Theory of generated four-wave mixing for two-photon creation of exciton condensate in C2O
The experimental situation in which excitons in Cu2O are pumped directly into a state with wave vector = k0 by two counter-propagating laser pulses, and subsequently probed by a third, time-delayed, pulse has been theoretically investigated. It has been shown that additional electromagnetic wa...
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| Autores principales: | , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
D.Ghitu Institute of Electronic Engineering and Nanotechnologies
2005
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/9828676233aa43448bec29602ff3e1b7 |
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| Sumario: | The experimental situation in which excitons in Cu2O are pumped directly into a state
with wave vector = k0 by two counter-propagating laser pulses, and subsequently probed by
a third, time-delayed, pulse has been theoretically investigated. It has been shown that
additional electromagnetic waves are excited in the system. A specific configuration of two
pump pulses and one probe pulse has been found to generate only one additional
electromagnetic wave. The dependence of the time-integrated photon number in this wave on
the delay time between pump and probe pulses for some values of the detuning has been
investigated.
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