Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Tianhua Feng"'
Autor:
Lei Wan, Zhiqiang Yang, Wenfeng Zhou, Meixun Wen, Tianhua Feng, Siqing Zeng, Dong Liu, Huan Li, Jingshun Pan, Ning Zhu, Weiping Liu, Zhaohui Li
Publikováno v:
Light: Science & Applications, Vol 11, Iss 1, Pp 1-11 (2022)
Abstract A highly efficient on-chip acousto-optic modulator is as a key component and occupies an exceptional position in microwave-to-optical conversion. Homogeneous thin-film lithium niobate is preferentially employed to build the suspended configu
Externí odkaz:
https://doaj.org/article/d76e67b3ea43446fadcda7579be52eff
Autor:
Fugen Wang, Jin Yuan, Shuaifeng Yang, Alexander A. Potapov, Xin Zhang, Zixian Liang, Tianhua Feng
Publikováno v:
Nanoscale. 15:4982-4990
Interaction between optical and mechanical waves can be strengthened by a compact ring resonator consisting of a few silicon nanoparticles.
Autor:
Alexander A. Potapov, Vitaly A. German, Andrey A. Pakhomov, Vladimir I. Grachev, Wei Zhang, Tianhua Feng
Publikováno v:
The Journal of Engineering (2019)
The present work develops the mathematical base of ill-posed inverse problems in optics, as well as a method of processing and reconstructing scenes from incomplete information of their Fourier spectra. This problem is a part of the general problem o
Externí odkaz:
https://doaj.org/article/a185abed3dd2416faf6688a9a36541c8
Autor:
Wei Zhang, Lei Wan, Yiqiu Wei, Shiqi Jia, Shechang Gao, Tianhua Feng, Weiping Liu, Zhaohui Li
Publikováno v:
Optics letters. 47(19)
This study successfully implements spectrally distinguishable CdSe-ZnS core–shell colloidal quantum dot (CQD) microlasers by a simple, efficient spray printing technique and demonstrates its potential in biosensing. We have systematically character
Autor:
Bin Zhang, Dong Liu, Siqing Zeng, Xiaojie Guo, Lei Wan, Wentao Peng, Tianhua Feng, Jingshun Pan, Jingcui Song, Zhaohui Li, Mingjie Zhang
Publikováno v:
Journal of Lightwave Technology. 39:5048-5053
In this work, we report experimental characterizations of stimulated Brillouin scattering (SBS) in low-loss Ge25Sb10S65 (GeSbS) chalcogenide waveguides. A 7-cm-long spiral waveguide with a propagation loss as low as 0.2 dB/cm and a microring resonato
Autor:
Zhiqiang Yang, Meixun Wen, Lei Wan, Tianhua Feng, Wenfeng Zhou, Dong Liu, Siqing Zeng, Shuixian Yang, Zhaohui Li
Publikováno v:
Optics letters. 47(15)
This Letter presents the first, to the best of our knowledge, thin-film lithium niobate–chalcogenide based microring acousto-optic modulator where an interdigital transducer and a chalcogenide strip waveguide are integrated on X-cut thin-film lithi
Publikováno v:
Front Optoelectron
Dielectric metasurfaces-based planar optical spatial differentiator and edge detection have recently been proposed to play an important role in the parallel and fast image processing technology. With the development of dielectric metasurfaces of diff
Publikováno v:
Nanophotonics, Vol 9, Iss 11, Pp 3629-3636 (2020)
Sub wavelength all-dielectric structures processing simultaneously electric and magnetic resonances provide a new horizon for tailoring magnetic light–matter interaction that is often overlooked in optical spectrum. In general, the magnetic field e
Dynamic Transmissive Metasurface for Broadband Phase‐Only Modulation Based on Phase‐Change Materials
Autor:
Shaobin Zhuo, Yan Li, Annan Zhao, Yu‐Ru Li, Shunyu Yao, Mingjie Zhang, Tianhua Feng, Zhaohui Li
Publikováno v:
Laser & Photonics Reviews. 17:2200403
Autor:
Min Ouyang, Haoyang Yu, Danping Pan, Lei Wan, Cheng Zhang, Shecheng Gao, Tianhua Feng, Zhaohui Li
Publikováno v:
Optica. 9:1022
Optical encryption has attracted attention recently as information security becomes important in modern society. For most encryption methods based on metasurfaces, however, information is encrypted into the metasurfaces of physical forms, limiting in