Power synthesis at low frequencies in the sub-THz gap

Jiaqi Zhao; Zhongbo Zhu; Bin Zhang; Dexin Ye; Changzhi Li; Lixin Ran

doi:10.1109/RWS.2015.7129747

Power synthesis at low frequencies in the sub-THz gap

Jiaqi Zhao, Zhongbo Zhu, Bin Zhang, Dexin Ye, Changzhi Li, Lixin Ran

Electrical and Computer Engineering

Research output: Contribution to journal › Conference article › peer-review

Abstract

Terahertz (THz) technology is one of the research fronts in the microwave society. In this paper, we investigate the possibility of power synthesis at low-THz frequencies based on discrete THz sources. We show that by applying precision digital phase control, such a power synthesis can be achieved, overcoming the difficulty of phase alignment at these frequencies. For demonstration, we implement a 0.11-THz prototype system based on state of the art F-PLLs and IMPATT diodes. Experimental results validate the proposed approach. With increased wide digital bit width, our method can be effectively used at all sub- and low-THz frequencies in the THz gap, providing an alternative thought to achieve high-power THz waves.

Original language	English
Article number	7129747
Pages (from-to)	26-28
Number of pages	3
Journal	IEEE Radio and Wireless Symposium, RWS
Volume	2015-June
Issue number	June
DOIs	https://doi.org/10.1109/RWS.2015.7129747
State	Published - Jun 19 2015
Event	2015 IEEE Radio and Wireless Symposium, RWS 2015 - RWW 2015 - San Diego, United States Duration: Jan 25 2015 → Jan 28 2015

Keywords

Power synthesis
phase control
phase-locked loop
terahertz

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title = "Power synthesis at low frequencies in the sub-THz gap",

abstract = "Terahertz (THz) technology is one of the research fronts in the microwave society. In this paper, we investigate the possibility of power synthesis at low-THz frequencies based on discrete THz sources. We show that by applying precision digital phase control, such a power synthesis can be achieved, overcoming the difficulty of phase alignment at these frequencies. For demonstration, we implement a 0.11-THz prototype system based on state of the art F-PLLs and IMPATT diodes. Experimental results validate the proposed approach. With increased wide digital bit width, our method can be effectively used at all sub- and low-THz frequencies in the THz gap, providing an alternative thought to achieve high-power THz waves.",

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AU - Zhao, Jiaqi

AU - Zhu, Zhongbo

AU - Zhang, Bin

AU - Ye, Dexin

AU - Li, Changzhi

AU - Ran, Lixin

PY - 2015/6/19

Y1 - 2015/6/19

N2 - Terahertz (THz) technology is one of the research fronts in the microwave society. In this paper, we investigate the possibility of power synthesis at low-THz frequencies based on discrete THz sources. We show that by applying precision digital phase control, such a power synthesis can be achieved, overcoming the difficulty of phase alignment at these frequencies. For demonstration, we implement a 0.11-THz prototype system based on state of the art F-PLLs and IMPATT diodes. Experimental results validate the proposed approach. With increased wide digital bit width, our method can be effectively used at all sub- and low-THz frequencies in the THz gap, providing an alternative thought to achieve high-power THz waves.

AB - Terahertz (THz) technology is one of the research fronts in the microwave society. In this paper, we investigate the possibility of power synthesis at low-THz frequencies based on discrete THz sources. We show that by applying precision digital phase control, such a power synthesis can be achieved, overcoming the difficulty of phase alignment at these frequencies. For demonstration, we implement a 0.11-THz prototype system based on state of the art F-PLLs and IMPATT diodes. Experimental results validate the proposed approach. With increased wide digital bit width, our method can be effectively used at all sub- and low-THz frequencies in the THz gap, providing an alternative thought to achieve high-power THz waves.

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KW - phase control

KW - phase-locked loop

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Power synthesis at low frequencies in the sub-THz gap

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