BACKGROUND Optical vortices provide one of the promising solutions for enhancing the
capacity of data multiplexing to meet an unprecedented growth in big data and internet traffic …

Herein, we have discussed three major methods which have been generally employed for
the generation of optical beams with orbital angular momentum (OAM). These methods …

An integrated way to generate and manipulate higher-order Poincaré sphere beams
(HOPBs) is a sought-after goal in photonic integrated circuits for high-capacity …

Miniaturization and integration of multiple optical components in one chip are important
trends in the future development of optical chips. Despite various on‐chip multifunctional …

Optoplasmonic whispering‐gallery‐mode (WGM) microcavities, consisting of plasmonic
nanostructures and optical microcavities, provide excellent platforms for exploring …

Since the second half of the 20th century, ideas to develop methods for the formation of
optical vortices (OVs) or OV beams–regions of circular motion of energy flow in an …

Terahertz (THz) vortex waves carrying orbital angular momentum (OAM) hold great potential
in dealing with the capacity crunch in wireless high-speed communication systems …

Hybrid microresonators have served an intriguing platform for fundamental research and
applied photonics. Here, we study the plasmonics-engineered coupling between …

Orbital angular momentum and polarization states of highly focused vector vortex beams
can be engineered to selectively excite the desired multipoles in nanoparticles, making them …

Twisted light, with spatially varying phase or polarization, has given rise to various
applications, such as micro-particle manipulation, optical communication, and quantum …