Plasmonic Control Of Light Emission

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Plasmonic Control Of Light Emission

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Author : Young Chul Jun
language : en
Publisher: Stanford University
Release Date : 2010

Plasmonic Control Of Light Emission written by Young Chul Jun and has been published by Stanford University this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.

Enhanced light-matter interactions in light-confining structures (such as optical cavities) have been extensively investigated for both fundamental studies and practical applications. Plasmonic nanostructures, which can confine and manipulate light down to ~1 nm scale, are becoming increasingly important. Many areas of optical physics and devices can benefit from such extreme light concentration and manipulation. For example, fluorescent molecule or quantum dot (QD) emission can be strongly modified and controlled via surface plasmon polariton (SPP) coupling. In this dissertation, we present our theoretical and experimental studies on QD emission in metal nanogap structures that can provide extreme field concentration, enhancing light-matter interactions significantly. We start with a theoretical analysis of dipole emission in metal-dielectric-metal (MDM) waveguide structures. We look at both infinite (i.e. planar) and finite thickness MDM structures. We find that both structures exhibit strong spontaneous emission enhancements due to the tight confinement of modes between two metallic plates and that light emission is dominated by gap SPP coupling. For planar structures we present analytical solutions for the enhanced dipole decay rate, while for finite thickness MDM structures (i.e. nanoslits) we present results from numerical simulations. Next, we present our experiments on the SPP coupling of CdSe/ZnS QD emission in metal nanoslits. First, we observed clear lifetime and polarization state changes of QD emission with slit width due to gap SPP excitation. Second, with optimized side grooves (i.e. combined slit-groove and hole-groove structures), we collimated QD emission vertically into a very narrow angle, achieving an unprecedented level of directionality control, and visualized it with confocal scanning microscopy. Third, by using two metal plates as electrodes, we dynamically modulated the QD emission intensity and wavelength with external voltage. Finally, we extend our dipole emission calculation to several slot waveguide structures. We consider light emission in metal slots, metal-oxide-Si slots, and Si slot waveguides. We find that large spontaneous emission enhancements can be obtained over a broad range of wavelengths and that light emission is strongly funneled into slot waveguide modes. These represent broadband waveguide QED (quantum electro-dynamics) systems, which have unique merits for on-chip light sources and quantum information processing. These theoretical and experimental studies show that the SPP coupling of light emission is a very promising way to control light emission properties and may find broad application in spectroscopy, sensing, optoelectronics, and integrated optics.

Plasmonic Control Of Light Emission

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Author : Young Chul Jun
language : en
Publisher:
Release Date : 2010

Plasmonic Control Of Light Emission written by Young Chul Jun and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.

Enhanced light-matter interactions in light-confining structures (such as optical cavities) have been extensively investigated for both fundamental studies and practical applications. Plasmonic nanostructures, which can confine and manipulate light down to ~1 nm scale, are becoming increasingly important. Many areas of optical physics and devices can benefit from such extreme light concentration and manipulation. For example, fluorescent molecule or quantum dot (QD) emission can be strongly modified and controlled via surface plasmon polariton (SPP) coupling. In this dissertation, we present our theoretical and experimental studies on QD emission in metal nanogap structures that can provide extreme field concentration, enhancing light-matter interactions significantly. We start with a theoretical analysis of dipole emission in metal-dielectric-metal (MDM) waveguide structures. We look at both infinite (i.e. planar) and finite thickness MDM structures. We find that both structures exhibit strong spontaneous emission enhancements due to the tight confinement of modes between two metallic plates and that light emission is dominated by gap SPP coupling. For planar structures we present analytical solutions for the enhanced dipole decay rate, while for finite thickness MDM structures (i.e. nanoslits) we present results from numerical simulations. Next, we present our experiments on the SPP coupling of CdSe/ZnS QD emission in metal nanoslits. First, we observed clear lifetime and polarization state changes of QD emission with slit width due to gap SPP excitation. Second, with optimized side grooves (i.e. combined slit-groove and hole-groove structures), we collimated QD emission vertically into a very narrow angle, achieving an unprecedented level of directionality control, and visualized it with confocal scanning microscopy. Third, by using two metal plates as electrodes, we dynamically modulated the QD emission intensity and wavelength with external voltage. Finally, we extend our dipole emission calculation to several slot waveguide structures. We consider light emission in metal slots, metal-oxide-Si slots, and Si slot waveguides. We find that large spontaneous emission enhancements can be obtained over a broad range of wavelengths and that light emission is strongly funneled into slot waveguide modes. These represent broadband waveguide QED (quantum electro-dynamics) systems, which have unique merits for on-chip light sources and quantum information processing. These theoretical and experimental studies show that the SPP coupling of light emission is a very promising way to control light emission properties and may find broad application in spectroscopy, sensing, optoelectronics, and integrated optics.

