Nonlinear refraction and absorption: Mechanisms and magnitudes

Demetrios N. Christodoulides, Iam Choon Khoo, Gregory J. Salamo, George I. Stegeman, Eric W. Van Stryland

Research output: Contribution to journalReview article

179 Citations (Scopus)

Abstract

We provide an in-depth treatment of the various mechanisms by which an incident light beam can produce an intensity- or flux-dependent change in the refractive index and absorption coefficient of different materials. Whenever possible, the mechanisms are initially traced to single-atom and -molecule effects in order to provide physical understanding. Representative values are given for the various mechanisms. Nine different mechanisms are discussed, starting with the Kerr effect due to atoms and/or molecules with discrete states, including organic materials such as molecules and conjugated polymers. Simplified two and/or three-level models provide useful information, and these are summarized. The nonlinear optics of semiconductors is reviewed for both bulk and quantum-confined semiconductors, focusing on the most common types II-VI and III-V. Also discussed in some detail are the different nonlinear mechanisms that occur in liquid crystals and photorefractive media. Additional nonlinear material systems and mechanisms such as glasses, molecular reorientation of single molecules, the electrostrictive effect, the nuclear effect (vibrational contributions), cascading, and the ever-present thermal effects are quantified, and representative tables of values are given.

Original languageEnglish (US)
Pages (from-to)60-200
Number of pages141
JournalAdvances in Optics and Photonics
Volume2
Issue number1
DOIs
StatePublished - Jan 1 2010

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refraction
molecules
nonlinear optics
organic materials
Kerr effects
light beams
retraining
temperature effects
atoms
absorptivity
liquid crystals
refractivity
glass
polymers
coefficients

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Christodoulides, D. N., Khoo, I. C., Salamo, G. J., Stegeman, G. I., & Van Stryland, E. W. (2010). Nonlinear refraction and absorption: Mechanisms and magnitudes. Advances in Optics and Photonics, 2(1), 60-200. https://doi.org/10.1364/AOP.2.000060
Christodoulides, Demetrios N. ; Khoo, Iam Choon ; Salamo, Gregory J. ; Stegeman, George I. ; Van Stryland, Eric W. / Nonlinear refraction and absorption : Mechanisms and magnitudes. In: Advances in Optics and Photonics. 2010 ; Vol. 2, No. 1. pp. 60-200.
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Christodoulides, DN, Khoo, IC, Salamo, GJ, Stegeman, GI & Van Stryland, EW 2010, 'Nonlinear refraction and absorption: Mechanisms and magnitudes', Advances in Optics and Photonics, vol. 2, no. 1, pp. 60-200. https://doi.org/10.1364/AOP.2.000060

Nonlinear refraction and absorption : Mechanisms and magnitudes. / Christodoulides, Demetrios N.; Khoo, Iam Choon; Salamo, Gregory J.; Stegeman, George I.; Van Stryland, Eric W.

In: Advances in Optics and Photonics, Vol. 2, No. 1, 01.01.2010, p. 60-200.

Research output: Contribution to journalReview article

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