Optical orbital angular momentum multiplexing communication via inversely-designed multiphase plane light conversion

J Fang, J Li, A Kong, Y Xie, C Lin, Z Xie, T Lei… - Photonics …, 2022 - opg.optica.org
Multiplexing and demultiplexing of optical orbital angular momentum (OAM) are critical
operations in mode-division multiplexing communications. Traditional Dammann gratings …

Demonstration of km-scale orbital angular momentum multiplexing transmission using 4-level pulse-amplitude modulation signals

L Zhu, C Yang, D Xie, J Wang - Optics letters, 2017 - opg.optica.org
By designing and fabricating two kinds of orbital angular momentum (OAM) fibers, we
demonstrate two OAM modes (OAM_+ 1 and OAM_− 1) multiplexing transmission and …

Integrated (de) multiplexer for orbital angular momentum fiber communication

Z Xie, S Gao, T Lei, S Feng, Y Zhang, F Li… - Photonics …, 2018 - opg.optica.org
The quickly increasing data transfer load requires an urgent revolution in current optical
communication. Orbital angular momentum (OAM) multiplexing is a potential candidate with …

Efficient dense orbital angular momentum demultiplexing enabled by quasi‐wavelet conformal mapping

H Cao, Y Liang, L Wang, Z Ruan… - Laser & Photonics …, 2023 - Wiley Online Library
Orbital angular momentum (OAM) has recently attracted increasing interest in optical
communications for capacity scaling by OAM mode‐division multiplexing (MDM). OAM (de) …

Extending orbital angular momentum multiplexing to radially high orders for massive mode channels in fiber transmission

A Kong, T Lei, D Wang, J Tu, L Shen, L Zhang, J Luo… - Optics Letters, 2023 - opg.optica.org
Orbital angular momentum (OAM) beams with different angular indices l have the potential
to greatly increase communication capacity. However, the finite aperture of optical systems …

Performance evaluation of analog signal transmission in an orbital angular momentum multiplexing system

S Li, J Wang - Optics letters, 2015 - opg.optica.org
We propose and experimentally demonstrate analog signal transmission in an orbital
angular momentum (OAM) multiplexing system. By employing two spatial light modulators …

Fiber coupler for generating orbital angular momentum modes

Y Yan, J Wang, L Zhang, JY Yang, IM Fazal, N Ahmed… - Optics letters, 2011 - opg.optica.org
We propose a fiber coupler consisting of a central ring and four external cores to generate
up to ten orbital angular momentum (OAM) modes. Four coherent input lights are launched …

Orbital-angular-momentum-based reconfigurable optical switching and routing

AE Willner, L Li, G Xie, Y Ren, H Huang, Y Yue… - Photonics …, 2016 - opg.optica.org
Orbital angular momentum (OAM) has gained interest due to its potential to increase
capacity in optical communication systems as well as an additional domain for …

100 Tbit/s free-space data link enabled by three-dimensional multiplexing of orbital angular momentum, polarization, and wavelength

H Huang, G Xie, Y Yan, N Ahmed, Y Ren, Y Yue… - Optics letters, 2014 - opg.optica.org
We investigate the orthogonality of orbital angular momentum (OAM) with other multiplexing
domains and present a free-space data link that uniquely combines OAM-, polarization-, and …

Orbital angular momentum multiplexing and demultiplexing by a single metasurface

Y Li, X Li, L Chen, M Pu, J Jin… - Advanced Optical …, 2017 - Wiley Online Library
Orbital angular momentum (OAM) has recently gained much interest in high‐speed optical
communication due to its spatial orthogonality. However, complex spatial phase distributions …