Quantum metrology is one of the most promising applications of quantum technologies. The
aim of this research field is the estimation of unknown parameters exploiting quantum …

Cavity-enhanced single quantum dots (QDs) are the main approach towards ultra-high-
performance solid-state quantum light sources for scalable photonic quantum technologies …

Sources of entangled electromagnetic radiation are a cornerstone in quantum information
processing and offer unique opportunities for the study of quantum many-body physics in a …

Quantum techniques can be used to enhance the signal-to-noise ratio in optical imaging.
Leveraging the latest advances in single-photon avalanche diode array cameras and …

Abstract Polarized| S|= 0.99±0.01 |S|=0.99±0.01, and unpolarized| S|= 0.03±0.01
|S|=0.03±0.01 emission from a single emitter embedded in a single, cylindrically symmetric …

Coherent optical states consist of a quantum superposition of different photon number (Fock)
states, but because they do not form an orthogonal basis, no photon number states can be …

This chapter gives a tutorial overview of the key parameters that are used to assess solid‐
state quantum emitters for applications in quantum photonics. Specifically, it covers single …

Deterministic light sources capable of generating quantum states on-demand at
wavelengths compatible with fiber optics and atmospheric transmission are essential for …

We investigate the utilization of advanced single photons produced by quantum dots (QDs)
in a microcavity for quantum metrology. Through the integration of lateral excitation and the …

[136] Steindl, P., van der Ent, T., van der Meer, H., Frey, JA, Norman, J., Bowers, JE,
Bouwmeester, D. & Löffler, W. Resonant two-laser spin-state spectroscopy of a negatively …