Phonon lifetimes in silicon from 50 GHz to 15 THz - University of ...
Phonon lifetimes in silicon from 50 GHz to 15 THz - University of ...
Phonon lifetimes in silicon from 50 GHz to 15 THz - University of ...
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Time-resolved anti-S<strong>to</strong>kes <strong>in</strong>tensities<br />
‣ Integral <strong>of</strong> <strong>in</strong>tensity <strong>in</strong><br />
range 600-6<strong>50</strong> anti-<br />
S<strong>to</strong>kes wavenumbers<br />
gives electronic<br />
scatter<strong>in</strong>g by <strong>in</strong>terband<br />
hole excitations.<br />
‣ Integral (after<br />
background<br />
subtraction) <strong>of</strong> 490-5<strong>50</strong><br />
cm -1 gives <strong>in</strong>tensity <strong>of</strong><br />
LO phonon scatter<strong>in</strong>g<br />
‣ Pump power: 86 mW
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