A Silicon Chip-Based Waveguide Directional Coupler for Terahertz Applications
| Autor: | Tse-Jun Chen, Lingzhen Zeng, Cheuk-yu Edward Tong, Yen-Pin Chang, P. Grimes, Ming-Jye Wang, Wei-Chun Lu |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Coupling
Waveguide (electromagnetism) Radiation Fabrication Materials science Silicon Terahertz radiation business.industry chemistry.chemical_element 020206 networking & telecommunications 02 engineering and technology Microstrip chemistry Extremely high frequency 0202 electrical engineering electronic engineering information engineering Power dividers and directional couplers Optoelectronics Electrical and Electronic Engineering business |
| Zdroj: | IEEE Transactions on Terahertz Science and Technology. 10:698-703 |
| ISSN: | 2156-3446 2156-342X |
| Popis: | We propose a waveguide directional coupler design with weak coupling using silicon-based suspended coupling microstrip probes and the split-block type of construction common in integrated millimeter wave components. WR4.0 coupler prototypes with standard UG-387 flanges were fabricated and measured. The simulation and measurement results show that this design achieves a coupling of around −18 dB, with a typical $\pm$ 2-dB variation across the band from 210 to 270 GHz, while the isolation is better than 30 dB. Tolerance studies confirm that this design could be scaled up to terahertz frequency with modern computer numerical control (CNC) machining and silicon chip fabrication technology. |
| Databáze: | OpenAIRE |
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