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
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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
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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
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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
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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
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All-Solid-State Beam Steering via Integrated Optical Phased Array Technology [PDF]
Micromachines, 2022 Light detection and ranging (LiDAR), combining traditional radar technology with modern laser technology, has much potential for applications in navigation, mapping, and so on.
Shi Zhao, Jingye Chen, Yaocheng Shi
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Wide-angle non-uniform optical phased array using compact and efficient antenna design [PDF]
Scientific ReportsIn the need for a more compact and efficient optical phased array with a wide steering beam for LIDAR applications, a wide steering array with high resolution is desirable.
Omar E. Elsheikh, Mohamed A. Swillam
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Optimization of a programmable λ/2-pitch optical phased array [PDF]
NanophotonicsA challenge in optical phased arrays (OPAs) is to achieve single-lobe emission using densely spaced emitters without incurring inter-waveguide optical crosstalk.
Sharma Ankita +7 more
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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
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Optical phased array LiDAR chips towards polarization-resolved 4D sensing [PDF]
Nature CommunicationsOptical phased array (OPA)-based LiDAR technology provides high-speed, solid-state sensing for autonomous vehicles, robotics, and aerial systems. However, current OPA-based LiDAR platforms lack the ability to accurately recognize and classify materials ...
Zihao Wang +10 more
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