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|Title:||Evolution of rod antennas for integrated terahertz photonics|
|Citation:||IRMMW-THz 2018: 43rd International Conference on Infrared, Millimeter, and Terahertz Waves, 2018 / vol.2018-September|
|Series/Report no.:||International Conference on Infrared Millimeter and Terahertz Waves|
|Conference Name:||International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) (09 Sep 2018 - 14 Sep 2018 : Nagoya, Japan)|
|Withawat Withayachumnankul, Ryoumei Yamada, Masayuki Fujita, Tadao Nagatsuma|
|Abstract:||Integrated terahertz photonics has emerged as a viable option for routing and processing terahertz signals with high efficiency and broad bandwidth. This can be implemented by using photonic crystal waveguides entirely made of a float-zone intrinsic silicon slab that has exceptionally low loss for terahertz waves. A challenge presented here is to couple guided waves in this integrated platform with free-space waves. It is imperative that the coupling antennas must have low loss, high bandwidth, and high gain, and be integrated as a part of the platform. Here we present an evolution of antenna designs from a single dielectric rod to a rod array that can satisfy all these requirements. All these antennas are integrated onto the same silicon photonic crystal slab used for waveguiding.|
|Appears in Collections:||Electrical and Electronic Engineering publications|
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