Foundations of coherent transients in semiconductors

Torsten Meier, Stephan W. Koch

Research output: Chapter in Book/Report/Conference proceedingChapter


Short laser pulses are able to generate material excitations with a well-defined phase which is imposed by the optical excitation source. The generated coherent superposition state be described as an optical polarization which exists only in non-equilibrium situations. The coherence, i.e., the phase relations between the optical transitions that originate from the excitation, leads to several interesting effects in time-resolved linear and nonlinear optical spectroscopy. In this article, the basic principles that underlie these coherent transients are introduced and several examples are presented.

Original languageEnglish (US)
Title of host publicationEncyclopedia of Modern Optics
Number of pages14
ISBN (Electronic)9780128149829
ISBN (Print)9780128092835
StatePublished - Jan 1 2018
Externally publishedYes


  • Bloch equations
  • Coherent control
  • Coherent photocurrents
  • Dephasing
  • Free-induction decay
  • Interference
  • Light-matter interaction
  • Multidimensional fourier transform spectroscopy
  • Nonlinear optical spectroscopy
  • Optical polarization
  • Photon echo
  • Quantum beats
  • Radiative decay
  • Semiconductor bloch equations
  • Spectral oscillations
  • Superradiance

ASJC Scopus subject areas

  • Engineering(all)
  • Materials Science(all)


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