The scaling of optical quantum technologies requires efficient, on-demand sources of highly
indistinguishable single photons. Semiconductor quantum dots inserted into photonic …

A source of triggered entangled photon pairs is a key component in quantum information
science 1 ; it is needed to implement functions such as linear quantum computation 2 , …

Quantum computing aims at exploiting quantum phenomena to efficiently perform computations
that are unfeasible even for the most powerful classical supercomputers. Among the …

Topology describes properties that remain unaffected by smooth distortions. Its main hallmark
is the emergence of edge states localized at the boundary between regions characterized …

Cavity exciton-polaritons 1 , 2 (polaritons) are bosonic quasi-particles offering a unique solid-state
system for investigating interacting condensates 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 . Up to now, …

Polariton lasing is demonstrated on the zero-dimensional states of single GaAs / GaAlAs
micropillar cavities. Under nonresonant excitation, the measured polariton ground-state …

Two-dimensional lattices of coupled micropillars etched in a planar semiconductor microcavity
offer a workbench to engineer the band structure of polaritons. We report experimental …

We report on the engineering of a nondispersive (flat) energy band in a geometrically frustrated
lattice of micropillar optical cavities. By taking advantage of the non-Hermitian nature of …

Periodically structured materials can sustain both optical and mechanical modes. Here we
investigate and observe experimentally the optomechanical properties of a conventional two-…

The most-awaited convergence of microelectronics and photonics promises to bring about a
revolution for on-chip data communications and processing 1 . Among all the optoelectronic …