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H-Band Quartz-Silicon Leaky-Wave Lens With Air-Bridge Interconnect to GaAs Front-End
IEEE Transactions on Terahertz Science and Technology ( IF 3.9 ) Pub Date : 2021-01-06 , DOI: 10.1109/tthz.2021.3049640
Marta Arias Campo , Katarzyna Holc , Rainer Weber , Carmine De Martino , Marco Spirito , Arnulf Leuther , Simona Bruni , Nuria Llombart

Thanks to the large bandwidth availability, millimeter and submillimeter wave systems are getting more attractive to be used in a wide range of applications, such as high-resolution radar or high-speed communications. In this contribution, a new lens antenna in-package solution is presented for the H-band (220–320 GHz), including a wideband quartz-cavity leaky-wave feed combined with an air-bridge chip interconnect technology, based on spray coating and laser lithography. This interconnection acts as a wideband, low-loss transition between the GaAs front-end and the quartz antenna, avoiding the use of expensive waveguide split-blocks. An antenna prototype including the interconnect has been manufactured and characterized, validating the full-wave simulated results for the integrated H-band leaky-wave with aperture efficiency higher than 74% over 34% bandwidth, and radiation efficiency higher than 70% over 37% of bandwidth.

中文翻译:

H波段石英硅漏泄波透镜,带气桥互连至GaAs前端

由于带宽的可用性,毫米波和亚毫米波系统变得越来越有吸引力,可用于各种应用,例如高分辨率雷达或高速通信。在此贡献中,提出了一种适用于H波段(220–320 GHz)的新型透镜天线封装解决方案,其中包括基于喷涂的宽带石英腔漏波馈电与气桥芯片互连技术相结合的技术和激光光刻。这种互连充当GaAs前端和石英天线之间的宽带,低损耗过渡,避免了使用昂贵的波导分裂模块。包含互连的天线原型已被制造和表征,
更新日期:2021-01-06
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