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Prof. R.P.Jindal

Fellow, IEEE

Vanderziel Institute of Science and Technology, LLC

Princeton, NJ, USA


Mesoscopic Devices: A Bio-Inspired Approach


Since the invention of the bipolar junction transistor in 1947, advances in electronics over the last 70 years has enriched the life of every man, woman and child on this planet earth. The key features enabling this phenomenal progress are miniaturization, integration and repeatability. However, we are now approaching a scenario where devices and circuits, manufactured using identical technology steps and fabricated on the same wafer next to each other, exhibit noticeably different characteristics. One reason for this divergence in performance is the limitations of the conventional top-down manufacturing approach where the miniaturization is achieved by dividing matter into smaller fragments. This results in excessive device structure variations. We will refer to these variations as extrinsic fluctuations. The other reason for enhanced variability in the behavior of otherwise identical devices is the finite number of entities involved in contributing to the device action. These shall be referred to as intrinsic fluctuations. To overcome the extrinsic fluctuations manifested by the top-down device fabrication approach, a bio-inspired bottom-up approach akin to growth in living organisms holds promise. However, the intrinsic fluctuations generated by the finite number of participants contributing to the device action are more fundamental in nature.

The concept of average doping, device length, width, and thickness must be replaced by point doping with spatial, dimensional, and material parameter variability. Conventional device modeling must make a transition from continuous to atomistic simulations. Exception(s) to this general trend do exist where small dimensions result in less variability. Further, due to the failure of the central limit theorem in predicting variability, there is a need to experimentally investigate the incessant fluctuations and develop statistical circuit models coupled with innovative circuit design techniques to develop cost-effective products. In spite of these challenges, system level performance will continue to improve monotonically taking a cue from bio-inspired system architectures by focusing on feedback, redundancy and self-learning.


Renuka P. Jindal received his Ph.D. degree in Electrical Engineering from the University of Minnesota in 1981. Upon graduation, he joined Bell Laboratories in Murray Hill, New Jersey. His experience at Bell Labs for over 22 years bridged both technical and administrative roles. On the technical side, he worked in all three areas of devices, circuits and systems. Highlights include, in the early eighties, fundamental studies of noise behavior of MOS devices with channel lengths in the few hundred nanometers regime. His contributions led to almost an order of magnitude reduction in device noise. Over the years, this has made MOS the technology of choice for broad-band fiber optics, and narrow-band wireless base station and terminal applications including cell phones and pagers. He also designed and demonstrated high performance single-chip gigahertz-band RF integrated circuits for AT&T’s Metrobus lightwave project. He researched the physics of carrier multiplication and invented techniques for ultra-low-noise signal amplification and detection in terms of novel devices and circuits based on a new principle of random multiplication and optoelectronic integration. On the administrative side, Dr. Jindal developed and managed significant extramural funding from federal agencies and independent Lucent Technologies business units. He was solely responsible for developing and deploying a corporate-wide manufacturing-test strategy in relation to contract manufacturing for Lucent Technologies. In addition, he established and taught RFIC design courses at Rutgers University. In Fall of 2002, Dr. Jindal accepted the position of William and Mary Hansen Hall Board of Regents Eminent Scholar Endowed Chair at University of Louisiana, Lafayette, Louisiana. There, he continued to teach and undertake fundamental research in the area of random processes, wireless and lightwave devices, circuits and systems. Among the world’s firsts included the establishment of noise performance of sub-100nm MOS devices. In 2017, Prof. Jindal was named Eminent Scientist and Chief Technology Officer of Vanderziel Institute of Science and Technology, LLC, Princeton, New Jersey, USA. There he continues research in stochastic processes cutting across distinct disciplines of Engineering, Material Science, Physics, Biology and Medicine focused on the creation of new technologies with a broad impact in the service of humanity.

In 1985, Prof. Jindal became a senior member of IEEE. He received the Distinguished Technical Staff Award from Bell Labs in 1989. In 1991, he was elected Fellow of the IEEE for his contributions to the field of solid-state device noise theory and practice. In December 2000, he received the IEEE 3rd Millennium Medal. From 1987 to 1989, he served as editor of the solid-state device phenomena section of IEEE Transactions on Electron Devices. From 1990 to 2000, he was Editor-in-Chief of the IEEE Transactions on Electron Devices. From 2000 to 2008, he served as Vice-President of Publications for the IEEE Electron Devices Society (EDS). In December 2007, he was voted in as President-Elect of EDS. From 2010 to 2011, Prof. Jindal served as the President of IEEE Electron Devices Society and thereafter served as EDS Junior and Senior Past President. In 2013, Prof. Jindal founded the open access IEEE Journal of Electron Devices Society (J-EDS) and served as Editor-in-Chief of the J-EDS until 2016. In October 2016, Prof. Jindal was elected as the IEEE Division I Delegate-Elect / Director Elect 2017. In December 2016, Prof. Jindal received the IEEE Electron Devices Society Distinguished Service Award. He will serve as the IEEE Division I Delegate/Director during 2018 and 2019. As a member of the IEEE Board of Directors and IEEE Assembly, he will represent five IEEE operating units including Circuits and Systems Society, Council for Electronic Design Automation, Electron Devices Society, Nanotechnology Council and Solid-State Circuits Society.