Analysis and design of a photoconductive integrated photomixer/antenna for terahertz applications

Saeedkia, Daryoosh; Majedi, A. Hamed; Safavi‐Naeini, Safieddin; Mansour, Raafat R.

doi:10.1109/jqe.2004.839688

Cited by 37 publications

(8 citation statements)

References 29 publications

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“…The basic physical principles of all these proposed optical methods can be classified into optical parametric processes, optical differential frequency effects and excitation of photoconductive materials with ultrashort optical pulses [1][2][3][4][5] . Despite a lot of progress in recent years, many of the THz source are still very complexity and the whole structure is still very large since the complexity of the pumping laser.…”

Section: Abstract-a Semiconductor Double Wavelength External Cavitymentioning

confidence: 99%

Simulation about the semiconductor double wavelength external cavity Laser for the generation of tunable terahertz waves with compact structure

Cao

Yuan

et al. 2008

2008 33rd International Conference on Infrared, Millimeter and Terahertz Waves

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Section: Abstract-a Semiconductor Double Wavelength External Cavitymentioning

confidence: 99%

Simulation about the semiconductor double wavelength external cavity Laser for the generation of tunable terahertz waves with compact structure

Cao

Yuan

et al. 2008

2008 33rd International Conference on Infrared, Millimeter and Terahertz Waves

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“…Terahertz technology is developing increasingly. Terahertz has interesting applications in information and communication technology, biomedical imaging, security, astronomy, and spectroscopy [10][11][12][13][14][15]. A little number of materials in nature can interact with Terahertz waves.…”

Section: Introductionmentioning

confidence: 99%

Broadband terahertz absorber using superimposed graphene quantum dots

Deljoo

Rostami

2021

Opt Quant Electron

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In this study, we propose and investigate numerically a broadband THz metamaterial-based absorber, which is composed of superimposed Graphene Quantum Dots. Based on this idea, a new way to engineering the absorption band is introduced. We will show that using the proposed idea, it is possible to design a THz absorber with a given bandwidth. To show the capability of the idea, we consider a three-layer structure, and the top layer is superimposed graphene disks. The middle layer is a lossless dielectric thin layer and eventually gold is placed in the bottom layer. Simulation results reveal a broadband absorption in the range of (5.86THz to 7.57THz), (5.89THz to 7.56THz), and (5.89THz to 7.58THz) while absorption values respectively are above 89%, 88.49%, and 88.32%. The dielectric material is Si 3 N 4 in the proposed structure. Also, the broadband absorption range is 7.47THz to 9.87THz with an absorption value above 80% while the dielectric material is SiO 2.

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“…Terahertz (THz) wave has many applications for biomedical security check, sensing and wireless communication [1][2][3][4][5] . With the rapid development of THz science and technology, more functional devices composed of different materials and structures are required to meet more efficient and convenient demands.…”

Section: Introductionmentioning

confidence: 99%

Tunable terahertz broadband absorber based on a composite structure of graphene multilayer and silicon strip array

Zhai

Zhang

et al. 2019

Optics Communications

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Analysis and design of a photoconductive integrated photomixer/antenna for terahertz applications

Cited by 37 publications

References 29 publications

Simulation about the semiconductor double wavelength external cavity Laser for the generation of tunable terahertz waves with compact structure

Simulation about the semiconductor double wavelength external cavity Laser for the generation of tunable terahertz waves with compact structure

Broadband terahertz absorber using superimposed graphene quantum dots

Tunable terahertz broadband absorber based on a composite structure of graphene multilayer and silicon strip array

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