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

被引：5
作者：
Osipova, M. O. [1 ]
Perlin, E. Yu. [1 ,2 ]
机构：
[1] ITMO Univ, St Petersburg, Russia
[2] Peter Great Polytech Univ, Inst Phys Nanotechnol & Telecommun, St Petersburg, Russia
来源：
JOURNAL OF OPTICAL TECHNOLOGY | 2016年 / 83卷 / 06期
关键词：
NONLINEAR ABSORPTION; BULK CRYSTALS; NANOSTRUCTURES; RESONANCE;
D O I：
10.1364/JOT.83.000329
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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. (C) 2016 Optical Society of America.
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页码：329 / 331
页数：3
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