Effect of phase modulation of a laser pulse on the generation of a coherent totally symmetric phonon in a tellurium single crystal
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The effect of phase modulation (resulting in a chirp of an ultrashort laser pulse) on the generation of a coherent A1 phonon in Te was studied. The amplitude of coherent oscillations was found to depend on the sign and value of the pulse chirp: the oscillation amplitude decreases as the chirp increases. For a positive chirp, this effect is twofold stronger than for a negative one. The frequency-resolved response of a bandwidth-limited pulse was studied, which revealed the difference of oscillations and the relaxation response for the Stokes and anti-Stokes frequencies. The detected phenomena can be used for coherent control of lattice dynamics.
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MISOCHKO, Oleg Victor, Sergej ANDREEV, V. O. KOMPANETS, Yu. A. MATVEETS, A. G. STEPANOV, Sergey V. CHEKALIN, Thomas DEKORSY, 2007. Effect of phase modulation of a laser pulse on the generation of a coherent totally symmetric phonon in a tellurium single crystal. In: Physics of the solid state. 2007, 49(11), pp. 2171-2176. Available under: doi: 10.1134/S106378340711025XBibTex
@article{Misochko2007Effec-9363, year={2007}, doi={10.1134/S106378340711025X}, title={Effect of phase modulation of a laser pulse on the generation of a coherent totally symmetric phonon in a tellurium single crystal}, number={11}, volume={49}, journal={Physics of the solid state}, pages={2171--2176}, author={Misochko, Oleg Victor and Andreev, Sergej and Kompanets, V. O. and Matveets, Yu. A. and Stepanov, A. G. and Chekalin, Sergey V. and Dekorsy, Thomas} }
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