Enhancement of nonlinear effects using photonic crystals.
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...One of the great advantages in using nonlinear photonic-crystal cavities is the enhancement of nonlinear optical processes, including nonlinear Fano resonance (Bravo-Abad et al., 2007; Soljacic and Joannopoulos, 2004)....
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...This is of interest for possible implementation of novel nonlinear optical devices in graphene, since it is known that small group velocities can lead to savings in both the device length and the operational power [40]; the latter would also be reduced because of the large transversal field localization of the plasmon modes....
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...Second photon effects In a true strong-coupling system, nonlinear optics occurs with only two photon...
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...The system as shown in Fig. 1a exhibits strong non-reciprocal behaviour—the modulation in equation ( 1 ) does not phase-match the mode at (v1, 2k1) with any other mode of the system....
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...Such non-reciprocity arises from the breaking of both time-reversal and spatial-inversion symmetries in the dynamics—the modulation in equation ( 1 ) is not invariant with either t ! 2t or z ! 2z....
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References
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...In the quest for the optimal solution, photonic crystal...
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Additional excerpts
...There are many powerful numerical tools available for modelling such systems, but one in particular deserves a special mention: finite-difference time domain (FDTD) calculations (for a review, see ref...
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9,067 citations
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...In the quest for the optimal solution, photonic crystal...
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...Optical bistability in photonic crystal microcavities Optical bistability is a fairly general phenomenon that occurs in many nonlinear systems with feedbac...
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