Results 91 to 100 of about 5,194 (200)

Compact Dual-Band Terahertz Metamaterial Sensor with High Absorptivity and Angular Stability for Material Characterization

Journal of High-Frequency Communication Technologies
This research investigates the design and performance analysis of a miniaturized, dual-band terahertz (THz) metamaterial sensor engineered for material sensing applications.
Jayanth J, Geethanjali Govindarajan, Kirubaveni Savarimuthu, Preetha Purusothaman   +3 more
doaj   +1 more source

The effect of composition modification on the optical polarization independence in semiconductor strain quantum wells [PDF]

, 1996
Polarization independent quantum well (QW) materials operating under electro-absorption effect in optical switching and modulation devices are of intense interest recently.
Choy, WCH, Feng, H, Li, EH, Kam, SK
core  

Polarization-Insensitive Plasmonic Photoconductive Terahertz Emitters [PDF]

, 2018
Terahertz waves have great potentials for security screening, medical imaging, and chemical identification. The use of plasmonic contact electrodes in photoconductive terahertz emitters has been very effective in enhancing terahertz radiation power and ...
Li, Xurong
core  

A highly absorptive ultra-wideband nanoscale metamaterial absorber for solar energy harvesting from ultraviolet to Infrared spectrum

Ain Shams Engineering Journal
This paper introduces a metamaterial absorber (MMA) with a unique design, exhibiting exceptional absorption capabilities across a wide range of wavelengths including ultraviolet, visible, and infrared.
Abdullah Al Mahfazur Rahman, Mohammad Tariqul Islam, Md. Moniruzzaman, Haitham Alsaif, Abdulwadoud A. Maash, Mohamed S. Soliman   +5 more
doaj   +1 more source

The Effect Of Composition Modification on the Optical Polarization Independence In Semiconductor Strain Quantum Wells

, 1995
Polarization independent quantum well (QW) materials operating under electroabsorption effect in optical switching and modulation devices are of intense interest recently.
Wallace C. H. Choy, E. Herbert Li, Hao Feng, S. K. Kam   +3 more
core   +1 more source

Liquid metal-based reconfigurable linear-to-multi-polarization conversion metasurfaces

Metasurfaces as advanced artificial materials enable a variety of electromagnetic control functions, especially polarization manipulation. The existing functional switching methods tend to produce a high system complexity and encounter challenges, such ...
Shao, Yanan, Deng, Yongbo, Gao, Shibo, Lin, Yu, Li, Bowen, Korvink, Jan G., Deng, Yongting   +6 more
core   +1 more source

Publisher Correction: Near-absolute polarization insensitivity in graphene based ultra-narrowband perfect visible light absorber. [PDF]

Sci Rep, 2018
Yildirim DU, Ghobadi A, Ozbay E.
europepmc   +1 more source

Polarization-insensitive electroabsorption by use of quantum well interdiffusion

, 1998
The use of interdiffusion in different as-grown square QW structures to produce a paraboliclike potential profile to achieve polarization insensitivity of electroabsorptive modulation was studied.
Li, EHerbert, Choy, Wallace CH
core  

Tunable polarization-independent and angle-insensitive ultra-broadband terahertz absorber with vanadium dioxide

Materials Research Express
In this paper, a tunable ultra-broadband terahertz metamaterial absorber is proposed based on the phase transition material of vanadium dioxide (VO _2 ).
Liang Dong, Huanqi Xiang, Lei Zhu, Yun Wang, Miaoxin Rong   +4 more
doaj   +1 more source

Low-Polarization, Broad-Spectrum Semiconductor Optical Amplifiers

Polarization-insensitive semiconductor optical amplifiers (SOAs) in all-optical networks can improve the signal-light quality and transmission rate. Herein, to reduce the gain sensitivity to polarization, a multi-quantum-well SOA in the 1550 nm band is ...
Meng Zhang, Lijun Wang, Yue Song, Yongqiang Ning, Hui Tang, Tianyi Zhang, Yongyi Chen, Peng Jia, Li Qin, Yuntao Cao, Yubing Wang, Yuxin Lei, Lei Liang, Cheng Qiu   +13 more
core   +1 more source