguides/Photonic crystals

  • Nanofabrications

  • Light-matt interaction

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Published Papers (2 papers)

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Research

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11008 KiB  
Article
The New Concept of Nano-Device Spectroscopy Based on Rabi–Bloch Oscillations for THz-Frequency Range
by Ilay Levie and Gregory Slepyan
Appl. Sci. 2017, 7(7), 721; https://doi.org/10.3390/app7070721 - 14 Jul 2017
Cited by 3 | Viewed by 4193
Abstract
We considered one-dimensional quantum chains of two-level Fermi particles coupled via the tunneling driven both by ac and dc fields in the regimes of strong and ultrastrong coupling. The frequency of ac field is matched with the frequency of the quantum transition. Based [...] Read more.
We considered one-dimensional quantum chains of two-level Fermi particles coupled via the tunneling driven both by ac and dc fields in the regimes of strong and ultrastrong coupling. The frequency of ac field is matched with the frequency of the quantum transition. Based on the fundamental principles of electrodynamics and quantum theory, we developed a general model of quantum dynamics for such interactions. We showed that the joint action of ac and dc fields leads to the strong mutual influence of Rabi- and Bloch oscillations, one to another. We focused on the regime of ultrastrong coupling, for which Bloch- and Rabi-frequencies are significant values of the frequency of interband transition. The Hamiltonian was solved numerically, with account of anti-resonant terms. It manifests by the appearance of a great number of narrow high-amplitude resonant lines in the spectra of tunneling current and dipole moment. We proposed the new concept of terahertz (THz) spectroscopy, which is promising for different applications in future nanoelectronics and nano-photonics. Full article
(This article belongs to the Special Issue Nanophotonics)
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Review

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22 pages, 5376 KiB  
Review
Light Scattering by a Dielectric Sphere: Perspectives on the Mie Resonances
by Dimitrios Tzarouchis and Ari Sihvola
Appl. Sci. 2018, 8(2), 184; https://doi.org/10.3390/app8020184 - 26 Jan 2018
Cited by 139 | Viewed by 18524
Abstract
Light scattering by a small spherical particle, a central topic for electromagnetic scattering theory, is here considered. In this short review, some of the basic features of its resonant scattering behavior are covered. First, a general physical picture is described by a full [...] Read more.
Light scattering by a small spherical particle, a central topic for electromagnetic scattering theory, is here considered. In this short review, some of the basic features of its resonant scattering behavior are covered. First, a general physical picture is described by a full electrodynamic perspective, the Lorenz–Mie theory. The resonant spectrum of a dielectric sphere reveals the existence of two distinctive types of polarization enhancement: the plasmonic and the dielectric resonances. The corresponding electrostatic (Rayleigh) picture is analyzed and the polarizability of a homogeneous spherical inclusion is extracted. This description facilitates the identification of the first type of resonance, i.e., the localized surface plasmon (plasmonic) resonance, as a function of the permittivity. Moreover, the electrostatic picture is linked with the plasmon hybridization model through the case of a step-inhomogeneous structure, i.e., a core–shell sphere. The connections between the electrostatic and electrodynamic models are reviewed in the small size limit and details on size-induced aspects, such as the dynamic depolarization and the radiation reaction on a small sphere are exposed through the newly introduced Mie–Padé approximative perspective. The applicability of this approximation is further expanded including the second type of resonances, i.e., the dielectric resonances. For this type of resonances, the Mie–Padé approximation reveals the main character of the two different cases of resonances of either magnetic or electric origin. A unified picture is therefore described encompassing both plasmonic and dielectric resonances, and the resonant conditions of all three different types are extracted as functions of the permittivity and the size of the sphere. Lastly, the directional scattering behavior of the first two dielectric resonances is exposed in a simple manner, namely the Kerker conditions for maximum forward and backscattering between the first magnetic and electric dipole contributions of a dielectric sphere. The presented results address several prominent functional features, aiming at readers with either theoretical or applied interest for the scattering aspects of a resonant sphere. Full article
(This article belongs to the Special Issue Nanophotonics)
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