Zobrazeno 1 - 10
of 54
pro vyhledávání: ''
Publikováno v:
Results in Physics, Vol 23, Iss, Pp 104057-(2021)
All-dielectric metasurfaces have attracted extensive attention because of their ability to control electromagnetic waves with low loss. However, compared with the research on the physical basis of a single nanoparticle controlling electromagnetic wav
Autor:
Jahangir Khan, Jianxin Ren, Gul Zameen Khan, Sibghat Ullah, Yaya Mao, Rahat Ullah, Mingye Li, Jianye Zhao, Shuaidong Chen
Publikováno v:
Results in Physics, Vol 22, Iss, Pp 103849-(2021)
A new mechanism for ultra-wide and tunable self-oscillating optical frequency comb (OFC) based on a novel frequency tunable optoelectronic oscillator (OEO) is proposed using cascaded configuration of optical phase-modulator (PM) and electro-absorptio
Publikováno v:
Results in Physics, Vol 22, Iss, Pp 103886-(2021)
To the best of our knowledge, this paper presents the first self-referenced polarization-maintaining (PM) Er: nonlinear polarization evolution-based fiber frequency comb. A short PM fiber section segment acts as an artificial saturable absorber and c
Publikováno v:
Results in Physics, Vol 12, Iss, Pp 143-146 (2019)
To identify spectral information obtained from the prism - grating imaging spectrometer, it is essential to know the center wavelength for each spectral channel. In this letter, the wavelength calibration principle of push-broom imaging spectrometers
Publikováno v:
Results in Physics, Vol 12, Iss, Pp 1044-1049 (2019)
The effect of alignment error on the coupling efficiency and beam quality of a Gaussian beam coupled into a large-core multimode fiber is studied in this paper. The equations for evaluating the effect of alignment error on the coupling efficiency are
Autor:
Fan Shuanglin, Xu Yan, Xiaodong Zeng, Yutao Liu, Chen Kun, Rui Wang, Changqing Cao, Song Qi, Ning Jinna, Ting Wang, Wang Xian
Publikováno v:
Results in Physics, Vol 12, Iss, Pp 1450-1454 (2019)
In this paper, we propose and demonstrate a RoF system based on polarization multiplexing and carrier suppression to generate frequency eightfold millimeter-wave. The proposed scheme is based on one single drive Mach-Zehnder modulator and a polarizat
Autor:
Milivoj R. Belic, Fangwei Ye, Rong Wang, Yanpeng Zhang, Lei Zhang, Yiqi Zhang, Jingwen Zhang, Hua Zhong
Publikováno v:
Results in Physics, Vol 12, Iss, Pp 996-1001 (2019)
We investigate topological insulator properties of the kagome helical waveguide array, by utilizing theoretical and numerical means. The time-reversal symmetry of the kagome lattice is broken by helicity, and a photonic topological insulator is forme
Publikováno v:
Results in Physics, Vol 11, Iss, Pp 1110-1118 (2018)
In this letter, we deduce the approximate analytical formula for the finite Airy beam propagating in the misaligned slab system with a rectangular aperture by using the generalized Huygens-Fresnel integral equation, the light transfer matrix and expa
Publikováno v:
Results in Physics, Vol 11, Iss, Pp 837-841 (2018)
All-optical logic gates based on metallic waveguide arrays (MWGAs) are proposed. The supermodes of surface plasmon polaritons (SPPs) are excited selectively by different input fields. According to the field distribution of different input fields, the
Autor:
Ghanshyam Singh, Kenneth T. V. Grattan, I. S. Amiri, M. Bunrungses, Nithiroth Pornsuwancharoen, Phichai Youplao, Preecha P. Yupapin, Muhammad Safwan Abd Aziz, Muhammad Arif Jalil, Jalil Ali, K. Chaiwong
Publikováno v:
Results in Physics, Vol 10, Iss, Pp 18-21 (2018)
© 2018 The Authors We propose a new variant of electro-optic multiplexing scheme using the boxcar filter arrangement. The circuits consist of multistage add-drop multiplexers that can offer external input-output connections. Input from a single ligh