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Ultrashort excitations of surface polaritons and waveguide modes in semiconductors |
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| Authors: | G A Martsinovskiĭ G D Shandybina D S Smirnov S V Zabotnov L A Golovan’ V Yu Timoshenko P K Kashkarov |
| Institution: | (1) St. Petersburg State University of Information Technologies, Mechanics, and Optics, St. Petersburg, 197101, Russia;(2) Moscow State University, Moscow, 119991, Russia |
| Abstract: | Polarization-dependent structures have been formed on the silicon surface under the action of femtosecond laser pulses. Some model concepts are proposed to describe changes in the response of the semiconductor surface caused by the generation of a nonequilibrium electron-hole plasma and explain the excitation of surface polaritons and waveguide modes during a femtosecond laser pulse. |
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