Structured light, especially beams carrying orbital angular momentum (OAM), has gained
much interest due to its unique amplitude and phase structures. In terms of communication …

There is a growing interest in structured light, especially orbital angular momentum (OAM)
beams, due to its unique amplitude and phase structure. Multiple orthogonal OAM beams …

Optical communication is an integral part of the modern economy, having all but replaced
electronic communication systems. Future growth in bandwidth appears to be on the horizon …

Structured light refers to the ability to tailor optical patterns in all its degrees of freedom, from
conventional 2D transverse patterns to exotic forms of 3D, 4D, and even higher-dimensional …

Quantum photonic platforms have proven to be essential in realizing fundamentally secure
quantum transfer of information, with commercially ready systems already deployed in …

The availability of static tiny optical devices is mandatory to reduce the complexity of optical
paths that typically use dynamic optical components and/or many standard elements for the …

Quantum secret sharing (QSS) is essential for multiparty quantum communication, which is
one of cornerstones in the future quantum internet. However, a linear rate-distance limitation …

Quantum secret sharing is the art of securely sharing information between more than two
people in such a way that its reconstruction requires the collaboration of a certain number of …

Perfect vortices, whose ring profile is independent of the topological charge, play a key role
in telecommunications and particle micro-manipulation. In this work, we report the compact …

Perfect vortices have attracted considerable attention as orbital angular momentum (OAM)
beams with customizable ring-like intensity distribution. More recently, the non-separable …