In the context of quantum technologies, the generation and manipulation of single photons
has become a key element for applications such as quantum communication and quantum …

With the development of photonic quantum technologies, single photons have become key
for various applications including quantum communication and quantum computing …

The performance of light microscopes is limited by the stochastic nature of light, which exists
in discrete packets of energy known as photons. Randomness in the times that photons are …

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 …

We present a tutorial on the phenomenon of induced coherence without induced emission,
and specifically its application to imaging and metrology. It is based on a striking effect …

Imaging based on the induced coherence effect makes use of photon pairs to obtain
information of an object without detecting the light that probes it. While one photon …

Among the known resources of quantum metrology, one of the most practical and efficient is
squeezing. Squeezed states of atoms and light improve the sensing of the phase, magnetic …

Quantum imaging with undetected photons is a recently introduced technique that goes
significantly beyond what was previously possible. In this technique, images are formed …

Squeezed light enables measurements with sensitivity beyond the quantum noise limit
(QNL) for optical techniques such as spectroscopy, gravitational wave detection …

Quantum-enhanced stimulated Raman scattering (QE-SRS) is a promising technique for
highly sensitive molecular vibrational imaging and spectroscopy surpassing the shot noise …