Entanglement is a quintessential quantum mechanical phenomenon with no classical
equivalent. First discussed by Einstein, Podolsky, and Rosen and formally introduced by …

Quantum entanglement has emerged as a great resource for spectroscopy and its
importance in two-photon spectrum and microscopy has been demonstrated. Current …

Quantum entanglement has been shown to imply correlations stronger than those allowed
by classical models. The possibility of performing tasks that are classically impossible has …

Quantum interferences of entangled photons have engendered tremendous intriguing
phenomena that lack any counterpart in classical physics. Hitherto, owing to the salient …

Entangled two-photon absorption (ETPA) has recently become a topic of lively debate,
mainly due to the apparent inconsistencies in the experimentally reported ETPA cross …

The quantum theory of electromagnetic radiation predicts characteristic statistical
fluctuations for light sources as diverse as sunlight, laser radiation, and molecule …

The quantum statistical fluctuations of electromagnetic fields establish a limit, known as the
shot-noise limit, on the sensitivity of optical measurements performed with classical …

Two-photon absorption (TPA) fluorescence of biomarkers has been decisive in advancing
the fields of biosensing and deep-tissue in vivo imaging of live specimens. However, due to …

Quantum entanglement has emerged as a great resource for studying the interactions
between molecules and radiation. We propose a new scheme of stimulated Raman …

Entangled photons exhibit non-classical light–matter interactions that create new
opportunities in materials and molecular science. Notably, in entangled two-photon …