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Direct Electrical Control Of Exciton And Polariton Condensates
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Book Synopsis Direct Electrical Control of Exciton and Polariton Condensates by : Ming Xie
Download or read book Direct Electrical Control of Exciton and Polariton Condensates written by Ming Xie and published by . This book was released on 2017 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excitons are among the most ubiquitous bosonic quasiparticle excitations in solid state systems whose lifetime can be extended such that quasi-thermal equilibrium states can be reached. They have thus been promising subjects for the study of Bose-Einstein condensation (BEC) physics during the last few decades. Indeed, convincing evidence for BEC of excitons and exciton polaritons, which are coupled state of quantum-well excitons and cavity photons, have been reported. In this dissertation, we study the property of two dimensional exciton and exciton-polariton condensates driven by external electric bias and discuss possible electro-optic device applications. In the first chapter, we give a brief introduction to the basic concept of excitons, exciton-polaritons and their condensation, each followed by a short survey of the past and ongoing researches in their respective fields. The second chapter presents our study on the electrically controlled coherent excitonic steady state in two dimensional transition-metal dichalcogenide (TMD) double-layer system. We point out that a pair of electrical contacts with chemical potentials separated by less than the spatially indirect band gap of a 2D double-layer can be used to establish an exciton reservoir with an electrically controlled chemical potential. Equilibration between the exciton fluid and the contacts proceeds via a process involving virtual intermediate states in which an unpaired electron or hole occupies a free carrier state in one of the 2D layers. We relate the equilibration rate between excitons and contacts to the tunneling conductances between the contacts and the individual 2D layers when the contact chemical potentials align with the free-carrier bands. As an initial exploration of how spatially indirect 2D exciton systems can be studied and manipulated electrically, we explain how dc and ac voltage variation can be used to measure thermodynamic properties of the exciton fluid and to characterize the strength of its coupling to the reservoir. In the third chapter, we study the thermo-electric transport properties of excitons. Based on the two-particle tunneling process discussed in previous chapter, we propose a possible realization of a thermo-electric cooling device in which indirect excitons act as the heat carriers. Excitons are injected from the cold side of the device and flow downhill a chemical potential gradient, which is maintained by the bias voltage difference set up between the cold and the hot side, to the hot side where they break into individual electrons and holes exiting to the electrodes. In the fourth chapter, we present a theory of exciton or exciton-polariton supercurrent generation. We describe a mechanism by which an electrical bias voltage applied across a unipolar semiconductor quantum well can drive an exciton or polariton supercurrent. The mechanism depends on the properties of electronic quasiparticles in quantum wells or two-dimensional materials when they are dressed by interactions with the coherent exciton field of an exciton condensate or the coherent exciton and photon fields of a polariton condensate, and on approximate conservation of the sum of the total photon and exciton numbers. We propose experiments that can be performed to realize this new light-matter coupling effect, and discuss possible applications. Assuming the dominant process for electron transfer between conduction and valence bands is by scattering off the condensate, electrical bias voltages can be used to control the condensate. We study the in-plane transport properties of electrical current through the unipolar system, and show how the coherent condensate fields respond to the current flow. The possibility of tailoring light via electrical current and vice versa simultaneously might lead to interesting new applications
Book Synopsis Cavity Polaritons by : Alexey Kavokin
Download or read book Cavity Polaritons written by Alexey Kavokin and published by Elsevier. This book was released on 2003-11-26 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 32 of the series addresses one of the most rapidly developing research fields in physics: microcavities. Microcavities form a base for fabrication of opto-electronic devices of XXI century, in particular polariton lasers based on a new physical principle with respect to conventional lasers proposed by Einstein in 1917. This book overviews a theory of all major phenomena linked microcavities and exciton-polaritons and is oriented to the reader having no background in solid state theory as well as to the advanced readers interested in theory of exciton-polaritons in microcavities. All major experimental discoveries in the field are addressed as well.·The book is oriented to a general reader and is easy to read for a non-specialist.·Contains an overview of the most essential effects in physics of microcavities experimentally observed and theoretically predicted during the recent decade such as:. ·Bose-Einstein condensation at room temperature.·Lasers without inversion of population.·Microcavity boom: optics of the XXI century!·Frequently asked questions on microcavities and responses without formulas. ·Half-light-half-matter quasi-particles: base for the future optoelectronic devices
Book Synopsis 2D Excitonic Materials and Devices by :
Download or read book 2D Excitonic Materials and Devices written by and published by Elsevier. This book was released on 2023-11-23 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconductors and Semimetals series, highlights new advances in the field, with this new volume presenting interesting chapters. Each chapter is written by an international board of authors. - Provides the latest information on cancer research - Offers outstanding and original reviews on a range of cancer research topics - Serves as an indispensable reference for researchers and students alike
Download or read book Microcavities written by Alexey Kavokin and published by OUP Oxford. This book was released on 2011-04-27 with total page 487 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rapid development of microfabrication and assembly of nanostructures has opened up many opportunities to miniaturize structures that confine light, producing unusual and extremely interesting optical properties. This book addresses the large variety of optical phenomena taking place in confined solid state structures: microcavities. Realisations include planar and pillar microcavities, whispering gallery modes, and photonic crystals. The microcavities represent a unique laboratory for quantum optics and photonics. They exhibit a number of beautiful effects including lasing, superfluidity, superradiance, entanglement etc. Written by four practitioners strongly involved in experiments and theories of microcavities, it is addressed to any interested reader having a general physical background, but in particular to undergraduate and graduate students at physics faculties.
