Separating arbitrary free-space beams with an integrated photonic processor

M Milanizadeh, SM SeyedinNavadeh… - Light: Science & …, 2022 - nature.com
Free-space optics naturally offers multiple-channel communications and sensing exploitable
in many applications. The different optical beams will, however, generally be overlap** at …

Integrated structured light manipulation

J Wang, K Li, Z Quan - Photonics Insights, 2024 - spiedigitallibrary.org
Structured light, also known as tailored light, shaped light, sculpted light, or custom light,
refers to a series of special light beams with spatially variant amplitudes and phases …

High efficiency multimode waveguide grating coupler for few-mode fibers

X Zhou, HK Tsang - IEEE Photonics Journal, 2022 - ieeexplore.ieee.org
We describe a novel high coupling efficiency multimode waveguide grating coupler which
uses a polysilicon overlay numerically optimized to improve both the directivity and mode …

[HTML][HTML] Inverse design of a binary waveguide crossing by the particle swarm optimization algorithm

K Goudarzi, M Lee - Results in Physics, 2022 - Elsevier
This paper describes the inverse design of the particle swarm optimization algorithm
combined with the three-dimensional finite-difference time-domain simulation to design a …

Ultra‐Compact and Efficient Integrated Multichannel Mode Multiplexer in Silicon for Few‐Mode Fibers

W Zhou, Z Zhang, H Chen, HK Tsang… - Laser & Photonics …, 2024 - Wiley Online Library
Abstract Space‐division multiplexing (SDM) is one of the key enabling technologies to
increase the capacity of fiber communication systems. However, implementing SDM‐based …

[HTML][HTML] Silicon photonic integrated circuit for high-resolution multimode fiber imaging system

G Hu, K Zhong, Y Qin, HK Tsang - APL Photonics, 2023 - pubs.aip.org
We propose and demonstrate a silicon photonic integrated circuit (PIC) for exciting different
spatial modes launched into a multimode-fiber (MMF) speckle imaging system. The PIC …

Efficient mode coupling/(de) multiplexing between a few-mode fiber and a silicon photonic chip

X Yi, W Zhao, L Zhang, Y Shi, D Dai - Photonics Research, 2024 - opg.optica.org
Mode-division multiplexing (MDM) has attracted much attention due to its ability to further
increase the transmission capacity of optical interconnects. While further developments of …

Fiber-chip link via mode division multiplexing

OAJ Gordillo, A Novick, OL Wang… - IEEE Photonics …, 2023 - ieeexplore.ieee.org
Applying mode division multiplexing techniques to a fiber-chip link would greatly increase its
communication bandwidth. However, its implementation is difficult due to the huge higher …

Empowering high-dimensional optical fiber communications with integrated photonic processors

K Lu, Z Chen, H Chen, W Zhou, Z Zhang… - Nature …, 2024 - nature.com
Mode-division multiplexing (MDM) in optical fibers enables multichannel capabilities for
various applications, including data transmission, quantum networks, imaging, and sensing …

Efficient integrated tri-modal coupler for few-mode fibers

JL Pita Ruiz, LG Rocha, J Yang, ŞE Kocabaş, MJ Li… - Optics express, 2022 - opg.optica.org
This paper demonstrates a high-efficiency vertical grating coupler for the LP01 x, LP11 ax,
and LP11 bx modes of a graded-index few-mode fiber. The coupler is composed of a non …