التفاصيل البيبلوغرافية
| العنوان: |
Sub-terahertz PAM4 modulator based on transmission characteristic reconstruction. |
| المؤلفون: |
Ding, Kesen1,2,3 (AUTHOR), Bi, Chunyang1,2,3 (AUTHOR), Ao, Yu1,2,3 (AUTHOR), Cheng, Liyu1,2,3 (AUTHOR), Fang, Hailong1,2,3 (AUTHOR), Dong, Yazhou1,2,3 (AUTHOR), Zhou, Hongji1,2,3 (AUTHOR), Wang, Xun1,2,3 (AUTHOR), Zhang, Zhenpeng4 (AUTHOR), Liang, Shixiong5 (AUTHOR), Gong, Sen1,2,3 (AUTHOR) triwoods.uestc@163.com, Zhang, Yaxin1,2,3 (AUTHOR) |
| المصدر: |
Applied Physics Letters. 1/20/2025, Vol. 126 Issue 3, p1-5. 5p. |
| مصطلحات موضوعية: |
*SCHOTTKY barrier diodes, *AMPLITUDE modulation, *ELECTRIC lines, *AUDITING standards, *GALLIUM arsenide, *TERAHERTZ technology |
| مستخلص: |
In this paper, we propose a sub-terahertz PAM4 modulator based on transmission characteristic reconstruction by combining meta-unit, GaAs Schottky diode, and fan branch lines. This method combined the significant electromagnetic resonant characteristics of meta-unit, the high-speed controllability of GaAs Schottky diode, and the high integration of on-chip transmission line together to realize high-speed modulation. Then, we achieve transmission characteristic reconstruction by adjusting the resonance strength under different applied voltages through fan branch lines, enabling high-order amplitude modulation of sub-terahertz waves. The experimental results show that the PAM4 modulation of sub-terahertz waves is achieved with a nearly linear variation of the transmission coefficient in the whole voltage range and a maximum modulation rate of 21 Gbps, providing a promising prospect for the development and application of integrated sub-terahertz direct high-order modulation technology. [ABSTRACT FROM AUTHOR] |
| قاعدة البيانات: |
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