Zobrazeno 1 - 10
of 116
pro vyhledávání: '"Jijun Feng"'
Autor:
Wei Jiang, Jijun Feng, Shuo Yuan, Haipeng Liu, Zhiheng Yu, Cunliang Yang, Wenbo Ren, Xincheng Xia, Zhengjie Wang, Fengli Huang
Publikováno v:
Micromachines, Vol 15, Iss 6, p 666 (2024)
In this work, phase-apodized silicon grating filters with varying sidewall corrugation width and location were investigated, while the resonance wavelength, extinction ratio, and rejection bandwidth were tuned flexibly. The grating filters with a wav
Externí odkaz:
https://doaj.org/article/2ca29a39a95d48b8b7fd6a1de5946640
Autor:
Shuo Yuan, Jijun Feng, Zhiheng Yu, Jian Chen, Haipeng Liu, Yishu Chen, Song Guo, Fengli Huang, Ryoichi Akimoto, Heping Zeng
Publikováno v:
Nanomaterials, Vol 13, Iss 1, p 182 (2022)
Determining how to improve the non-uniformity of arrayed waveguide grating (AWG) is of great significance for dense wavelength division multiplexing (DWDM) systems. In this work, a silicon nanowire-assisted AWG structure is proposed, which can achiev
Externí odkaz:
https://doaj.org/article/a0df5b05313e4e02a54e5e376e601873
Publikováno v:
Materials, Vol 15, Iss 20, p 7339 (2022)
Ga2O3 has emerged as a promising ultrawide bandgap semiconductor for numerous device applications owing to its excellent material properties. In this paper, we present a comprehensive review on major advances achieved over the past thirty years in th
Externí odkaz:
https://doaj.org/article/c23e260bb8f44320a7f7f17f828f66fd
Publikováno v:
Nanomaterials, Vol 12, Iss 14, p 2447 (2022)
In this study, a tunable gourd-shaped ring resonator is demonstrated to generate optical bistability. The system consists of two sub-rings for a gourd shape configuration with a U-shaped wave guiding pathway. The transfer matrix method and FDTD simul
Externí odkaz:
https://doaj.org/article/9bcb4555558a4db6872df16bd9885599
Autor:
Haipeng Liu, Jijun Feng, Jinman Ge, Shanqing Zhuang, Shuo Yuan, Yishu Chen, Xiaojun Li, Qinggui Tan, Qinghua Yu, Heping Zeng
Publikováno v:
Nanomaterials, Vol 11, Iss 10, p 2645 (2021)
An ultra-compact broadband silicon polarizing beam splitter is proposed based on a tilted nano-grating structure. A light cross coupling can be realized for transverse-magnetic mode, while the transverse-electric light can almost completely output fr
Externí odkaz:
https://doaj.org/article/1ec15a3d3aaa447abc93721fc7569b20
Autor:
Yanxi Deng, Tianyu Lei, Yuanyuan Feng, Bo Zhang, Hongyu Ding, Qian Lu, Runsai Tian, Misbah Mushtaq, Wenjuan Guo, Mingming Yao, Jijun Feng
Publikováno v:
Ionics. 29:1029-1038
Autor:
Jingci Yan, Jijun Feng, Jinman Ge, Jian Chen, Feng Wang, Caiwei Xiang, Ding Wang, Qinghua Yu, Heping Zeng
Publikováno v:
IEEE Photonics Technology Letters. 34:77-80
Publikováno v:
Nanophotonics. 11:967-977
Bessel beam arrays are progressively attracting attention in recent years due to their remarkable non-diffracting nature and parallel manipulation capabilities in diverse applications. However, the poor phase discretization of conventional approaches
Autor:
Yanwei Huang, Kangzhe Wang, Qianying Yan, Yifan Wang, Xiangru Wang, Haipeng Liu, Jijun Feng, Fuling Zhang, Zhihua Feng, Georgios A. Siviloglou
Publikováno v:
Optics letters. 47(11)
Optical phased arrays (OPAs) can achieve non-mechanical beam deflection. Many types of OPA face the problem of low deflection efficiency due to the phase distortion induced by mutual coupling between nearby channels. In this Letter, a universal optim
Publikováno v:
Scripta Materialia. 193:122-126
We demonstrate a straightforward microwave-assisted sol-gel (MSG) process to facilely control the crystallization, ion doping and surface carbon coating synchronously for Li2Mn1−xCexSiO4@C (0 ≤ x ≤ 0.05) nanoparticles (NPs) through tuning the v