Two-colour mid-infrared absorption in an InAs/GaSb-based type II and broken-gap quantum well
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Description
We examine theoretically the contribution from different transition channels to optical absorption in an InAs/GaSb-based type II and broken-gap quantum well in which both electron and hole subbands in different layers are occupied by carriers. We find that in such a system, due to a weak overlap of the electron and hole wavefunction at the interface, optical absorption is mainly achieved via inter-subband transition within the same material layer. As a result, two sharp absorption peaks can be...[Show more]
Collections | ANU Research Publications |
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Date published: | 2007 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/21025 |
Source: | Journal of Physics: Condensed Matter |
DOI: | 10.1016/j.physe.2007.08.004 |
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01_Wei_Two-colour_mid-infrared_2007.pdf | 228.64 kB | Adobe PDF | Request a copy |
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