Book Synopsis Semiconductor Photonics of Nanomaterials and Quantum Structures by : Arash Rahimi-Iman
Download or read book Semiconductor Photonics of Nanomaterials and Quantum Structures written by Arash Rahimi-Iman and published by Springer Nature. This book was released on 2021-04-23 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces the wider field of functional nanomaterials sciences, with a strong emphasis on semiconductor photonics. Whether you are studying photonic quantum devices or just interested in semiconductor nanomaterials and their benefits for optoelectronic applications, this book offers you a pedagogical overview of the relevant subjects along with topical reviews. The book discusses different yet complementary studies in the context of ongoing international research efforts, delivering examples from both fundamental and applied research to a broad readership. In addition, a hand-full of useful optical techniques for the characterization of semiconductor quantum structures and materials are addressed. Moreover, nanostructuring methods for the production of low-dimensional systems, which exhibit advantageous properties predominantly due to quantum effects, are summarized. Science and engineering professionals in the interdisciplinary domains of nanotechnology, photonics, materials sciences, and quantum physics can familiarize themselves with selected highlights with eyes towards photonic applications in the fields of two-dimensional materials research, light–matter interactions, and quantum technologies.
Book Synopsis Exciton Transport Phenomena in GaAs Coupled Quantum Wells by : Jason Leonard
Download or read book Exciton Transport Phenomena in GaAs Coupled Quantum Wells written by Jason Leonard and published by Springer. This book was released on 2019-06-04 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents results crucial to the emerging field of indirect excitons. These specially designed quasiparticles give the unique opportunity to study fundamental properties of quantum degenerate Bose gases in semiconductors. Furthermore, indirect excitons allow for the creation of novel optoelectronic devices where excitons are used in place of electrons. Excitonic devices are explored for the development of advanced signal processing seamlessly coupled with optical communication. The thesis presents and describes the author's imaging experiments that led to the discovery of spin transport of excitons. The many firsts presented herein include the first studies of an excitonic conveyer, leading to the discovery of the dynamical localization-delocalization transition for excitons, and the first excitonic ramp and excitonic diode with no energy-dissipating voltage gradient.
Book Synopsis Polariton Physics by : Arash Rahimi-Iman
Download or read book Polariton Physics written by Arash Rahimi-Iman and published by Springer Nature. This book was released on 2020-03-05 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers an overview of polariton Bose–Einstein condensation and the emerging field of polaritonics, providing insights into the necessary theoretical basics, technological aspects and experimental studies in this fascinating field of science. Following a summary of theoretical considerations, it guides readers through the rich physics of polariton systems, shedding light on the concept of the polariton laser, polariton microcavities, and the technical realization of optoelectronic devices with polaritonic emissions, before discussing the role of external fields used for the manipulation and control of exciton–polaritons. A glossary provides simplified summaries of the most frequently discussed topics, allowing readers to quickly familiarize themselves with the content. The book pursues an uncomplicated and intuitive approach to the topics covered, while also providing a brief outlook on current and future work. Its straightforward content will make it accessible to a broad readership, ranging from research fellows, lecturers and students to interested science and engineering professionals in the interdisciplinary domains of nanotechnology, photonics, materials sciences and quantum physics.
