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Strong coupling between single QD and PhC localized mode is observed and theoretical modeling is performed. The results show the great potential of slow-light waveguide for enhanced light-matter interaction and quantum information processing.
We demonstrate single quantum dot coupled to photonic crystal mode-gap cavities with high Q/V ratio. Polarization and temperature dependent photoluminescence are examined. Predominating polarization is observed for quantum dot coupled to cavity mode.
We demonstrate micro-photoluminescence measurements of PbS nanocrystals coupled to air-slot mode-gap photonic crystal nanocavities with Q~15,000 and Veff ~0.02 (λ/nair)3. The ultrahigh Q/V ratios are critical for applications in cavity QED, nonlinear optics and sensing.
We demonstrate experimentally a photonic crystal nanocavity with an ultrasmall modal volume of 10-2(lambda/n)3, based on a designed air-slot in a two-dimensional photonic crystal lattice. Coupling to the tightly localized nanocavity of the fabricated sample is achieved with the tapered fiber, with strong applications to nonlinear optics and cavity quantum electrodynamics studies.
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