Photonics Publications
Publications are the forefront of science. They pave the way for knowledge, progress and prosperity.
In this category we want to provide some remarkable photonics publications. These shall be interesting to our readers, maybe because of their novelty, scientific excellence or instructiveness.
Maybe we dare to even comment on the paper at some point. Nevertheless, the whole credit and praise for the papers is always going entirely to the authors! On our website we simply want to make these great scientific contributions accessible to the interested reader. With permission by the authors - for those who questioned it.
Enjoy your read, may your knowledge flourish!
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Research article by: Surendra B. Anantharaman, Kiyoung Jo, and Deep Jariwala
Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, PA, 19104, USA
Abstract: Semiconductors in all dimensionalities ranging from 0D quantum dots and molecules to 3D bulk crystals support bound electron-hole pair quasiparticles termed as excitons. Over the past two decades, the emergence of a variety of low-dimensional semiconductors that support excitons combined with advances in nano-optics and photonics has burgeoned a new area of research that focuses on engineering, imaging, and modulating coupling between excitons and photons, resulting in the formation of hybrid-quasiparticles termed exciton-polaritons. This new area has the potential to bring about a paradigm shift in quantum optics, as well as classical optoelectronic devices. Here, we present a review on the coupling of light in excitonic semiconductors and investigation of the unique properties of these hybrid quasiparticles via both far-field and near-field imaging and spectroscopy techniques. Special emphasis is laid on recent advances with critical evaluation of the bottlenecks that plague various materials towards practical device implementations including quantum light sources. Our review highlights a growing need for excitonic materials development together with optical engineering and imaging techniques to harness the utility of excitons and their host materials for a variety of applications.
Research article by: Pavel Tonkaev1 and Yuri Kivshar1,2
1ITMO University, 197101, St. Petersburg, Russia,
2Nonlinear Physics Centre, Australian National University, Canberra ACT 2601, Australia
Abstract: Future technologies underpinning high-performance optical communications, ultrafast computations and compact biosensing will rely on densely packed reconfigurable optical circuitry based on nanophotonics. For many years, plasmonics was considered as the only available platform for nanoscale optics, but the recently emerged novel field of Mie resonant metaphotonics provides more practical alternatives for nanoscale optics by employing resonances in high-index dielectric nanoparticles and structures. In this mini-review we highlight some recent trends in the physics of dielectric Mie-resonant nanostructures with high quality factor (Q factor) for efficient spatial and temporal control of light by employing multipolar resonances and the bound states in the continuum. We discuss a few applications of these concepts to nonlinear optics, nanolasers, subwavelength waveguiding, and sensing.
Research article by: Costas J. Papachristou
Department of Physical Sciences, Hellenic Naval Academy
Abstract. In the initial stages of its development, atomic theory had to bypass the laws of classical electromagnetism in an ad hoc manner in order to explain the stability of atoms. In quantum mechanics, however, the classical theory may find again some room even for a microscopic structure such as the atom. Provided, of course, that certain classical concepts are reexamined and suitably reinterpreted...