UMDS multipurpose multimedia distribution system

Нарытник, Т. Н.; Voytenko, A.G.; Golovaha, A.I.; Kazimirenko, V.Ya.; Fayngold, A.M.; Yevdokimov, V.V.

doi:10.1109/crmico.2003.158837

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2020

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“…Low‐ and medium‐frequency bands with less information capacity can no longer meet the demands of the communication system. On the other hand, the terahertz band with high information capacity has become the focus of current research 1,2 . Terahertz waves are electromagnetic between infrared and microwave in the frequency range of 0.1‐10 THz.…”

Section: Introductionmentioning

confidence: 99%

A 3 dB E‐plane waveguide directional coupler employing micromachining technique for terahertz application

Deng

Duan

Liu

et al. 2020

Micro & Optical Tech Letters

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In this work, 3 dB branch‐line waveguide in the range of 335‐415 GHz directional coupler is proposed, where the insertion loss is less than 0.9 dB and the directionality is better than 20 dB. The coupler is composed of three “crossing”‐shaped structures, which can effectively enhance the directionality and coupling, based on a certain broad bandwidth. The designed coupler has been modeled and optimized, using commercial full‐wave simulation software HFSS, fabricated by the UV‐LIGA process. In addition, its deformation was theoretically analyzed at different pressures by ANSYS software to test its practicability. Both of the test and simulated results have a nice correlation. We conclude that our proposed coupler has excellent performance and can be used for the investigation of submillimeter wave components in terahertz applications.

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Section: Introductionmentioning

confidence: 99%