Multilayer and multidirectional linearly-tapered slot antenna for 300 GHz applications

Future chip-to-chip interconnections will be freed from the limitation to wires or fixed transmission lines connecting two or more chips. Bandwidth requirements and recent developments in the field of integrated transistors enable the usage of small antennas directly on-chip or in chip packages. Using phased arrays will allow highly flexible interconnections between chips. In this paper a Linearly-tapered slot antenna structure is presented that can be integrated in-package or on-chip. Depending on the feeding, it either allows a relativley high gain of 6 dB or a very wide 3 dB beamwidth of up to 170° with a maximum gain better than 3 dB.