Results 1 to 10 of about 2,176 (250)

Millimeter-Long Silicon Photonic Antenna for Optical Phased Arrays at 2-μm Wavelength Band

open access: yesIEEE Photonics Journal, 2021
Silicon photonic optical phased arrays are promising solutions for solid-state LIDAR. But the nonlinear absorption significantly saturates the optical power in the waveguides at 1.5-μm wavelengths.
Dongliang Li   +4 more
doaj   +1 more source

Integrated optical phased arrays with circular architecture on a silicon platform [PDF]

open access: yesEPJ Web of Conferences, 2022
Optical phased arrays (OPAs) are now at the forefront of photonic research as a key beam steering technology for myriad of photonic applications, including in light detection and ranging (LIDAR), communications, and metrology, among others.
Benedikovic Daniel   +6 more
doaj   +1 more source

Review of Photonic Integrated Optical Phased Arrays for Space Optical Communication

open access: yesIEEE Access, 2020
A review of photonic integrated optical phased array (OPA) for space optical communication is presented. We review and summarize the typical works of the photonic integrated OPAs with one-dimensional and two-dimensional optical antenna array in recent ...
Jingwen He, Tao Dong, Yue Xu
doaj   +1 more source

Deep-Learning Assisted Control of Optical Phased Array: A Case Study

open access: yesIEEE Access, 2022
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 devices. In
Daniele Savio, Paolo Bardella
doaj   +1 more source

Arrays of Sub-Terahertz Cryogenic Metamaterial

open access: yesApplied Sciences, 2021
Integrated quasi-optical cryogenic terahertz receivers contain arrays of detectors, quasi-optical filters, interferometers, and other metamaterials. Matrices of quasi-optical band-pass, low-pass, and high-pass filters, Fabry–Perot grid interferometers ...
Mikhail Tarasov   +4 more
doaj   +1 more source

PROSPECTS FOR THE DEVELOPMENT OF PHASED ANTENNA ARRAYS

open access: yesВестник Дагестанского государственного технического университета: Технические науки, 2016
This article describes the main achievements in the development of phased antenna arrays (par) in the past decade. Provides an overview of the most famous systems based on the PAR and PAR based on MMIC technology - PAR in radar stations, PAR to control ...
A. P. Dzuba
doaj   +1 more source

Phase Calibration of On-Chip Optical Phased Arrays via Interference Technique

open access: yesIEEE Photonics Journal, 2020
Optical phased arrays (OPAs) are promising in various applications owing to their excellent beam steering performance but suffer from the random initial phases ruining the beam patterns. In this work, an interference-based calibration method to align the
Haiyang Zhang   +3 more
doaj   +1 more source

Polarization Effect on the Performance of On-Chip Wireless Optical Point-to-Point Links

open access: yesApplied Sciences, 2023
Optical on-chip wireless interconnection is an emerging technology that aims to overcome the communication bottleneck in computing architectures and in which multiple processing units are exploited for data-intensive applications.
Giovanna Calò   +5 more
doaj   +1 more source

Phased arrays: A strategy to lower the energy threshold for neutrinos

open access: yesEPJ Web of Conferences, 2017
In-ice radio arrays are optimized for detecting the highest energy, cosmogenic neutrinos expected to be produced though cosmic ray interactions with background photons.
Wissel Stephanie   +16 more
doaj   +1 more source

Novel Measures for Thermal Management of Silicon Photonic Optical Phased Arrays

open access: yesIEEE Photonics Journal, 2019
Silicon photonics has become a promising technology for fabrication of compact, highly integrated systems. When dealing with phase sensitive silicon photonic components, however, temperature control and in particular, reduction of temperature gradients ...
Pedro Andrei Krochin Yepez   +3 more
doaj   +1 more source

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