Plasmon Coupling Physics

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Author : Martin Hÿtch
language : en
Publisher: Academic Press
Release Date : 2022-06-16

Plasmon Coupling Physics written by Martin Hÿtch and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-06-16 with Technology & Engineering categories.

Plasmon Coupling Physics, Wave Effects and their Study by Electron Spectroscopies, Volume 222 in the Advances in Imaging and Electron Physics serial, merges two long-running serials, Advances in Electronics and Electron Physics and Advances in Optical and Electron Microscopy. The series features articles on the physics of electron devices (especially semiconductor devices), particle optics at high and low energies, microlithography, image science, digital image processing, electromagnetic wave propagation, electron microscopy and the computing methods used in all these domains. Specific chapters in this release cover Phase retrieval methods applied to coherent imaging, X-ray phase-contrast imaging: a broad overview of some fundamentals, Graphene and borophene as nanoscopic materials for electronics – with review of the physics, and more. - Provides the authority and expertise of leading contributors from an international board of authors - Presents the latest release in the Advances in Imaging and Electron Physics series - Updated release includes the latest information on the Plasmon Coupling Physics, Wave Effects and their Study by Electron Spectroscopies

Studies On The Plasmon Induced Photoexcitation Processes Of Molecules On Metal Surfaces

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Author : Fumika Nagasawa
language : en
Publisher: Springer
Release Date : 2017-08-10

Studies On The Plasmon Induced Photoexcitation Processes Of Molecules On Metal Surfaces written by Fumika Nagasawa and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-10 with Science categories.

This thesis proposes a novel way to catch light energy using an ultrasmall nanostructure. The author has developed photon-materials systems to open the way for novel photoexcitation processes based on the findings obtained from in-situ observation of the systems in which localized surface plasmon (LSP) and molecules interact strongly. The highly ordered metal nanostructure provided the opportunity for anisotropic photoexcitation of materials in an eccentric way. The optimization of the systems via nanostructuring and electrochemical potential control resulted in the novel excitation process using LSP to realize the additional transition for photoexcitation. Furthermore, excited electronic states formed the strong coupling between LSP and excitons of molecules. This thesis will provide readers with an idea for achieving very effective processes for photon absorption, scattering, and emission beyond the present limits of photodevices.

Surface Plasmon Nanophotonics

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Author : Mark L. Brongersma
language : en
Publisher: Springer
Release Date : 2007-09-18

Surface Plasmon Nanophotonics written by Mark L. Brongersma and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-09-18 with Science categories.

This book discusses a new class of photonic devices, known as surface plasmon nanophotonic structures. The book highlights several exciting new discoveries, while providing a clear discussion of the underlying physics, the nanofabrication issues, and the materials considerations involved in designing plasmonic devices with new functionality. Chapters written by the leaders in the field of plasmonics provide a solid background to each topic.

Two Dimensional Materials In Nanophotonics

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Author : Yuerui Lu
language : en
Publisher: CRC Press
Release Date : 2019-10-31

Two Dimensional Materials In Nanophotonics written by Yuerui Lu and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-31 with Science categories.

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.

Surface Plasmon Enhanced Coupled And Controlled Fluorescence

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Author : Chris D. Geddes
language : en
Publisher: John Wiley & Sons
Release Date : 2017-04-10

Surface Plasmon Enhanced Coupled And Controlled Fluorescence written by Chris D. Geddes and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-04-10 with Science categories.

Explains the principles and current thinking behind plasmon enhanced Fluorescence Describes the current developments in Surface Plasmon Enhanced, Coupled and Controlled Fluorescence Details methods used to understand solar energy conversion, detect and quantify DNA more quickly and accurately, and enhance the timeliness and accuracy of digital immunoassays Contains contributions by the world’s leading scientists in the area of fluorescence and plasmonics Describes detailed experimental procedures for developing both surfaces and nanoparticles for applications in metal-enhanced fluorescence

Plasmonic Sensors And Their Applications

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Author : Adil Denizli
language : en
Publisher: John Wiley & Sons
Release Date : 2021-07-30

Plasmonic Sensors And Their Applications written by Adil Denizli and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-07-30 with Science categories.

