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...
Main Authors: | Poulter, A, Langerak, C, Lakrimi, M, Nicholas, R, Mason, N, Walker, P |
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格式: | Conference item |
出版: |
1998
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