Intensive and Efficient Design of a Two-dimensional 8 × 8 Silicon-Based Optical Phased Array Transceiver [PDF]
Sensors, 2023 In recent years, the silicon-based optical phased array has been widely used in the field of light detection and ranging (LIDAR) due to its great solid-state steering ability.
Yaoyuan Zhang +6 more
doaj +4 more sources
Underwater Wireless Laser-Based Communications Using Optical Phased Array Antennas [PDF]
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 +4 more sources
High-Efficiency, Wide Working Bandwidth Antenna Based on SOI Platform for Optical Phased Array [PDF]
Micromachines, 2021 A novel structure of a subwavelength surface optical antenna for optical phased array is proposed in this paper. An asymmetric vertical grating structure is applied to achieve high emission efficiency (73% at 1550 nm).
Zihao Wang +5 more
doaj +4 more sources
Active optical phased array integrated within a micro-cantilever [PDF]
Communications EngineeringThree dimensional sensing is essential in order that machines may operate in and interact with complex dynamic environments. Solid-state beam scanning devices are seen as being key to achieving required system specifications in terms of sensing range ...
Sylvain Guerber +7 more
doaj +4 more sources
Silicon Optical Phased Array Hybrid Integrated with III–V Laser for Grating Lobe-Free Beam Steering [PDF]
PhotonicsA silicon photonics-based optical phased array (OPA) is promising for realizing solid-state and miniature beam steering. In our work, a 1 × 16 silicon optical phased array (OPA) hybrid integrated with a III–V laser is proposed and demonstrated. The III–V
Jingye Chen +5 more
doaj +3 more sources
Thinned Linear Optical Phased Array Design Through a Pareto-Optimal Synthesis Strategy. [PDF]
Sensors (Basel)The design of a thinned linear optical phased array (OPA) comprising a collection of waveguide grating antennas (WGAs) is addressed in this work. Given a fully populated linear OPA with antennas located in a uniform grid, the problem of selecting which ...
Yang X, Anselmi N, Rocca P.
europepmc +4 more sources
Energy-efficient integrated silicon optical phased array [PDF]
Frontiers of Optoelectronics, 2023 An optical phased array (OPA) is a promising non-mechanical technique for beam steering in solid-state light detection and ranging systems. The performance of the OPA largely depends on the phase shifter, which affects power consumption, insertion loss ...
Huaqing Qiu +5 more
doaj +2 more sources
Polarization Multiplexing Silicon-Photonic Optical Phased Array for 2D Wide-Angle Optical Beam Steering [PDF]
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 +2 more sources
Ultra-Compact and Broadband Nano-Integration Optical Phased Array [PDF]
Nanomaterials, 2023 The on-chip nano-integration of large-scale optical phased arrays (OPAs) is a development trend. However, the current scale of integrated OPAs is not large because of the limitations imposed by the lateral dimensions of beam-splitting structures.
Zhicheng Wang +7 more
doaj +2 more sources
Integrated circular optical phased array [PDF]
EPJ Web of Conferences, 2021 Existing OPAs are typically based on 2D rectangular arrays or 1D linear arrays. Both approaches present a limited field-of-view (FOV) due to the presence of the grating lobes when the element spacing is larger than λ/2.
Liu Qiankun +5 more
doaj +2 more sources