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Excitons in Organic-Based Nanostructures

Vladimir M. Agranovich

in Excitations in Organic Solids

Published in print:
2008
Published Online:
January 2009
ISBN:
9780199234417
eISBN:
9780191715426
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199234417.003.0013
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter discusses the excitons in organic-based nanostructures. In particular, two-dimensional Frenkel-Wannier-Mott (FWM) excitons in hybrid organic-inorganic nanostructures (quantum wells, ... More


Problems of Condensed Matter Physics: Quantum coherence phenomena in electron-hole and coupled matter-light systems

Alexei L. Ivanov and Sergei G. Tikhodeev (eds)

Published in print:
2007
Published Online:
May 2008
ISBN:
9780199238873
eISBN:
9780191716652
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199238873.001.0001
Subject:
Physics, Condensed Matter Physics / Materials

The book, which is dedicated to Prof. Leonid V. Keldysh on his 75th anniversary, is a collection of review papers written by experts in condensed matter physics such as V. M. Agranovich, B. L. ... More


Low dimensional structures

John Orton

in The Story of Semiconductors

Published in print:
2008
Published Online:
January 2010
ISBN:
9780199559107
eISBN:
9780191712975
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199559107.003.0006
Subject:
Physics, Crystallography: Physics

During the 1970s, III-V compounds and epitaxial crystal growth provided the basis for low dimensional structures (or nanostructures). The best known example is a GaAs quantum well within AlGaAs ... More


Long-wavelength emitters on GaAs

Victor M. Ustinov, Alexey E. Zhukov, Anton Yu. Egorov, and Nikolai A. Maleev

in Quantum Dot Lasers

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198526797
eISBN:
9780191712081
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198526797.003.0006
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter is devoted to laser structures on GaAs substrates, which are capable of operating near the 1.3-um spectral window. Firstly, motivation for long-wavelength emitters on GaAs is discussed ... More


12 Electronic structure and luminescence of low-dimensional semiconductors

Ivan Pelant and Jan Valenta

in Luminescence Spectroscopy of Semiconductors

Published in print:
2012
Published Online:
May 2012
ISBN:
9780199588336
eISBN:
9780191738548
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199588336.003.0012
Subject:
Physics, Atomic, Laser, and Optical Physics

Unlike all of the previous chapters, this one is devoted to low-dimensional semiconductor structures (quantum wells, quantum wires and quantum dots-nanocrystals). Basic classification of these ... More


SEMICLASSICAL DESCRIPTION OF LIGHT–MATTER COUPLING

Alexey V. Kavokin and Jeremy J. Baumberg

in Microcavities

Published in print:
2007
Published Online:
May 2008
ISBN:
9780199228942
eISBN:
9780191711190
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199228942.003.0004
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter starts from the Lorentz oscillator model then discusses the optical transitions in semiconductors. After an introduction of Wannier-Mott and Frenkel excitons, the Hopfield equations are ... More


14 Stimulated emission and lasing in low-dimensional structures

Ivan Pelant and Jan Valenta

in Luminescence Spectroscopy of Semiconductors

Published in print:
2012
Published Online:
May 2012
ISBN:
9780199588336
eISBN:
9780191738548
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199588336.003.0014
Subject:
Physics, Atomic, Laser, and Optical Physics

Stimulated emission and lasing can be achieved easily in a number of semiconductor nanostructures. This chapter gives an overview of a series of physical mechanisms that were found experimentally to ... More


Quantum Confined Laser Devices: Optical gain and recombination in semiconductors

Peter Blood

Published in print:
2015
Published Online:
November 2015
ISBN:
9780199644513
eISBN:
9780191810329
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199644513.001.0001
Subject:
Physics, Atomic, Laser, and Optical Physics

This book looks at the fundamental optical gain and carrier recombination processes in quantum wells and quantum dots, via descriptions of common device structures to an understanding of their ... More


COLLECTIVE STATE OF INTERWELL EXCITONS IN DOUBLE QUANTUM WELL HETEROSTRUCTURES

V. B. Timofeev

in Problems of Condensed Matter Physics: Quantum coherence phenomena in electron-hole and coupled matter-light systems

Published in print:
2007
Published Online:
May 2008
ISBN:
9780199238873
eISBN:
9780191716652
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199238873.003.0017
Subject:
Physics, Condensed Matter Physics / Materials

This chapter reviews attempts to realize Bose-Einstein condensation of excitons in bulk semiconductors and semiconductor nanostructures, emphasizing on indirect (interwell) excitons in GaAs/AlGaAs ... More


PHENOMENA IN COLD EXCITON GASES: FROM THEORY TO EXPERIMENTS

L. V. Butov

in Problems of Condensed Matter Physics: Quantum coherence phenomena in electron-hole and coupled matter-light systems

Published in print:
2007
Published Online:
May 2008
ISBN:
9780199238873
eISBN:
9780191716652
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199238873.003.0007
Subject:
Physics, Condensed Matter Physics / Materials

