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4 October 2023 Group IV terahertz photoconductive emitter
Pin-Han Lee, Wang-Chien Chen, Shang-Hua Yang
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Proceedings Volume 12683, Terahertz Emitters, Receivers, and Applications XIV; 126830A (2023) https://doi.org/10.1117/12.2680712
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States
Abstract
THz photoconductive antennas (PCAs) have found widespread use in THz generation, detection, and various applications such as sensing, imaging, and communication. For achieving ultrafast operation, most commercially available THz PCAs rely on III-V epitaxial materials due to their high mobility and ultrafast response. However, launching the entire device fabrication process through IC foundries presents significant challenges, thereby limiting the capability of device mass production. In this study, we propose the use of GeSn alloys as the photoconductive material for THz generation. Furthermore, the use of GeSn alloys can potentially offer additional advantages such as cost-effectiveness, scalability, and improved performance.
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(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Pin-Han Lee, Wang-Chien Chen, and Shang-Hua Yang "Group IV terahertz photoconductive emitter", Proc. SPIE 12683, Terahertz Emitters, Receivers, and Applications XIV, 126830A (4 October 2023); https://doi.org/10.1117/12.2680712
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KEYWORDS
Terahertz radiation
Antennas
Ultrafast phenomena
Germanium
Optoelectronics
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