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We recently demonstrated orders of magnitude enhancement of two-photon absorption (2PA) in direct gap semiconductors due to intermediate state resonance enhancement for photons of very different energies. It can be expected that further enhancement of nondegenerate 2PA will be observed in quantum wells (QWs), since the intraband matrix elements do not vanish near the band center, as they do in the...
Loss in the metal is the main factor restricting practicality of plasmonic and metamaterial devices. In this tutorial the inevitability of the loss, its physical origins and the means to mitigate it will be considered
Surface plasmon polariton gap waveguides are shown to provide both confinement and phasematching in the three wave nonlinear optical interactions opening exiting possibilities for efficient on chip frequency conversion and parametric generation.
The long-range surface plasmon polaritons are shown to enable phase -matching in the three wave nonlinear optical interactions opening exiting possibilities for efficient on chip frequency conversion and parametric generation.
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