Zobrazeno 1 - 10
of 284
pro vyhledávání: '"Wang Zhizhang"'
Autor:
Wang Zhizhang, Li Xueyun, Ji Jitao, Sun Zhenxing, Sun Jiacheng, Fang Bin, Lu Jun, Li Shaobo, Ma Xiang, Chen Xiangfei, Zhu Shining, Li Tao
Publikováno v:
Nanophotonics, Vol 13, Iss 13, Pp 2429-2436 (2024)
Fast scanning speed and low-power consumption are becoming progressively more and more important in realizing high-performance chiplet optical phased arrays (OPAs). Here, we successfully demonstrated integrated OPAs with multiple waveguides channels
Externí odkaz:
https://doaj.org/article/b6492a7420b845e0b643da7da88815b5
Autor:
Wang Zhizhang, Ji Jitao, Ye Xin, Chen Yuxin, Li Xueyun, Song Wange, Fang Bin, Chen Ji, Zhu Shining, Li Tao
Publikováno v:
Nanophotonics, Vol 12, Iss 13, Pp 2425-2432 (2023)
Optical phased array (OPA), as a promising beam steering technology, however, usually suffers from a narrow field of view (FOV) that limits its performances in applications. A miniaturized compact strategy to enlarge the beam steering angle is quite
Externí odkaz:
https://doaj.org/article/3ec505982962422ca7734bd3c7dfa460
Publikováno v:
Nanophotonics, Vol 11, Iss 9, Pp 1923-1930 (2021)
Metasurfaces have manifested unprecedented capabilities in manipulating light by subwavelength unit cells, facilitating the miniaturization and multifunctions of optical systems. On the other hand, lithium niobate on insulator (LNOI) technology is re
Externí odkaz:
https://doaj.org/article/1453d404051d4f6ca4e1fe5b56d270eb
Publikováno v:
Razón Crítica, Iss 13 (2022)
Durante los últimos veinte años, el auge económico de China ha estado acompañado por mayores ambiciones y por una política exterior cada vez más asertiva. Estos factores han introducido numerosos elementos de innovación y cambio en los mercado
Externí odkaz:
https://doaj.org/article/3f5ca35897604c29ab2f1a10ce806d4d
Publikováno v:
Razón Crítica, Iss 13 (2022)
En 2020, China eliminó la pobreza regional general y terminó la ardua tarea de resolver el problema de la pobreza absoluta. Aunque existe un problema real persistente de pobreza relativa, el riesgo objetivo de caer en una trampa de pobreza en las r
Externí odkaz:
https://doaj.org/article/645908af2c144f6d91f979433fa63b2a
Publikováno v:
Contemporary Social Sciences (2020)
Poverty eradication is an important goal of African social development. China has always attached great importance to exchanges and cooperation with African countries in the field of poverty reduction and with the deepening of the practice and unde
Externí odkaz:
https://doaj.org/article/75a0fe433d8b4aa4b7fa29177c5e9b3b
Autor:
Wang, Zhizhang, Xiao, Ling
In this paper we construct explicit examples that show the sublevel sets of the solution of a $k$-Hessian equation defined on a convex ring do not have to be convex.
Externí odkaz:
http://arxiv.org/abs/2401.07373
Autor:
Zhong, Haozong, Zheng, Yong, Sun, Jiacheng, Wang, Zhizhang, Wu, b Rongbo, Zhang, Ling-en, Liang, Youting, Hua, Qinyi, Ning, Minghao, Ji, Jitao, Fang, Bin, Li, Lin, Li, Tao, Cheng, Ya, Zhu, Shining
Achieving spatiotemporal control of light at high-speeds presents immense possibilities for various applications in communication, computation, metrology, and sensing. The integration of subwavelength metasurfaces and optical waveguides offers a prom
Externí odkaz:
http://arxiv.org/abs/2311.08867
Autor:
Wang Zhizhang
Publikováno v:
Contemporary Social Sciences (2019)
Anti-Poverty has long been a major challenge facing both China and Africa. China-Africa anti-poverty cooperation has seen rapid progress since the founding of the People’s Republic of China, particularly following reform and opening-up, acquiring s
Externí odkaz:
https://doaj.org/article/529dd6a77d904fd49ba5cca139e54c4b
Autor:
Wang, Zhizhang, Li, Xueyun, Ji, Jitao, Sun, Zhenxing, Sun, Jiacheng, Fang, Bin, Lu, Jun, Chen, Xiangfei, Zhu, Shining, Li, Tao
Fast scanning-speed and low-power-consumption are becoming progressively more and more important in realizing high-performance chiplet optical phased arrays (OPAs). Here, we establish an integrated OPA based on thin-film lithium niobate-on-insulator
Externí odkaz:
http://arxiv.org/abs/2304.11591