Optical Antennas.

Optical Antennas.

A consistent and systematic review of recent advances in optical antenna theory and practice, written by leading experts.

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Bibliographic Details
Main Author: Agio, Mario
Other Authors: Alù, Andrea
Format: eBook
Language:English
Published: Cambridge : Cambridge University Press, 2012.
Subjects:
Optical antennas.
Nanophotonics.
TECHNOLOGY & ENGINEERING > Electronics > Optoelectronics.
TECHNOLOGY & ENGINEERING > Mechanical.
Nanophotonics
Optical antennas
Online Access:Click for online access
Table of Contents:
  • Cover; Title; Copyright; Dedication; Contents; Preface; Contributors; Notation; Part I FUNDAMENTALS; 1 From near-field optics to optical antennas; 1.1 The near-field; 1.2 Energies and photons; 1.3 Foundations of near-field optical microscopy; 1.4 Scanning near-field optical microscopy; 1.5 Problems of near-field optical microscopy; 1.6 From near-field optical microscopy to optical antennas; 1.7 Optical antennas; 1.8 Conclusions and outlook; 2 Optical antenna theory, design and applications; 2.1 Introduction; 2.2 Nanoantennas and optical nanocircuits; 2.2.1 Optical nanocircuit theory.
  • 2.2.2 Nanoantennas as optical lumped elements2.2.3 Other quantities of interest for optical antenna operation; 2.3 Loading, tuning and matching optical antennas; 2.3.1 Loading, impedance matching and optical wireless links; 2.3.2 Optimizing bandwidth and sensitivity with nanoloads; 2.3.3 Optical nonlinearities as variable nanoloads; 2.4 Conclusions and outlook; Acknowledgments; 3 Impedance of a nanoantenna; 3.1 Introduction; 3.2 Impedance of a nanoantenna; 3.2.1 Definition; 3.2.2 A vacuum; 3.2.3 A microcavity; 3.2.4 A dipolar nanoantenna; 3.2.5 Comparison of a microcavity and a nanoantenna.
  • 3.2.6 Ohmic and radiative losses3.3 Impedance of a quantum emitter; 3.3.1 A two-level system; 3.3.2 Impedance and multiple scattering; 3.4 Applications; 3.4.1 Weak coupling and strong coupling; General case: equivalent circuit and eigenfrequencies; Weak coupling regime; Strong coupling regime; 3.4.2 Conjugate impedance matching condition; 3.4.3 Maximum absorption by a metallic nanoparticle; 3.4.4 Fluorescence enhancement by metallic nanoparticles; 3.5 Conclusions; 4 Where high-frequency engineering advances optics. Active nanoparticles as nanoantennas; 4.1 Introduction.
  • 4.2 Coated nanoparticles as active nanoantennas4.2.1 Configuration; 4.2.2 Theory; 4.2.3 Coated-nanoparticle materials and gain models; 4.3 Results and discussion; 4.3.1 Far-field results; 4.3.2 Near-field results; 4.3.3 Influence of the dipole location; 4.3.4 Additional effects
  • transparency; 4.3.5 Additional coated-nanoparticle cases; 4.4 Open coated nanocylinders as active nanoantennas; 4.4.1 Nanoparticle model; 4.4.2 Results and discussion; 4.5 Conclusions; 5 Optical antennas for field-enhanced spectroscopy; 5.1 Introduction; 5.1.1 Field enhancement; 5.1.2 Spectral response; 5.1.3 Shape.
  • 5.1.4 Basic ingredients to increase the fieldAspect ratio; Sharpness; Coupling; 5.2 Surface-enhanced Raman scattering; 5.3 Surface-enhanced infrared absorption; 5.4 Metal-enhanced fluorescence; 5.5 Quantum effects in nanoantennas; 6 Directionality, polarization and enhancement by optical antennas; 6.1 Introduction; 6.1.1 Optical antennas; Definition; Optical antennas as cavities; 6.1.2 Interaction with single emitters; Excitation, emission and dissipation rates; 6.1.3 Resonant coupling of antenna and emitter; 6.2 Local excitation by optical antennas; 6.2.1 Single emitters as near-field probes.

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