Fast beam steering enabled by a chip-scale optical phased array with 8 × 8 elements
Sign Up to like & getrecommendations! Published in 2020 at "Optics Communications"
DOI: 10.1016/j.optcom.2020.125267
Abstract: Abstract We present a two-dimensional (2D) optical phased array (OPA) with 8 × 8 elements in which light is electro-optically controlled by silicon phase modulators. The randomly distributed initial phases are calibrated through an interference technique to… read more here.
Keywords: beam steering; phased array; optical phased; beam ... See more keywords
All-plasmonic Optical Phased Array Integrated on a Thin-film Platform
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-10398-8
Abstract: Optical phased arrays have been demonstrated to enable a variety of applications ranging from high-speed on-chip communications to vertical surface emitting lasers. Despite the prosperities of the researches on optical phased arrays, presently, the reported… read more here.
Keywords: phased arrays; phased array; optical phased; plasmonic optical ... See more keywords
Compact solid-state optical phased array beam scanners based on polymeric photonic integrated circuits
Sign Up to like & getrecommendations! Published in 2021 at "Scientific Reports"
DOI: 10.1038/s41598-021-90120-x
Abstract: Optical phased array (OPA) devices are being actively investigated to develop compact solid-state beam scanners, which are essential in fields such as LiDAR, free-space optical links, biophotonics, etc. Based on the unique nature of perfluorinated… read more here.
Keywords: solid state; beam scanners; phased array; optical phased ... See more keywords
Wide‐angle 2D beam‐steering with Si‐based 16 × (1 × 16) optical phased arrays
Sign Up to like & getrecommendations! Published in 2020 at "Electronics Letters"
DOI: 10.1049/el.2019.3490
Abstract: The authors demonstrate integrated 1D optical phased arrays (OPAs) for wide-angle 2D beam-steering. The 2D OPA consists of 16 1D transversal steering OPAs whose radiators have different grating periods, to assign different longitudinal angles. The… read more here.
Keywords: beam steering; angle beam; wide angle; phased arrays ... See more keywords
Target-based coherent beam combining of an optical phased array fed by a broadband laser source
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Modern Optics"
DOI: 10.1080/09500340.2017.1343403
Abstract: Abstract The target-based phasing of an optical phased array (OPA) fed by a broadband master oscillator laser source is investigated. The specific scenario examined here considers an OPA phasing through atmospheric turbulence on a rough… read more here.
Keywords: target based; fed broadband; laser source; phased array ... See more keywords
Conventional surface micromachining process for the fabrication of a linear optical phased array based on piston micromirrors
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Micromechanics and Microengineering"
DOI: 10.1088/1361-6439/abfa7f
Abstract: Micro electromechanical system (MEMS) based optical phased array (OPA) technology generally demands narrow and tightly spaced suspended microstructures with high-aspect-ratio in the lateral dimensions. This paper presents an one dimensional OPA system which is fabricated… read more here.
Keywords: array; surface micromachining; optical phased; phased array ... See more keywords
Deep-Learning Assisted Control of Optical Phased Array: A Case Study
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3149115
Abstract: Modern raster scanning techniques and single pixel applications require a precise control of the field profiles radiated by Optical Phased Arrays, which can be controlled by external electrical signals modifying the optical paths inside these… read more here.
Keywords: assisted control; control optical; learning assisted; control ... See more keywords
A Nonuniform Sparse 2-D Large-FOV Optical Phased Array With a Low-Power PWM Drive
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2019.2896767
Abstract: Integrated optical phased arrays (OPAs) capable of adaptive beamforming and beam steering enable a wide range of applications. For many of these applications, a large scale 2-D OPA with full phase control for each radiating… read more here.
Keywords: process; power; low power; photonics ... See more keywords
Long-Range LiDAR and Free-Space Data Communication With High-Performance Optical Phased Arrays
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Journal of Selected Topics in Quantum Electronics"
DOI: 10.1109/jstqe.2019.2908555
Abstract: 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. First, record-performance optical phased array components are shown with low-power phase shifters and high-directionality waveguide… read more here.
Keywords: tex math; free space; inline formula; optical phased ... See more keywords
32 Gbps Data Transmission With 2D Beam-Steering Using a Silicon Optical Phased Array
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2020.2998162
Abstract: We demonstrate optical wireless transmission with two-dimensional (2D) beam-steering using an optical phased array (OPA). The OPA consists of 64-elements of electro-optic p-i-n phase shifters and thermo-optic tunable n-i-n grating radiators, employed for 2D beam-steering… read more here.
Keywords: steering using; beam steering; beam; transmission ... See more keywords
An On-Chip Calibration Method for Optical Phased Array With No Blind Spot in the Steering Range
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2023.3264633
Abstract: We demonstrate an on-chip phase calibration method in the silicon-based optical phased array (OPA) using multimode interferences (MMIs) and germanium silicon photodetectors (GeSi PDs), which are integrated at the end of the grating array. Two… read more here.
Keywords: phased array; calibration method; tex math; optical phased ... See more keywords