Book Synopsis Frontiers in Optics and Photonics by : Federico Capasso
Download or read book Frontiers in Optics and Photonics written by Federico Capasso and published by Walter de Gruyter GmbH & Co KG. This book was released on 2021-06-08 with total page 783 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a cutting-edge research overview on the latest developments in the field of Optics and Photonics. All chapters are authored by the pioneers in their field and will cover the developments in Quantum Photonics, Optical properties of 2D Materials, Optical Sensors, Organic Opto-electronics, Nanophotonics, Metamaterials, Plasmonics, Quantum Cascade lasers, LEDs, Biophotonics and biomedical photonics and spectroscopy.
Book Synopsis Two-Dimensional Materials in Nanophotonics by : Yuerui Lu
Download or read book Two-Dimensional Materials in Nanophotonics written by Yuerui Lu and published by CRC Press. This book was released on 2019-10-31 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two-dimensional (2D) materials have attracted tremendous interest since the study of graphene in the early 21st century. With their thickness in the angstrom-to-nanometer range, 2D materials, including graphene, transition metal dichalcogenides, phosphorene, silicene, and other inorganic and organic materials, can be an ideal platform to study fundamental many-body interactions because of reduced screening and can also be further engineered for nanophotonic applications. This book compiles research outcomes of leading groups in the field of 2D materials for nanophotonic physics and devices. It describes research advances of 2D materials for various nanophotonic applications, including ultrafast lasers, atomically thin optical lenses, and gratings to inelastically manipulate light propagation, their integrations with photonic nanostructures, and light–matter interactions. The book focuses on actual applications, while digging into the physics underneath. It targets advanced undergraduate- and graduate-level students of nanotechnology and researchers in nanotechnology, physics, and chemistry, especially those with an interest in 2D materials.
Book Synopsis Polariton Chemistry by : Joel Yuen-Zhou
Download or read book Polariton Chemistry written by Joel Yuen-Zhou and published by . This book was released on 2023-05-09 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a pedagogical introduction to the emerging field of Polariton Chemistry, where optical cavities are utilized to control the physicochemical properties and dynamics of molecular systems. Given the early stages of this interdisciplinary research area, it is important to provide a common language and starting point for interested researchers across Chemistry, Physics, and Engineering This edited compendium fills a void given that there is currently no analogue in the current literature. Topics covered include Single-Molecule Strong Light-Matter Coupling; Collective Strong Light-Matter Coupling; and Ultrastrong Light-Matter Coupling
Download or read book Quantum Gases written by Nick Proukakis and published by World Scientific. This book was released on 2013 with total page 579 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides a broad overview of the principal theoretical techniques applied to non-equilibrium and finite temperature quantum gases. Covering Bose-Einstein condensates, degenerate Fermi gases, and the more recently realised exciton-polariton condensates, it fills a gap by linking between different methods with origins in condensed matter physics, quantum field theory, quantum optics, atomic physics, and statistical mechanics.
Book Synopsis Anisotropic 2D Materials and Devices by : Yuerui Lu
Download or read book Anisotropic 2D Materials and Devices written by Yuerui Lu and published by Royal Society of Chemistry. This book was released on 2022-09-23 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presenting recent progress in anisotropic 2D materials research, reader is introduced to phosphorene and its arsenic alloys, monochalcogenides of group IV elements in the form of MX (M = Ge, Sn and X = S, Se, Te), low-symmetry transition-metal dichalcogenide (TMD) materials such as rhenium disulphide (ReS2) and rhenium diselenide (ReSe2), and organic 2D materials. Providing detailed synthesis protocols and characterization techniques for these various anisotropic 2D materials, readers will learn their specific technological scopes for next generation electronics, optoelectronics and biomedical applications, challenges and future directions. Edited by an leading expert, contributors cover enhanced many-body interactions and high binding energy 1D particle dynamics to showcase design of high-performance optoelectronic devices; anisotropic polariton for designing polariton based laser systems; applications in bio-imaging, cancer diagnosis and therapies, drug delivery and release, and antibacterial performance; and finally, their potential in nano-electro-mechanical devices. Considering all these areas in detail, this book is a useful reference to the scientific communities working in related research fields, especially for materials scientists, chemists, physicists and electronics/electrical/energy engineers. This book may also be of use to those in chemical academia and industry more broadly.
Book Synopsis Exciton Polaritons in Microcavities by : Daniele Sanvitto
Download or read book Exciton Polaritons in Microcavities written by Daniele Sanvitto and published by Springer Science & Business Media. This book was released on 2012-05-01 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the past decade, there has been a burst of new and fascinating physics associated to the unique properties of two-dimensional exciton polaritons, their recent demonstration of condensation under non-equilibrium conditions and all the related quantum phenomena, which have stimulated extensive research work. This monograph summarizes the current state of the art of research on exciton polaritons in microcavities: their interactions, fast dynamics, spin-dependent phenomena, temporal and spatial coherence, condensation under non-equilibrium conditions, related collective quantum phenomena and most advanced applications. The monograph is written by the most active authors who have strongly contributed to the advances in this area. It is of great interests to both physicists approaching this subject for the first time, as well as a wide audience of experts in other disciplines who want to be updated on this fast moving field.
