All-optical switching by entangling quantum dot states in a photonic crystal cavity

We analyze the behaviour of a quantum dot embedded in a photonic crystal add-drop filter and in a direct coupled photonic crystal microcavity for optical signal processing applications. The joint effect of dipole induced transparency and electromagnetic induced transparency, considering a cascade co...

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Bibliographic Details
Main Authors: Manzacca, G., Hingerl, K., Cincotti, G.
Format: Conference Proceeding
Language:English
Subjects:
Frequency response
Mathematical model
Microcavities
Optical coupling
Optical filters
Optical signal processing
Optical tuning
Photonic crystals
Quantum dots
Signal analysis
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Summary:We analyze the behaviour of a quantum dot embedded in a photonic crystal add-drop filter and in a direct coupled photonic crystal microcavity for optical signal processing applications. The joint effect of dipole induced transparency and electromagnetic induced transparency, considering a cascade configuration of the quantum dot, are used to modify the behaviour of the whole system. The mathematical model and a number of different conditions for tuning the frequency response of the filters are derived for application in all-optical switching and wavelength tunable devices.
DOI:10.1109/ICTONMW.2007.4446933