Extraordinary nonlinear optics in ordinary semiconductors

Details Extraordinary nonlinear optics in ordinary semiconductors Extraordinary nonlinear optics in ordinary semiconductors

2009-04-27

arxiv.org/abs/0904.4082v1

Physics

Optics

Scientific paper

We numerically demonstrate inhibition of absorption, optical transparency, and anomalous momentum states of phase locked harmonic pulses in semiconductors, at UV and extreme UV frequencies, in spectral regions where the dielectric constant of typical semiconductors is negative. We show that a generated harmonic signal can propagate through a bulk metallic medium without being absorbed as a result of a phase locking mechanism between the pump and its harmonics. These findings may open new regimes in nonlinear optics and are particularly relevant to the emerging fields of nonlinear negative index meta-materials and nano-plasmonics, especially in the ultrafast pulse regime.

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