Sengupta, Kaushik (2013) Distributed active radiation: Terahertz power-generation and beam-steering in CMOS. In: 7th European Conference on Antennas and Propagation (EuCAP). IEEE , Piscataway, NJ, pp. 1940-1944. ISBN 978-88-907018-3-2. https://resolver.caltech.edu/CaltechAUTHORS:20140103-092957420
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Abstract
Silicon technology can potentially create low-cost, integrated solutions at Terahertz frequency ranges. However, there are significant challenges in generating sufficient power at these frequency ranges with devices operating near or above f_(max) and further radiating it directly from the chip with integrated beam-control. In this paper, we review some of our work where we propose a true circuit-electromagnetics co-design approach which removes the artificial partitions among the different levels of abstraction in a conventional system design methodology. In the proposed inverse design approach, we start with the desired radiated THz field and aim to formulate metal surface-currents that could generate such a pattern. We then aim to synthesize the current configuration using a judicious combination of actives and passive on chip. This holistic approach led to the conceptual evolution of Distributed Active Radiator. As a proof-of-concept, we demonstrate the first integrated THz phased-array in CMOS with a 4×4 array of DARs generating nearly 10 dBm Effective-isotropic-radiated-power at 280 GHz and digitally controlled beam-scanning covering more than 80° in 2D space.
Item Type: | Book Section | ||||||
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Additional Information: | © 2013 IEEE. | ||||||
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Record Number: | CaltechAUTHORS:20140103-092957420 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20140103-092957420 | ||||||
Official Citation: | Sengupta, K., "Distributed active radiation: Terahertz power-generation and beam-steering in CMOS," Antennas and Propagation (EuCAP), 2013 7th European Conference on , vol., no., pp.1940,1944, 8-12 April 2013 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6546628&isnumber=6546197 | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 43199 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | Tony Diaz | ||||||
Deposited On: | 03 Jan 2014 18:12 | ||||||
Last Modified: | 03 Oct 2019 06:05 |
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