Abstract
The strong light confinement achieved in photonic crystal microcavities allows the enhancement of light-matter interactions, including nonlinear interactions. However, the frequency shift dynamics of the cavity resonance, which is driven by nonlinear refractive index change, tends to limit the coupling efficiency under a pulsed excitation. As a result, the cavity enhancement effect is not maintained for the entire pulse duration, even if the latter is longer than the cavity photon lifetime.
© 2015 IEEE
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