This chapter reviews recent achievements in the experimental realization of a cold but still dense gas of long-lived indirect excitons in GaAs-based coupled quantum well structures. The unusual ... More


Low-Dimensional Structures

John Orton and Tom Foxon

in Molecular Beam Epitaxy: A Short History

Published in print:
2015
Published Online:
August 2015
ISBN:
9780199695829
eISBN:
9780191748844
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199695829.003.0006
Subject:
Physics, History of Physics

Low-dimensional structures consisting of semiconductor heterostructures of thickness down to a very few atomic monolayers were grown ideally by MBE and resulted in a surge of interest in MBE itself. ... More


Optical processes in quantum wells

P. K. Basu

in Theory of Optical Processes in Semiconductors: Bulk and Microstructures

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198526209
eISBN:
9780191706790
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198526209.003.0012
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter examines the basic excitonic interband transitions in a rectangular quantum well (QW) and similar structures. Topics covered include rectangular type I quantum wells, absorption in ... More


Optical Devices

John Orton and Tom Foxon

in Molecular Beam Epitaxy: A Short History

Published in print:
2015
Published Online:
August 2015
ISBN:
9780199695829
eISBN:
9780191748844
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199695829.003.0010
Subject:
Physics, History of Physics

Optical devices grown by MBE include semiconductor lasers, vertical cavity and quantum cascade lasers, photodetectors and solar cells. The GaAs laser is covered in detail, followed by that of quantum ... More


Material aspects of heterostructures, doping, surfaces, and gating

Thomas Ihn

in Semiconductor Nanostructures: Quantum states and electronic transport

Published in print:
2009
Published Online:
February 2010
ISBN:
9780199534425
eISBN:
9780191715297
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199534425.003.0005
Subject:
Physics, Condensed Matter Physics / Materials

This chapter discusses heterostructures made of semiconducting materials and their band structures as a realization of band engineering in semiconductors. It introduces the basics of doping and ... More


Metal–Insulator Transitions in Two-dimensional Electron Systems

S.V. Kravchenko

in Conductor-Insulator Quantum Phase Transitions

Published in print:
2012
Published Online:
September 2012
ISBN:
9780199592593
eISBN:
9780191741050
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199592593.003.0002
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter presents a summary of the experimental results on large r s 2D electron and hole gases (2DEGs and 2DHGs) in clean semiconductor devices. In particular, it focuses ... More


Superlattice and Quantum-Well Band Structure

Vurgaftman Igor

in Bands and Photons in III-V Semiconductor Quantum Structures

Published in print:
2020
Published Online:
January 2021
ISBN:
9780198767275
eISBN:
9780191821431
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198767275.003.0010
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter presents typical band structures for superlattices and quantum wells computed using the methods described in Chapter 9. It identifies important features of the conduction and valence ... More


Excitons and impurities in quantum wells

P. K. Basu

in Theory of Optical Processes in Semiconductors: Bulk and Microstructures

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198526209
eISBN:
9780191706790
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198526209.003.0013
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter develops a theory of excitonic binding in 2D systems and examines how absorption and recombination processes are changed from those in bulk material. It first presents the theory for ... More


Effects of electric field on low-dimensional systems

P. K. Basu

in Theory of Optical Processes in Semiconductors: Bulk and Microstructures

Published in print:
2003
Published Online:
January 2010
ISBN:
9780198526209
eISBN:
9780191706790
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198526209.003.0017
Subject:
Physics, Atomic, Laser, and Optical Physics

This chapter examines the effect of an external field on subband energies, wave function, and absorption coefficients in multiple quantum wells (MQWs). Interband, intersubband, and excitonic ... More


Quantum confinement

Peter Blood

in Quantum Confined Laser Devices: Optical gain and recombination in semiconductors

Published in print:
2015
Published Online:
November 2015
ISBN:
9780199644513
eISBN:
9780191810329
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199644513.003.0008
Subject:
Physics, Atomic, Laser, and Optical Physics

The properties of the states produced by quantum confinement in double heterostructures are obtained by solving the spatial part of Schrödinger’s equation for a one-dimensional potential well with ... More


Random Phase Approximation Plasma Phenomenology, Semiclassical and Hydrodynamic Models; Electrodynamics

Norman J. Morgenstern Horing

in Quantum Statistical Field Theory: An Introduction to Schwinger's Variational Method with Green's Function Nanoapplications, Graphene and Superconductivity

Published in print:
2017
Published Online:
January 2018
ISBN:
9780198791942
eISBN:
9780191834165
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198791942.003.0010
Subject:
Physics, Theoretical, Computational, and Statistical Physics

Chapter 10 reviews both homogeneous and inhomogeneous quantum plasma dielectric response phenomenology starting with the RPA polarizability ring diagram in terms of thermal Green’s functions, also ... More


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