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Nanomaterials
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Nanomaterials for Quantum Photonics and Quantum Photonics for Nanomaterials
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Nanomaterials for Quantum Photonics and Quantum Photonics for Nanomaterials

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanophotonics Materials and Devices".

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 3752

Special Issue Editor

Dr. Benjamin J. Lawrie

E-Mail Website
Guest Editor
Oak Ridge National Laboratory, Oak Ridge, TN, USA
Interests: quantum sensing; quantum photonics; quantum devices; light-matter interactions

Special Issue Information

Dear Colleagues,

Over the past several years, quantum optical sensors have emerged as practical tools for the characterization of nanomaterials. Sensors that leverage squeezed and entangled optical fields offer the potential to probe material properties with classically inaccessible sensitivity. Near-field interactions between quantum optical resources and nanophotonic media may also enable new means of quantum information processing.

Conversely, a growing variety of defects in nanomaterials are emerging as quantum light sources that may enable new quantum sensing and networking applications. Indeed, optically accessible spin-based quantum sensors are now used for high-sensitivity quantitative imaging of temperature and magnetic and electric fields in fields from condensed matter physics and biology to high energy physics and cosmology.

This Special Issue of Nanomaterials aims to bring together research efforts that use quantum optical resources to probe nanomaterials with those that use nanomaterials as quantum resources. We invite authors to contribute original research articles and review articles with the aim of giving a balanced view of the current state of the art and perspectives on the path forward for research in quantum nanophotonics.

Dr. Benjamin J. Lawrie
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Nanomaterials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2900 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

  • quantum nanophotonics
  • quantum light sources
  • quantum sensors
  • single photon emitters
  • spin defects

Published Papers (2 papers)

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Research

18 pages, 3392 KiB  
Article
Optical Properties of Concentric Nanorings of Quantum Emitters
by Verena Scheil, Raphael Holzinger, Maria Moreno-Cardoner and Helmut Ritsch
Nanomaterials 2023, 13(5), 851; https://doi.org/10.3390/nano13050851 - 24 Feb 2023
Cited by 1 | Viewed by 1485
Abstract
A ring of sub-wavelength spaced dipole-coupled quantum emitters features extraordinary optical properties when compared to a one-dimensional chain or a random collection of emitters. One finds the emergence of extremely subradiant collective eigenmodes similar to an optical resonator, which features strong 3D sub-wavelength [...] Read more.
A ring of sub-wavelength spaced dipole-coupled quantum emitters features extraordinary optical properties when compared to a one-dimensional chain or a random collection of emitters. One finds the emergence of extremely subradiant collective eigenmodes similar to an optical resonator, which features strong 3D sub-wavelength field confinement near the ring. Motivated by structures commonly appearing in natural light-harvesting complexes (LHCs), we extend these studies to stacked multi-ring geometries. We predict that using double rings allows us to engineer significantly darker and better confined collective excitations over a broader energy band compared to the single-ring case. These enhance weak field absorption and low-loss excitation energy transport. For the specific geometry of the three rings appearing in the natural LH2 light-harvesting antenna, we show that the coupling between the lower double-ring structure and the higher energy blue-shifted single ring is very close to a critical value for the actual size of the molecule. This creates collective excitations with contributions from all three rings, which is a vital ingredient for efficient and fast coherent inter-ring transport. This geometry thus should also prove useful for the design of sub-wavelength weak field antennae. Full article
(This article belongs to the Special Issue Nanomaterials for Quantum Photonics and Quantum Photonics for Nanomaterials)
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11 pages, 2803 KiB  
Article
Quantum Dot Photoluminescence Enhancement in GaAs Nanopillar Oligomers Driven by Collective Magnetic Modes
by Maria K. Kroychuk, Alexander S. Shorokhov, Damir F. Yagudin, Maxim V. Rakhlin, Grigorii V. Klimko, Alexey A. Toropov, Tatiana V. Shubina and Andrey A. Fedyanin
Nanomaterials 2023, 13(3), 507; https://doi.org/10.3390/nano13030507 - 27 Jan 2023
Cited by 3 | Viewed by 1760
Abstract
Single photon sources based on semiconductor quantum dots are one of the most prospective elements for optical quantum computing and cryptography. Such systems are often based on Bragg resonators, which provide several ways to control the emission of quantum dots. However, the fabrication [...] Read more.
Single photon sources based on semiconductor quantum dots are one of the most prospective elements for optical quantum computing and cryptography. Such systems are often based on Bragg resonators, which provide several ways to control the emission of quantum dots. However, the fabrication of periodic structures with many thin layers is difficult. On the other hand, the coupling of single-photon sources with resonant nanoclusters made of high-index dielectric materials is known as a promising way for emission control. Our experiments and calculations show that the excitation of magnetic Mie-type resonance by linearly polarized light in a GaAs nanopillar oligomer with embedded InAs quantum dots leads to quantum emitters absorption efficiency enhancement. Moreover, the nanoresonator at the wavelength of magnetic dipole resonance also acts as a nanoantenna for a generated signal, allowing control over its radiation spatial profile. We experimentally demonstrated an order of magnitude emission enhancement and numerically reached forty times gain in comparison with unstructured film. These findings highlight the potential of quantum dots coupling with Mie-resonant oligomers collective modes for nanoscale single-photon sources development. Full article
(This article belongs to the Special Issue Nanomaterials for Quantum Photonics and Quantum Photonics for Nanomaterials)
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