Zobrazeno 1 - 10
of 109
pro vyhledávání: '"Yasha Yi"'
Publikováno v:
Photonics, Vol 11, Iss 3, p 243 (2024)
Optical phased arrays (OPAs) are renowned for their exceptional ability to manipulate and direct light beams, positioning them as an ideal choice for solid-state light detection and ranging (LiDAR) technologies. This review provides a comprehensive e
Externí odkaz:
https://doaj.org/article/66556e4f68394314b886297d91e37c31
Publikováno v:
Nanomaterials, Vol 10, Iss 11, p 2121 (2020)
Light trapping in single nanowires (NWs) is of vital importance for photovoltaic applications. However, circular NWs (CNWs) can limit their light-trapping ability due to high geometrical symmetry. In this work, we present a detailed study of light tr
Externí odkaz:
https://doaj.org/article/37a37b78b06d41eda8c39adc1f376f1d
Autor:
Wenfu Liu, Xiaolei Guo, Shule Xing, Haizi Yao, Yinling Wang, Liuyang Bai, Qi Wang, Liang Zhang, Dachuan Wu, Yuxiao Zhang, Xiao Wang, Yasha Yi
Publikováno v:
Nanomaterials, Vol 10, Iss 9, p 1740 (2020)
Single nanowires (NWs) are of great importance for optoelectronic applications, especially solar cells serving as powering nanoscale devices. However, weak off-resonant absorption can limit its light-harvesting capability. Here, we propose a single N
Externí odkaz:
https://doaj.org/article/e816e108e73943e5a36aa54b255247f6
Publikováno v:
Optical Materials Express.
Autor:
Vishva Ray, Joshua R. Hendrickson, Dachuan Wu, Yasha Yi, Jixi Lu, Chandriker Kavir Dass, Mao Ye
Publikováno v:
IEEE Photonics Technology Letters. 33:844-847
Planar optical device with continuous phase shifting (CPS) has raised widespread interest recently. Formed by subwavelength micro/nano structures, planar optics are able to control wavefront in multi aspects including phase and polarization. Most pha
Publikováno v:
Optics letters. 47(8)
Integrated optical phased array (OPA) devices have been widely studied as a solution for solid-state light detection and ranging technology in the autonomous driving application. In this work, a phase-combining unit (PCU) is proposed and studied. Wit
Publikováno v:
IEEE Photonics Technology Letters. 32:251-254
Metalens as one of the most popular applications of emmerging optical metasurfaces has raised widspread interest recently. With nano structures fully controlling phase, polarization and transmission, metalens has achieved comparable performance of co
Publikováno v:
Optics Letters. 48:968
The traditional photonic integrated circuit (PIC) inherits the mature CMOS fabrication process from the electronic integrated circuit (IC) industry. However, this process also limits the PIC structure to a single-waveguide-layer configuration. In thi
Autor:
Dachuan Wu, Yasha Yi
Publikováno v:
2021 IEEE Research and Applications of Photonics in Defense Conference (RAPID).
OPA device has been widely studied for solid-state Lidar. We have investigated a multi-layers SiN/SiO structure to end-fire the beam with high efficiency. The advantage of the structure, simulation result and fabrication feasibility are discussed. In
Publikováno v:
Applied optics. 60(3)
Silicon-based optical phased arrays (OPAs) have been widely explored, while the design of the structure with high sidelobe level reduction, remains a big challenge. This work investigated the optimization of the optical path-modulated 3D OPAs with