Abstract

We present measurements of the two-photon absorption coefficients beta(2) of 10 different semiconductors having band-gap energies between 1.4 and 3.7 eV. We find that beta(2) varies as E(g)(-3), as predicted by theory. In addition, the absolute values of beta(2) agree with theory, which includes the effect of nonparabolic bands, the average difference being less than 26%. This agreement permits confident predictions of two-photon absorption coefficients of other materials at other wavelengths.

Keywords

Absorption (acoustics)PhotonAttenuation coefficientBand gapOpticsPhysicsTwo-photon absorptionWavelengthSemiconductorPhoton energyAtomic physicsRefractive indexMaterials scienceCondensed matter physicsOptoelectronicsLaser

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Publication Info

Year
1985
Type
article
Volume
10
Issue
10
Pages
490-490
Citations
339
Access
Closed

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Eric W. Van Stryland, M. A. Woodall, Herman Vanherzeele et al. (1985). Energy band-gap dependence of two-photon absorption. Optics Letters , 10 (10) , 490-490. https://doi.org/10.1364/ol.10.000490

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DOI
10.1364/ol.10.000490