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We demonstrate the generation of single- and two-photons at a time from a quantum dot-photonic crystal resonator system. Controlling the detuning between emitter and cavity allows us to drive a nonlinear ladder of hybridized light-matter states.
We investigated an ultrafast phonon-assisted population transfer between polaritons from a strongly coupled quantum dot-photonic crystal cavity system. In particular, we demonstrated complete coherent control and single-photon generation from a polariton.
Indistinguishable photon emission was investigated from a quantum dot-photonic crystal resonator system for the first time. This solid-state cavity quantum electrodynamical platform produced robust and high-fidelity generation of indistinguishable photons at unprecedented rates.
We present high quality factor (Q ∼ 103) photonic crystal cavities in cubic silicon carbide (3C-SiC) films grown directly on silicon. We show results in shifted-L3 and nanobeam cavity geometries for applications in nonlinear and quantum photonics.
Progress in cavity quantum electrodynamics (cQED) trends to decreasing mode volume and increasing light-matter interaction. We demonstrate a metal-semiconductor nanopillar cQED system that exhibits bright single-photon generation, strong Purcell enhancement, and viability as a new platform for cQED.
We show that the use of a coupled cavity or a bimodal cavity can improve single photon generation significantly relative to a single quantum dot strongly coupled to a cavity.
Through experimental study of an array of coupled photonic crystal cavities, we find that the intercavity coupling is significantly larger than the fabrication-induced disorder, a necessary condition for the generation of strongly correlated photons.
We measure the third-order autocorrelation function of a photon stream from a single quantum dot coupled to a photonic-crystal nanocavity. This is the first measurement of the higher-order photon correlation function on a solid state quantum emitter.
We observe deterministic charging of quantum dots embedded in a p-n-i-n junction coupled to photonic crystal nanoresonators by spectroscopic means and demonstrate Zeeman splitting under applied magnetic field in the Voigt configuration.
We demonstrate off-resonant coupling between a single quantum dot and a nanobeam photonic crystal cavity, under resonant excitation of the dot or the cavity. We confirm that this is an incoherent phonon-mediated process.
We demonstrate the actuation of a double beam optomechanical cavity with a sinusoidally varying optical input power. We observe the driven mechanical motion with only 200 nW coupled to the optical cavity mode.
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