Author:
Stocchi Matteo,Cao Zhibo,Joseph Christopher Hardly,Voss Thomas,Mencarelli Davide,Pierantoni Luca,Kaynak Canan Baristiran,Hebeler Joachim,Zwick Thomas,Wietstruck Matthias,Kaynak Mehmet
Abstract
AbstractA MM-loaded sub-THz on-chip antenna with a narrow beamwidth, 9 dB gain and a simulated peak efficiency of 76% at the center frequency of 300 GHz is presented. By surrounding the antenna with a single MM-cell ring defined solely on the top metal of the back-end of line, an efficient suppression of the surface waves is obtained. The on-chip antenna has been designed using IHPs 130 nm SiGe BiCMOS technology with a 7-layer metallization stack, combined with the local backside etching process aimed to creating an air cavity which is then terminated by a reflective plane. By comparing the measured MM-loaded antenna performances to its non-MM-loaded counterpart, an enhanced integrity of the main lobe due to the MM-cells shielding effect can be observed. An excellent agreement between the simulated and measured performances has been found, which makes the MM-loaded antennas a valid alternative for the upcoming next-generation sub-THz transceivers.
Funder
IHP GmbH – Leibniz-Institut für innovative Mikroelektronik
Publisher
Springer Science and Business Media LLC
Cited by
6 articles.
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