Chapter

Transient Optical Response

Stephen C. Rand

in Lectures on Light

Published in print May 2010 | ISBN: 9780199574872
Published online September 2010 | e-ISBN: 9780191722219 | DOI: http://dx.doi.org/10.1093/acprof:oso/9780199574872.003.0004
Transient Optical Response

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Chapter 4 treats the three most important coherent optical transient phenomena using primarily the Bloch vector model. One section is devoted to each effect: nutation, free induction decay (FID), and photon echo. Through this, the idea that steady‐state response to light develops slowly, on a timescale set by inertia in the atom–field interaction, is introduced. In the last section, three possible approaches to describing the photon echo are briefly compared to gain perspective on the advantages and disadvantages of algebraic, matrix multiplication, or density matrix methodology. By the end of this chapter the reader is prepared for the remaining chapters in which the density matrix approach is used exclusively to calculate the effects of light.

Keywords: coherent transients; nutation; free induction decay; photon echo

Chapter.  10974 words.  Illustrated.

Subjects: Atomic, Molecular, and Optical Physics

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