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The planar waveguide

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/9780199644513.003.0004
Subject:
Physics, Atomic, Laser, and Optical Physics

The planar waveguide controls the overlap of the laser mode with the gain material, which drives the stimulated emission process and determines the divergence of the beam on leaving the laser, ... More


Non-Polar Slab

B. K. Ridley

in Hybrid Phonons in Nanostructures

Published in print:
2017
Published Online:
April 2017
ISBN:
9780198788362
eISBN:
9780191830280
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198788362.003.0008
Subject:
Physics, Condensed Matter Physics / Materials

Hybrid modes exist as a consequence of acoustic and optical waves having to satisfy the boundary conditions at an interface or at a surface. The author begins the description of hybrid modes in ... More


Dynamic screening

B. K. Ridley FRS

in Quantum Processes in Semiconductors

Published in print:
2013
Published Online:
December 2013
ISBN:
9780199677214
eISBN:
9780191760624
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199677214.003.0009
Subject:
Physics, Condensed Matter Physics / Materials

Electrons in a semiconductor undergo polar scattering due to charged impurities, piezoelectric modes, holes, other electrons, and optical phonons — all of which are susceptible to electrical ... More


Polar Modes in Zinc Blende

B. K. Ridley

in Hybrid Phonons in Nanostructures

Published in print:
2017
Published Online:
April 2017
ISBN:
9780198788362
eISBN:
9780191830280
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198788362.003.0005
Subject:
Physics, Condensed Matter Physics / Materials

Continuing on from the second chapter, here, the polar elements that occur in III–V compounds are added. Chapter 3 covers: piezoelectricity and ionic charge, relation between electric field and ionic ... More


Optical Modes

B. K. Ridley

in Hybrid Phonons in Nanostructures

Published in print:
2017
Published Online:
April 2017
ISBN:
9780198788362
eISBN:
9780191830280
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198788362.003.0004
Subject:
Physics, Condensed Matter Physics / Materials

A continuum theory of long-wavelength non-polar acoustic and optical modes arising out of a microscopic model of the lattice dynamics is described. The chapter covers: microscopic model of the ... More


Semi-classical transport

B. K. Ridley FRS

in Quantum Processes in Semiconductors

Published in print:
2013
Published Online:
December 2013
ISBN:
9780199677214
eISBN:
9780191760624
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199677214.003.0012
Subject:
Physics, Condensed Matter Physics / Materials

In order to provide a comprehensive account of the response of electrons in semiconductors to external fields, their quantum nature must be taken into account. However, there are cases in which the ... More


The Interaction between Electrons and Polar Optical Phonons in Nanostructures: General Remarks

B. K. Ridley

in Hybrid Phonons in Nanostructures

Published in print:
2017
Published Online:
April 2017
ISBN:
9780198788362
eISBN:
9780191830280
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198788362.003.0013
Subject:
Physics, Condensed Matter Physics / Materials

In the study of transport phenomena in semiconductor nanostructures the interaction between electrons and phonons assumes a central significance because of its intrinsic nature. In principle, ... More


Single Heterostructure

B. K. Ridley

in Hybrid Phonons in Nanostructures

Published in print:
2017
Published Online:
April 2017
ISBN:
9780198788362
eISBN:
9780191830280
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198788362.003.0009
Subject:
Physics, Condensed Matter Physics / Materials

The single heterostructure is one of the most technologically versatile devices, being the structure of field-effect transistors and Schottky-effect devices, to say nothing of its capability of ... More


Quantum Dot

B. K. Ridley

in Hybrid Phonons in Nanostructures

Published in print:
2017
Published Online:
April 2017
ISBN:
9780198788362
eISBN:
9780191830280
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198788362.003.0012
Subject:
Physics, Condensed Matter Physics / Materials

Experimental determination of the properties of semiconductor quantum dots is bedevilled by the spread in sizes of dot in the population. Nevertheless, interest in their optical properties and their ... More


Quantum Well

B. K. Ridley

in Hybrid Phonons in Nanostructures

Published in print:
2017
Published Online:
April 2017
ISBN:
9780198788362
eISBN:
9780191830280
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198788362.003.0010
Subject:
Physics, Condensed Matter Physics / Materials

Assumptions: long-wavelength, isotropy, u = 0 for optical modes. This chapter considers a slab of polar material bounded in the z direction at z = ±L/2 and unbounded otherwise. It covers: triple ... More


Boundary Conditions

B. K. Ridley

in Hybrid Phonons in Nanostructures

Published in print:
2017
Published Online:
April 2017
ISBN:
9780198788362
eISBN:
9780191830280
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198788362.003.0006
Subject:
Physics, Condensed Matter Physics / Materials

An immediate problem that presented itself in the physics of nanostructures, formed from two semiconductors, was to describe conditions at their interface. In principle, band-structure and ... More


Scattering Rate in Quantum Wires

B. K. Ridley

in Hybrid Phonons in Nanostructures

Published in print:
2017
Published Online:
April 2017
ISBN:
9780198788362
eISBN:
9780191830280
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198788362.003.0017
Subject:
Physics, Condensed Matter Physics / Materials

The scattering rate associated with hybrid optical modes in a cylindrical quantum wire is derived.


Threshold and the light–current characteristic

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/9780199644513.003.0015
Subject:
Physics, Atomic, Laser, and Optical Physics

The light–current characteristic is the most basic measurement that can be made of the performance of a laser diode, giving its threshold current and external efficiency. For conventional laser ... More


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