Since its discovery, quantum entanglement has challenged some of the best established
views of the world: locality and reality. Quantum technologies promise to revolutionize …

The transverse spatial effects observed in photon pairs produced by parametric down-
conversion provide a robust and fertile testing ground for studies of quantum mechanics …

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 …

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

Nonlinear holography shapes the amplitude and phase of generated new harmonics using
nonlinear processes. Classical nonlinear holography influenced many fields in optics, from …

We propose a scheme for encoding logical qubits in a subspace protected against collective
rotations around the propagation axis using the polarization and transverse spatial degrees …

We report the first experimental characterization of the first-order continuous variable orbital
angular momentum states. Using a spatially nondegenerate optical parametric oscillator …

Spatial states of single photons and spatially entangled photon pairs are becoming an
important resource in quantum communication. This additional degree of freedom provides …

We introduce a kind of Hermite-Gaussian (HG) solitons, with off-axis and chirp parameters,
propagating in nonlinear media with harmonic potential wells. The general formula for the …