УДК: 535.14535.015

Two-photon absorption of quasi-steady-state radiation and supershort light pulses in broad-band semiconductors

Publication in Journal of Optical Technology

For Russian citation (Opticheskii Zhurnal):

Осипова М.О., Перлин Е.Ю. Двухфотонное поглощение квазистационарного излучения и сверхкоротких световых импульсов в широкозонных полупроводниках // Оптический журнал. 2016. Т. 83. № 6. С. 3–6.

Osipova M.O., Perlin E.Yu. Two-photon absorption of quasi-steady-state radiation and supershort light pulses in broad-band semiconductors [in Russian] // Opticheskii Zhurnal. 2016. V. 83. № 6. P. 3–6.

For citation (Journal of Optical Technology):

M. O. Osipova and E. Yu. Perlin, "Two-photon absorption of quasi-steady-state radiation and supershort light pulses in broad-band semiconductors," Journal of Optical Technology. 83(6), 329-331 (2016). https://doi.org/10.1364/JOT.83.000329

Abstract:

This article compares the energy U absorbed during two-photon interband resonance, calculated for the cases of quasi-steady-state optical radiation and femtosecond laser pulses. Comparison of the dependences of U on the laser pulse width obtained for these cases showed that the greatest differences occur when the photogenerated charge carriers have short pulse-relaxation times.

Keywords:

two-photon transitions, femtosecond light pulses, broad-band crystals

Acknowledgements:

This work was carried out in terms of the design part of a state program involving scientific activity—Projects Nos. 3.1675.2014/K and 3.821.2014/K.
The authors thank V. G. Bespalov for help in the studies.

OCIS codes: 190.0190, 320.0320, 160.6000

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