Plasmonic Sensors and their Applications A practically-focused reference and guide on the use of plasmonic sensing as a faster and cheaper alternative to conventional sensing platforms Plasmons, the collective oscillations of electrons occurring at the interface between any two materials, are sensitive to changes in dielectric properties near metal surfaces. Plasmonic sensors enable the real-time study of unique surface properties by monitoring the effect of the material interaction at the sensor surface. Plasmonic sensing techniques offer fast, label-free analysis, and hold advantages over labelling techniques such as ELISA (enzyme-linked immunosorbent assay). Plasmonic Sensors and their Applications examines the development and use of highly sensitive and selective plasmonic sensing platforms in chemistry, biotechnology, and medicine. Contributions by an international panel of experts provide timely and in-depth coverage of both real-world applications and academic research in the dynamic field. The authors describe advances in nanotechnology, polymer chemistry, and biomedicine, explore new and emerging applications of plasmonic sensing, discuss future trends and potential research directions, and more. This authoritative volume: Demonstrates why plasmonic sensing is a profitable method for easy and label-free analysis in real-time Covers a variety of applications of plasmonic sensors, such as disease diagnostics, vitamin detection, and detection of chemical and biological warfare agents Includes a brief introduction to the history and development of plasmonic sensors Provides concise theory and background for every application covered in the text Plasmonic Sensors and their Applications is an invaluable resource for analytical chemists, biochemists, biotechnologists, protein and surface chemists, and advanced students of biotechnology.

Introduction To Flat Panel Displays

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Author : Jiun-Haw Lee
language : en
Publisher: John Wiley & Sons
Release Date : 2020-06-10

Introduction To Flat Panel Displays written by Jiun-Haw Lee and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-10 with Technology & Engineering categories.

THE PERFECT GUIDE TO FLAT PANEL DISPLAYS FOR RESEARCHERS AND INDUSTRY PERSONNEL ALIKE Introduction to Flat Panel Displays, 2nd Edition is the leading introductory reference to state-of-the-art flat panel display technologies. The 2nd edition has been newly updated to include the latest developments for high pixel resolution support, high brightness, improved contrast settings, and low power consumption. The 2nd edition has also been updated to include the latest developments of head-mounted displays for virtual and augmented reality applications. Introduction to Flat Panel Displays introduces and updates both the fundamental physics and materials concepts underlying flat panel display technology and their application to smart phones, ultra-high definitions TVs, computers, and virtual and augmented reality systems. The book includes new information on quantum-dot enhanced LCDs, device configurations and performance, and nitrate-based LEDs. The authors also provide updates on technologies like: OLED materials, including phosphorescent, TTA, and TADF OLEDs White light OLED and light extraction OLED for mobile and TV Light and flexible OLED Reflective displays, including e-paper technology Low power consumption displays The perfect reference for graduate students and new entrants to the display industry, Introduction to Flat Panel Displays offers problem and homework sets at the end of each chapter to measure retention and learning.

Spherical Nucleic Acids

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Author : Chad A. Mirkin
language : en
Publisher: CRC Press
Release Date : 2021-10-14

Spherical Nucleic Acids written by Chad A. Mirkin and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-10-14 with Science categories.

Spherical nucleic acids (SNAs) comprise a nanoparticle core, and a densely packed and highly oriented nucleic acid shell. They have novel structure-dependent properties that differ from those of linear nucleic acids and that makes them useful in chemistry, biology, the life sciences, medicine, materials science, and engineering. This book is a reprint volume that compiles 101 key papers that have been published by the Mirkin Group at Northwestern University, USA, and their collaborators over the past more than two decades. Volume 1 provides an overview and a historical framework of SNAs and discusses their enabling features, which set them apart from all other forms of matter. Volume 2 covers the general design rules for colloidal crystal engineering with DNA, spanning the building blocks and DNA- and RNA-based "programmable bonds" that can be utilized in preparing such structures. Volume 3 continues the discussion of colloidal crystallization processes and routes to hierarchical assembly, featuring dynamic nanoparticle superlattices and lattices prepared on surfaces or via templating strategies, and explores what one can uniquely learn from and do with colloidal crystals prepared from nucleic acid–functionalized nanomaterials in optics, plasmonics, and catalysis. Volume 4 covers the role of SNAs in biomedicine, especially as diagnostic probes both inside and outside of cells, and treatments based on gene regulation and immunotherapy.