Results 21 to 30 of about 2,894,233 (286)
Photonics, 2023 The small number of pixels in the current linear mode avalanche photodiode (LM-APD) array limits its three-dimensional (3D) imaging resolution. We use an optical phased array-based beam array subdivided pixel method to improve the 3D imaging resolution ...
Shuai Wang +7 more
doaj +1 more source
Underwater Wireless Laser-Based Communications Using Optical Phased Array Antennas
IEEE Photonics Journal, 2023 An underwater optical wireless communication system concept based on optical phased array antennas is presented. With this optical phased array, a laser beam can be electronically steered to adjust not only the azimuth and elevation angles, but also the ...
Ali Derakhshandeh +2 more
doaj +1 more source
Low sidelobe silicon optical phased array with Chebyshev amplitude distribution [PDF]
NanophotonicsDaoxin Dai, Yaocheng Shi, Shi Zhao
exaly +2 more sources
Radial phased-locked Laguerre-Gaussian correlated schell-model beam array
Heliyon, 2022 A new beam array called radial phased-locked Laguerre-Gaussian correlated Schell-model (LGCSM) beam array is presented, the beamlet of this beam array is partially coherent beam with Laguerre Gaussian-Schell model correlation.
Yaotian Yan +5 more
doaj +1 more source
Reprogrammable optical phase array
Applied Optics, 2007 A novel reprogrammable optical phase array (ROPA) device is presented as a reconfigurable electro-optic element. One specific application of the ROPA, a 1 x 6 electro-optic space switch, is fully described. Switching angles are within 2 degrees , and switching is achieved through a complementary metal-oxide semiconductor (CMOS) controlled, diffraction ...
Madeleine, Mony +6 more
openaire +4 more sources
An Up/Downstream Shared Optical Beam Forming Network for Remote Phased Array Antenna
IEEE Photonics Journal, 2021 An up/downstream shared optical beam forming network based on wavelength-swept for remote phased array antenna is presented and experimentally demonstrated.
Yao Meng +4 more
doaj +1 more source
Microwave Photonic Array Radars
IEEE Journal of Microwaves, 2021 Phased array radars have remarkable advantages over radars with single-element antenna in terms of agility, flexibility, robustness, and reconfigurability.
Shilong Pan +3 more
doaj +1 more source
IEEE Photonics Journal, 2021 We propose the silicon photonic optical phased array (OPA) with large scanning angle by using polarization multiplexing. A Mach-Zehnder interferometer (MZI) switch together with a polarization splitter/rotator is utilized to select the ...
Xibo Yan +3 more
doaj +1 more source
Large-Scale Integrated Multi-Lines Optical Phased Array Chip
IEEE Photonics Journal, 2020 We design and integrate four optical phased arrays (OPAs) in a single chip. Each OPA possesses different output grating period. Furthermore, we use optical switches to select one or more OPAs for beam scanning. We demonstrate the longitudinal scanning by
Lan-Xuan Zhang +11 more
doaj +1 more source
Millimeter-Wave Phased Arrays in Silicon [PDF]
, 2007 Integration of mm-wave multiple-antenna systems on silicon-based processes enables complex, low-cost systems for high-frequency communication and sensing applications.
Natarajan, Arun Sridhar
core +1 more source