Towards higher-dimensional structured light

C He, Y Shen, A Forbes - Light: Science & Applications, 2022 - nature.com
Structured light refers to the arbitrarily tailoring of optical fields in all their degrees of freedom
(DoFs), from spatial to temporal. Although orbital angular momentum (OAM) is perhaps the …

Generation of photon orbital angular momentum and its application in space division multiplexing

TM Olaleye, PA Ribeiro, M Raposo - Photonics, 2023 - mdpi.com
In the last three decades, light's orbital angular momentum (OAM) has been of great interest
because it has unique characteristics that make it sought after in many research fields …

Advances in orbital angular momentum lasers

A Forbes - Journal of Lightwave Technology, 2022 - ieeexplore.ieee.org
As we celebrate 30 years since light's orbital angular momentum (OAM) was connected to its
spatial structure, we reflect on the advances made in fundamental science and applications …

[HTML][HTML] Quantum structured light in high dimensions

I Nape, B Sephton, P Ornelas, C Moodley, A Forbes - APL Photonics, 2023 - pubs.aip.org
Structured light has become topical of late, where controlling light in all its degrees of
freedom has offered novel states of light long predicted, enhanced functionality in …

Measuring dimensionality and purity of high-dimensional entangled states

I Nape, V Rodríguez-Fajardo, F Zhu, HC Huang… - Nature …, 2021 - nature.com
High-dimensional entangled states are promising candidates for increasing the security and
encoding capacity of quantum systems. While it is possible to witness and set bounds for the …

Aberration-induced vortex splitting in amplified orbital angular momentum beams

J Harrison, WT Buono, A Forbes, D Naidoo - Optics Express, 2023 - opg.optica.org
Here we report the generation and power amplification of higher-order (l= 2) orbital angular
momentum (OAM) beams using a compact end-pumped Nd: YAG Master-Oscillator-Power …

MEMS-metasurface–enabled mode-switchable vortex lasers

C Wang, C Meng, X Mei, L Gui, PCV Thrane… - Science …, 2024 - science.org
Compared to conventional lasers limited to generating static modes, mode-switchable lasers
equipped with adjustable optics significantly enhance the flexibility and versatility of …

Red, orange, and dual wavelength vortex emission from Pr: WPFGF fiber laser using a microscope slide output coupler

WR Kerridge-Johns, A Srinivasa Rao, Y Fujimoto… - Optics …, 2023 - opg.optica.org
Visible vortex beams have a large array of applications; however, the sources are often
large or complex. Here, we present a compact vortex source with red, orange, and dual …

Generating large topological charge Laguerre–Gaussian beam based on 4K phase-only spatial light modulator

R Li, Y Ren, T Liu, C Wang, Z Liu, J Zhao… - Chinese Optics …, 2022 - opg.optica.org
The resolution of the spatial light modulator (SLM) screen and the encoding algorithm of the
computer-generated hologram are the primary limiting factors in the generation of large …

Intersecting of circular apertures to measure integer and fractional topological charge of vortex beams

N Daryabi, SG Sabouri - Optics Express, 2023 - opg.optica.org
Diffraction patterns of optical vortex beams (VBs) by differently shaped apertures are used to
determine their topological charge (TC). In this paper, we show by simulations and …