Long-range LiDAR and free-space data communication with high-performance optical phased arrays

CV Poulton, MJ Byrd, P Russo… - IEEE Journal of …, 2019 - ieeexplore.ieee.org
We present high-performance integrated optical phased arrays along with first-of-their-kind
light detection and ranging (LiDAR) and free-space data communication demonstrators …

Unidirectional large-scale waveguide grating with uniform radiation for optical phased array

B Chen, Y Li, L Zhang, Y Li, X Liu, M Tao, Y Hou… - Optics express, 2021 - opg.optica.org
Two novel waveguide gratings for optical phased array transmitters are investigated. By
offsetting the grating structures along the waveguide on the upper and lower surfaces of the …

Multi-beam optical phase array for long-range LiDAR and free-space data communication

Y Wu, S Shao, Y Li, X Chen, D Che, J Chen… - Optics & Laser …, 2022 - Elsevier
We present a multi-beam optical fiber phased array (OPA) with simultaneous light detection
and ranging (LiDAR) and free-space optical communication (FSO) data transmission …

Optical phased arrays for integrated beam steering

CV Poulton, MJ Byrd, E Timurdogan… - 2018 IEEE 15th …, 2018 - ieeexplore.ieee.org
We present 512-element integrated optical phased arrays with low power operation (< 1 mW
total), large steering ranges (56°× 15°), and high-speed beam steering (10 ns phase shifter …

InP-based grating antennas for high-resolution optical beam steering

Y Wang, JP van Engelen, SFG Reniers… - IEEE Journal of …, 2019 - ieeexplore.ieee.org
Optical beam steerers on InP integrated photonics have not been able to offer high angular
resolution, due to the technological challenges in realizing a large emission aperture. In this …

Integrated communication and sensing system based on Si-SiN dual-layer optical phased array

Y Li, Z Wang, H Du, B Chen, J Song, M Tao - Optics Express, 2024 - opg.optica.org
Traditional free space optical communication (FSOC) and light detection and ranging (lidar)
are typically separate entities. Integrated communication and sensing systems (ICSS) can …

Butler matrix enabled multi-beam optical phased array for two-dimensional beam-steering and ranging

Z Zhou, W Xu, C Liu, R Xu, C Zhu, X Li, L Lu… - Photonics …, 2024 - opg.optica.org
Based on the wavelength transparency of the Butler matrix (BM) beamforming network, we
demonstrate a multi-beam optical phased array (MOPA) with an emitting aperture composed …

Focal Plane Array Chip With Integrated Transmit Antenna and Receive Array for LiDAR

L Yu, P Wang, P Ma, G Luo, Z Wang… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
The focal plane array (FPA) is a promising solution for light detection and ranging (LiDAR)
that offers advantages such as low optical loss, low power consumption, and a simple …

Optical system design for light detection and ranging with ultra-wide field-of-view using liquid lenses

H Choi, NC Park, WC Kim - Microsystem Technologies, 2020 - Springer
The light detection and ranging (LiDAR) technology is based on irradiating near-infrared
light and measuring the time-of-flight of the scattered light in an object. This technology is …

Silicon Photonic Antennas for Optical Phased Arrays

S Khajavi - 2024 - repository.library.carleton.ca
Optical interfaces play a key role in silicon photonics as they enable the efficient coupling of
optical signals between integrated photonic devices and the off-chip environment. As an off …