Diffractive optical elements 75 years on: from micro-optics to metasurfaces
Diffractive optical elements (DOEs) are intricately designed devices with the purpose of
manipulating light fields by precisely modifying their wavefronts. The concept of DOEs has …
manipulating light fields by precisely modifying their wavefronts. The concept of DOEs has …
Controlled generation of mode-switchable nanosecond pulsed vector vortex beams from a Q-switched fiber laser
We reported and demonstrated a ring Q-switched Ytterbium-doped fiber laser that can
generate mode-switchable nanosecond pulsed vector vortex beams between two different …
generate mode-switchable nanosecond pulsed vector vortex beams between two different …
Utilizing multiplexing of structured THz beams carrying orbital-angular-momentum for high-capacity communications
Structured electromagnetic (EM) waves have been explored in various frequency regimes to
enhance the capacity of communication systems by multiplexing multiple co-propagating …
enhance the capacity of communication systems by multiplexing multiple co-propagating …
Superfast and sub-wavelength orbital rotation of plasmonic particles in focused Gaussian beams
LM Zhou, X Zhu, Y Zheng, L Wang, C Huang… - Applied Physics …, 2023 - pubs.aip.org
The use of nanophotonics for optical manipulation has continuously attracted interest in both
fundamental research and practical applications, due to its significantly enhanced …
fundamental research and practical applications, due to its significantly enhanced …
Depolarization of vector light beams on propagation in free space
N Petrov - Photonics, 2022 - mdpi.com
Nonparaxial propagation of the vector vortex light beams in free space was investigated
theoretically. Propagation-induced polarization changes in vector light beams with different …
theoretically. Propagation-induced polarization changes in vector light beams with different …
Full-duplex cylindrical vector beam multiplexing communication using spin-dependent phase modulation metasurfaces
Q Zeng, J Wang, H Huang, H Wu, J Ren, L Nong… - Optics …, 2023 - opg.optica.org
Cylindrical vector beam (CVB) has recently gained attention as a promising carrier for signal
multiplexing owing to its mode orthogonality. However, the full-duplex multiplexing …
multiplexing owing to its mode orthogonality. However, the full-duplex multiplexing …
Rotational object detection at noncoaxial light incidence based on the rotational Doppler effect
S Qiu, Y Ding, T Liu, Z Liu, Y Ren - Optics Express, 2022 - opg.optica.org
The rotational Doppler effect (RDE) of optical vortex which can be used to detect the rotation
speed, has become a well-known phenomenon and a hot topic of research in recent years …
speed, has become a well-known phenomenon and a hot topic of research in recent years …
Polarized deep diffractive neural network for sorting, generation, multiplexing, and de-multiplexing of orbital angular momentum modes
The multiplexing and de-multiplexing of orbital angular momentum (OAM) beams are critical
issues in optical communication. Optical diffractive neural networks have been introduced to …
issues in optical communication. Optical diffractive neural networks have been introduced to …
Radial-mode sensitive probe beam in the rotational Doppler effect
The rotational Doppler effect (RDE) attracts much attention in various research areas, from
acoustics to optics. The observation of RDE mostly depends on the orbital angular …
acoustics to optics. The observation of RDE mostly depends on the orbital angular …
Compact implementation of high-dimensional mutually partially unbiased bases protocol
Transverse spatial mode of light is crucial in high-dimensional quantum key distribution
(QKD). However, applications in realistic scenarios suffer from mode-dependent loss and …
(QKD). However, applications in realistic scenarios suffer from mode-dependent loss and …