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Pages- Terahertz Imaging & Detection
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Tuesday, February 21, 2017
Abstract-Nonlinear terahertz response associated to electronic intersubband transitions in a V-groove quantum wire
http://onlinelibrary.wiley.com/doi/10.1002/pssb.201600463/abstract
The electron states as well as the nonlinear optical rectification and second and third harmonic generations are investigated in a GaAs-based V-groove quantum wire. The single band effective mass Schrödinger equation is solved using the finite element method. The nonlinear optical coefficients were calculated from expressions derived within the compact density matrix method. It is found that this kind of nanostructures can exhibit noticeable nonlinear responses in the domain of the terahertz when the V-groove is in the open-wide geometrical configuration.
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