A gated quantum dot strongly coupled to an optical microcavity. Nonlinear π phase shift for single fibre-guided photons interacting with a single resonator-enhanced atom. A single-photon switch and transistor enabled by a solid-state quantum memory. Ultrafast photon-photon interaction in a strongly coupled quantum dot-cavity system. Comparison of quantum and semiclassical radiation theories with application to the beam maser. A quantum gate between a flying optical photon and a single trapped atom. Scalable photonic quantum computation through cavity-assisted interactions. Deterministic single-photon source for distributed quantum networking. Photon antibunching in resonance fluorescence. Exploring the Quantum: Atoms, Cavities, and Photons (Oxford Univ. Colloquium: quantum matter built from nanoscopic lattices of atoms and photons. Quantum nonlinear optics - photon by photon. Proposal for pulsed on-demand sources of photonic cluster state strings. Quantum-dot-based deterministic photon–emitter interfaces for scalable photonic quantum technology. Uppu, R., Midolo, L., Zhou, X., Carolan, J. Integrated photonic quantum technologies. ![]() Further development of this platform work, which constitutes a new research frontier in quantum optics 6, will enable the tailoring of complex photonic quantum resource states. The dynamical response of the two-photon interaction is experimentally unravelled and reveals quantum correlations controlled by the pulse duration. We demonstrate the control of a photon using a second photon mediated by the quantum emitter. Here we utilize the efficient and coherent coupling of a single quantum emitter to a nanophotonic waveguide to realize a quantum nonlinear interaction between single-photon wavepackets. Efficient light–matter interfaces offer a route to reliably generating these entangled resource states 4, 5. However, more sophisticated devices and protocols need access to multi-photon states with particular forms of entanglement. ![]() They can carry quantum information over extended distances to act as the backbone of a future quantum internet 1 and can be manipulated in advanced photonic circuits, enabling scalable photonic quantum computing 2, 3. Single photons role in the development of quantum science and technology.
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