Device-modeling and circuit-design techniques for CMOS transceivers in THz region

Fujimoto, Ryuichi; Fujishima, Minoru

doi:10.1109/mwscas.2011.6026595

Cited by 1 publication

(1 citation statement)

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“…From an electromagnetic perspective, there are other differences compared with lower frequency operation. For example, a diffracting THz signal may have different propagation characteristics than its modulation sidebands, implying that a MIMO antenna array may collect different information bands even if all propagation is considered line of sight [43]. These differences help explain the interest in, and challenges of, current and future THz research.…”

Section: Introductionmentioning

confidence: 99%

Breakthroughs in Microwaves: Programmable Terahertz Chip-Scale Surfaces and Systems—An Interview With Dr. Kaushik Sengupta

Caverly¹

2021

IEEE J. Microw.

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This article is the next in the periodic Breakthroughs in Microwaves series. This series is intended to highlight recent accomplishments, especially to those new to the field, by researchers in microwave engineering that hold promise. Up until about 15 years ago, there was a distinct dearth of applications in the region between approximately 100 GHz and the infrared region except in radio astronomy. In the last 10 to 15 years, however, there has been significant research in this frequency range. Of particular interest are fully integrated solutions that utilize standard integrated circuit processes, made possible by the sub-millimeter wavelengths inherent to this frequency range. Increased parasitics and coupling make design using standard microwave techniques problematic when scaled to the THz range, but new thinking has emerged that looks at the full problem in an electromagnetic sense with full co-design of all elements needed. This article first provides the reader information on previous THz technology applications and then presents an overview of traditional antenna beamforming structures. This introduction is then followed by a discussion of new programmable chip-scale electromagnetic surfaces as one of the solutions for THz applications. This article ends with a lively discussion with one of the leaders in this technology, Dr. Kaushik Sengupta, who discusses further insight into this pioneering technique.INDEX TERMS Beam steering, antenna radiation patterns imaging, sensor systems and applications, reconfigurable intelligent surfaces.This article has been accepted for inclusion in a future issue of this journal. Content is final as presented, with the exception of pagination.

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Section: Introductionmentioning

confidence: 99%

Breakthroughs in Microwaves: Programmable Terahertz Chip-Scale Surfaces and Systems—An Interview With Dr. Kaushik Sengupta

Caverly¹

2021

IEEE J. Microw.

View full text Add to dashboard Cite

show abstract

Device-modeling and circuit-design techniques for CMOS transceivers in THz region

Cited by 1 publication

References 9 publications

Breakthroughs in Microwaves: Programmable Terahertz Chip-Scale Surfaces and Systems—An Interview With Dr. Kaushik Sengupta

Breakthroughs in Microwaves: Programmable Terahertz Chip-Scale Surfaces and Systems—An Interview With Dr. Kaushik Sengupta

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