Silicon photonics for the visible and near-infrared spectrum

JKS Poon, A Govdeli, A Sharma, X Mu… - Advances in Optics …, 2024 - opg.optica.org
Emerging applications in quantum information, microscopy, biosensing, depth sensing, and
augmented reality demand miniaturized components in the visible (VIS) and near-infrared …

Fully integrated solid-state LiDAR transmitter on a multi-layer silicon-nitride-on-silicon photonic platform

W Xu, Y Guo, X Li, C Liu, L Lu, J Chen… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
We report a LiDAR transmitter incorporating both a hybrid-integrated tunable external cavity
laser and a high-resolution 2-D optical phased array beam-steerer. Widely tunable single …

[HTML][HTML] Experimental demonstration of inverse-designed silicon integrated photonic power splitters

J Kim, JY Kim, J Yoon, H Yoon, HH Park, H Kurt - Nanophotonics, 2022 - degruyter.com
The on-chip optical power splitter is a common and important device in photonic integrated
circuits (PICs). To achieve a low insertion loss and high uniformity while splitting the guided …

Overcoming the limitations of 3D sensors with wide field of view metasurface-enhanced scanning lidar

E Marinov, RJ Martins, MAB Youssef… - Advanced …, 2023 - spiedigitallibrary.org
Lidar, a technology at the heart of autonomous driving and robotic mobility, performs 3D
imaging of a complex scene by measuring the time of flight of returning light pulses. Many …

[HTML][HTML] Toward practical optical phased arrays through grating antenna engineering

Y Shuai, Z Zhou, H Su - Photonics, 2023 - mdpi.com
In recent years, using silicon-based waveguide grating antennas in optical phased array has
become a research focus. To date, this technique has not been widely implemented in …

Highly Tunable Cascaded Metasurfaces for Continuous Two‐Dimensional Beam Steering

L Zhang, L Zhang, R Xie, Y Ni, X Wu, Y Yang… - Advanced …, 2023 - Wiley Online Library
Cascaded metasurfaces can exhibit powerful dynamic light manipulation by mechanically
tuning the far‐field interactions in the layers. However, in most current designs, the …

Development of wafer-scale multifunctional nanophotonic neural probes for brain activity mapping

F Der Chen, A Sharma, DA Roszko, T Xue, X Mu… - Lab on a Chip, 2024 - pubs.rsc.org
Optical techniques, such as optogenetic stimulation and functional fluorescence imaging,
have been revolutionary for neuroscience by enabling neural circuit analysis with cell-type …

High-speed 2D beam steering based on a thin-film lithium niobate optical phased array with a large field of view

W Li, X Zhao, J He, H Yan, B Pan, Z Guo, X Han… - Photonics …, 2023 - opg.optica.org
An on-chip optical phased array (OPA) is considered as a promising solution for next
generation solid-state beam steering. However, most of the reported OPAs suffer from low …

[HTML][HTML] Inverse design of perimeter-controlled InAs-assisted metasurface for two-dimensional dynamic beam steering

R Sabri, H Mosallaei - Nanophotonics, 2022 - degruyter.com
The current commercially viable light detection and ranging systems demand continuous,
full-scene, and dynamic two-dimensional point scanning, while featuring large aperture size …

Silicon optical phased array with calibration-free phase shifters

W Li, J Chen, D Liang, D Dai, Y Shi - Optics Express, 2022 - opg.optica.org
Optical phased array (OPA) based on silicon photonics is considered as a promising
candidate for realizing solid-state beam steering. However, the high refractive index contrast …