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Article Abstract
We propose surface modulation of the equilibrium charge density as a technique to control and enhance, via an external static potential, the free electron nonlinear response of heavily doped semiconductors. Within a hydrodynamic perturbative approach, we predict a 2 order of magnitude boost of free electron third-harmonic generation.
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| http://dx.doi.org/10.1103/PhysRevLett.129.123902 | DOI Listing |
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