نتایج جستجو برای: tm polarization

تعداد نتایج: 84265  

Journal: :Frontiers in Physics 2021

In this paper we demonstrate that by breaking the left/right symmetry in a bi-planar double-silicon on insulator (SOI) photonic crystal (PhC) fin-waveguide, can couple conventionally used transverse-electric (TE) polarized mode to transverse-magnetic (TM) polarization slot-mode. Finite difference time domain (FDTD) simulations indicate TE couples robust TM inside Brillouin zone. Broadband trans...

2016
Zhiyu Yan Biao Sun Xiaohui Li Jiaqi Luo Perry Ping Shum Xia Yu Ying Zhang Qi Jie Wang

We demonstrated a widely tunable Tm-doped mode-locked all-fiber laser, with the widest tunable range of 136 nm, from 1842 to 1978 nm. Nonlinear polarization evolution (NPE) technique is employed to enable mode-locking and the wavelength-tunable operation. The widely tunable range attributes to the NPE-induced transmission modulation and bidirectional pumping mechanism. Such kind of tunable mode...

Journal: :Optics letters 2010
L Sun S Jiang J D Zuegel J R Marciante

An all-fiber isolator with 17 dB optical isolation is demonstrated. The fiber Faraday rotator uses 56 wt. % terbium (Tb)-doped silicate fiber, and the fiber polarizers are Corning SP1060 single-polarization fiber. The effective Verdet constant of the Tb-doped fiber is measured to be -24.5+/-1.0 rad/(Tm) at 1053 nm, which is 20 times larger than silica fiber and 22% larger than previously report...

2013
I. V. Iorsh I. V. Shadrivov P. A. Belov Yu. S. Kivshar

We study electromagnetic waves localized near a surface of a semi-infinite dielectric medium covered by a layer of graphene in the presence of a strong external magnetic field. We demonstrate that a novel type of hybrid TE–TM polarized surface plasmons can propagate along the graphene layer. We analyze the effect of the Hall conductivity on the polarization properties of these hybrid surface wa...

2014

In section 4 of the main text we considered the formation of spin temperature in our samples. The Eexcite pro les detected at 7 K in Fig. 4a show only very little dependence on δνdetect, which could then be interpreted by introducing a very large TenZ values. This spin temperature should be equal to the nuclear Zeeman temperature, Tnz = TenZ , according to the TM-DNP description [18, 19], resul...

Journal: :Frontiers in Materials 2021

In this paper, we report a switchable ultra-wideband metamaterial absorber with polarization-insensitivity and wide-incident angle at THz band which is composed of VO 2 disk, polyimide dielectric substrate, gold ground plane. The results show that the absorption greater than 90% from 3.5–8 for temperature 300 K disappears when rises to 350 K. property our proposed insensitive polarization state...

2005
Steven Wolfman Marco Bozzano

We have tested our encoding generated by TM-LPSAT compiler on a number of problems of varying complexity and characteristics, using different SATbased arithmetic constraint solvers. The intention of the experiments 1 was to observe the feasibility of our encoding, the scalability of this approach in temporal metric domains, and how features of different constraint solvers react with characteris...

2012
Aurélien Bornet Roberto Melzi Sami Jannin Geoffrey Bodenhausen

Cross polarization can provide significant enhancements with respect to direct polarization of low-c nuclei such as C. Substantial gains in sample throughput (shorter polarization times) can be achieved by exploiting shorter buildup times sDNP( H) \ sDNP( C). To polarize protons rather than low-c nuclei, nitroxide radicals with broad ESR resonances such as TEMPO are more appropriate than Trityl...

2015
Junming Zhao Lianhong Zhang Jensen Li Yijun Feng Amy Dyke Sajad Haq Yang Hao

Transformation optics (TO) offers a geometrical approach in designing optical components of any shapes. Although it has been proven to be a versatile and robust mathematical tool, TO has, however, limited control over electromagnetic (EM) field polarization in the process of coordinate transformation. Such a technique can be extended to a so-called "Field transformation (FT)" which provides dir...

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