Intersubband lifetimes in InAs/GaSb superlattices using saturated absorption spectroscopy
We investigate intersubband relaxation rates above the optical phonon energy in a InAs/GaSb superlattice using saturation spectroscopy. A high-intensity free-electron laser tuned to the intersubband transition energy is used to saturate the absorption process revealing picosecond relaxation rates. T...
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Dettagli Bibliografici
Autori principali: |
Poulter, A,
Langerak, C,
Lakrimi, M,
Nicholas, R,
Mason, N,
Walker, P |
Natura: | Conference item
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Pubblicazione: |
1998
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