In the last twenty years, optical networks have witnessed recurrent changes in their
management and control architecture. In this paper, we present a historical timeline and a …

There is growing interest in using multiple multiplexed orthogonal orbital angular momentum
(OAM) beams to increase the data capacity of communication systems in different frequency …

The generation of rapidly tunable optical vortex (OV) beams is one of the most demanding
research areas of the present era as they possess orbital angular momentum (OAM) with …

Due to the mutual orthogonality among different orbital angular momentums (OAMs), vortex
beams (VB) carrying OAMs have been widely employed in the form of encoding/decoding or …

We experimentally generate an orbital-angular-momentum (OAM) beam with a tunable
mode order over a range of wavelengths utilizing an integrated broadband pixel-array OAM …

To overcome the upcoming famine of channel capacity driven by explosive increases of new
applications, optical orbital angular momentum (OAM) carried by a vortex beam has been …

Optical orbital angular momentum (OAM) mode multiplexing has emerged as a promising
technique for boosting communication capacity. However, most existing studies have …

In this paper, we propose a bilayer metasurface with dual-operating modes to realize the
generation and conversion of dual-band Laguerre-Gaussian beam with different OAM. The …

A two-layer switch exploiting orbital angular momentum (OAM) and wavelength of the light
as switching domains is presented, aiming to increase the scalability with respect to the …

We experimentally utilize a tunable, broadband pixel-array-based integrated receiver for
recovering orbital-angular-momentum (OAM) multiplexed channels. The OAM receiver …