Book Synopsis Nanoscale Semiconductor Lasers by : Cunzhu Tong
Download or read book Nanoscale Semiconductor Lasers written by Cunzhu Tong and published by Elsevier. This book was released on 2019-08-06 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoscale Semiconductor Lasers focuses on specific issues relating to laser nanomaterials and their use in laser technology. The book presents both fundamental theory and a thorough overview of the diverse range of applications that have been developed using laser technology based on novel nanostructures and nanomaterials. Technologies covered include nanocavity lasers, carbon dot lasers, 2D material lasers, plasmonic lasers, spasers, quantum dot lasers, quantum dash and nanowire lasers. Each chapter outlines the fundamentals of the topic and examines material and optical properties set alongside device properties, challenges, issues and trends. Dealing with a scope of materials from organic to carbon nanostructures and nanowires to semiconductor quantum dots, this book will be of interest to graduate students, researchers and scientific professionals in a wide range of fields relating to laser development and semiconductor technologies. - Provides an overview of the active field of nanostructured lasers, illustrating the latest topics and applications - Demonstrates how to connect different classes of material to specific applications - Gives an overview of several approaches to confine and control light emission and amplification using nanostructured materials and nano-scale cavities
Author :Marcin L. Sadowski Publisher :Springer Science & Business Media ISBN 13 :9780792363163 Total Pages :470 pages Book Rating :4.3/5 (631 download)
Book Synopsis Optical Properties of Semiconductor Nanostructures by : Marcin L. Sadowski
Download or read book Optical Properties of Semiconductor Nanostructures written by Marcin L. Sadowski and published by Springer Science & Business Media. This book was released on 2000-06-30 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical methods for investigating semiconductors and the theoretical description of optical processes have always been an important part of semiconductor physics. Only the emphasis placed on different materials changes with time. Here, a large number of papers are devoted to quantum dots, presenting the theory, spectroscopic investigation and methods of producing such structures. Another major part of the book reflects the growing interest in diluted semiconductors and II-IV nanosystems in general. There are also discussions of the fascinating field of photonic crystals. `Classical' low dimensional systems, such as GsAs/GaAlAs quantum wells and heterostructures, still make up a significant part of the results presented, and they also serve as model systems for new phenomena. New materials are being sought, and new experimental techniques are coming on stream, in particular the combination of different spectroscopic modalities.
Book Synopsis Quantum Simulations with Photons and Polaritons by : Dimitris G. Angelakis
Download or read book Quantum Simulations with Photons and Polaritons written by Dimitris G. Angelakis and published by Springer. This book was released on 2017-05-03 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews progress towards quantum simulators based on photonic and hybrid light-matter systems, covering theoretical proposals and recent experimental work. Quantum simulators are specially designed quantum computers. Their main aim is to simulate and understand complex and inaccessible quantum many-body phenomena found or predicted in condensed matter physics, materials science and exotic quantum field theories. Applications will include the engineering of smart materials, robust optical or electronic circuits, deciphering quantum chemistry and even the design of drugs. Technological developments in the fields of interfacing light and matter, especially in many-body quantum optics, have motivated recent proposals for quantum simulators based on strongly correlated photons and polaritons generated in hybrid light-matter systems. The latter have complementary strengths to cold atom and ion based simulators and they can probe for example out of equilibrium phenomena in a natural driven-dissipative setting. This book covers some of the most important works in this area reviewing the proposal for Mott transitions and Luttinger liquid physics with light, to simulating interacting relativistic theories, topological insulators and gauge field physics. The stage of the field now is at a point where on top of the numerous theory proposals; experiments are also reported. Connecting to the theory proposals presented in the chapters, the main experimental quantum technology platforms developed from groups worldwide to realize photonic and polaritonic simulators in the laboratory are also discussed. These include coupled microwave resonator arrays in superconducting circuits, semiconductor based polariton systems, and integrated quantum photonic chips. This is the first book dedicated to photonic approaches to quantum simulation, reviewing the fundamentals for the researcher new to the field, and providing a complete reference for the graduate student starting or already undergoing PhD studies in this area.
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1975 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt:
