Modal decomposition of light has been known for a long time, applied mostly to pattern
recognition. With the commercialization of liquid-crystal devices, digital holography as an …

A tomographic measurement is a ubiquitous tool for estimating the properties of quantum
states, and its application is known as quantum state tomography (QST). The process …

Metasurfaces consisting of nanoscale structures are underpinning new physical principles
for the creation and sha** of quantum states of light. Multiphoton states that are entangled …

High-dimensional biphoton states are promising resources for quantum applications,
ranging from high-dimensional quantum communications to quantum imaging. A pivotal task …

Structured light has become topical of late, where controlling light in all its degrees of
freedom has offered novel states of light long predicted, enhanced functionality in …

Quantum mechanics is now a mature topic dating back more than a century. During its
scientific development, it fostered many technological advances that now are integrated into …

Quantum tomography is currently ubiquitous for testing any implementation of a quantum
information processing device. Various sophisticated procedures for state and process …

Entangled quantum systems have properties that have fundamentally overthrown the
classical worldview. Increasing the complexity of entangled states by expanding their …

The identification of orbital angular momentum (OAM) as a fundamental property of a beam
of light nearly 25 years ago has led to an extensive body of research around this topic. The …

We demonstrate that the combination of digital spiral imaging with high-dimensional orbital
angular momentum (OAM) entanglement can be used for efficiently probing and identifying …