The examination of entanglement across various degrees of freedom has been pivotal in
augmenting our understanding of fundamental physics, extending to high dimensional …

Not much, in the end. Here we put forward some considerations on how Hong-Ou-Mandel
interferometry provides signatures of frequency entanglement in the two-photon state …

Entangled photons (biphotons) in the time-frequency degree of freedom play a crucial role in
both foundational physics and advanced quantum technologies. Fully characterizing them …

In this theoretical study, we demonstrate that entangled states are able to significantly
extend the functionality of Hong-Ou-Mandel (HOM) interferometers. By generating a …

The Hong-Ou-Mandel interference effect lies at the heart of many emerging quantum
technologies whose performance can be significantly enhanced with increasing numbers of …

Abstract A modified Hong–Ou–Mandel (HOM) interference reveals that the two-photon
interference phenomenon can be explained only by the concept of a two-photon wave …

Pairs of photons entangled in their time-frequency degree of freedom are of great interest in
quantum optics research and applications, due to their relative ease of generation and their …

We present progress toward measuring nanometer-scale vibrations via a frequency-
entangled two-photon interferometer. Unlike classical interference, two-photon–or Hong-Ou …

Quantum entanglement plays a prominent role in both foundational physics and emerging
quantum technologies. Light is especially promising as a platform for experimental …

Entangling independent photons is not only of fundamental interest but also of crucial
importance for quantum-information science. Two-photon interference is a major method for …