Intersubband lifetimes in InAs/GaSb superlattices using saturated absorption spectroscopy

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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Bibliographic Details
Main Authors:	Poulter, A, Langerak, C, Lakrimi, M, Nicholas, R, Mason, N, Walker, P
Format:	Conference item
Published:	1998

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