In recent years, quantum computing has made significant strides, particularly in light-based
technology. The introduction of quantum photonic chips has ushered in an era marked by …

It is possible to prepare classical optical beams which cannot be characterized by a tensor
product of vectors describing each of their degrees of freedom. Here we report the …

To improve the slow processing speed of the classical image encryption algorithms and
enhance the security of the private color images, a new quantum color image encryption …

We propose an all-optical experiment to quantify non-Markovianity in an open quantum
system through quantum coherence of a single quantum bit. We use an amplitude damping …

We propose an all-optical setup to produce a wide class of X states with an intense laser
beam using spin-orbit modes. In order to characterize such simulated states, we …

We experimentally observed the violation of Kujula–Dzhafarov noncontextuality inequalities
by nonseparable spin-orbit laser modes. Qubits are encoded on polarization and transverse …

It is well established in the theory of quantum computation that the controlled-NOT (CNOT)
gate is a fundamental element in the construction of a quantum computer. Here, we propose …

The codification of qubits in internal degrees of freedom (DoF) of light as polarization,
transverse modes, and path has received a lot of attention lately. However, the qubit codified …

We propose and experimentally demonstrate a conditional operation by using three degrees
of freedom of a classical laser beam that simulates the operations of the quantum Toffoli …

We report on the experimental realization of the quantum duel game for two players, Alice
and Bob. Using an all optical approach, we have encoded Alice and Bob states in …