IRISA

Séminaire

Vendredi 10 septembre 1999 - 14h00
Ifsic, amphi P

Vwani Roychowdhury
(UCLA, University of California, Los Angeles, USA)

Quantum computation and communication: a perspective

This talk will introduce the key concepts of entanglement and interference from quantum mechanics and show how these phenomena could be used to develop a distinct quantum mechanical view of computation. Since any model of quantum computation will also need transmission and manipulation of entangled quantum states, an introduction to the theory of quantum communication will also be presented. The talk will center around examples drawn from recent advances in quantum algorithms, entanglement manipulation, and potential applications of quantum phenomena to classical tasks (e.g., secure Quantum Key Distribution). No prior knowledge of the field will be assumed.

Biography:

Vwani P. Roychowdhury received his Ph.D. in Electrical Engineering from Stanford University,Stanford, CA and B.Tech from the Indian Institute Of Technology, Kanpur, India in 1989 and 1982, respectively. From 1991 until 1996 he was a faculty member at the School of Electrical Engineering, Purdue University. Since 1996 he has been on the faculty at the Electrical Engineering Department at UCLA, where he is currently a full Professor.

His current research interests include Quantum computation and information processing, nanoelectronic computation and computationa nanoelectronics, quantum device modeling, parallel algorithms and architecture, combinatorics and algorithms, and fault-tolerant computation. He has co-authored several books including Discrete Neural Computation: A Theoretical Foundation (Prentice Hall, 1995), Theoretical Advances in Neural Computation and Learning (Kluwer, 1994), and Computational Paradigms for Nanoelectronic and Quantum Systems (Morgan Kauffman Publishers Inc., 1999). At Purdue University, he was a General Motors Faculty Fellow in the Schools of Engineering from 1992-1994. For his exemplary performance in the classroom, he was awarded the Ruth and Joel Spira Outstanding Teacher Award in 1994. In last three years, he has pioneered a number of computing architectures based on nano-devices. He is currently the Principal Investigator of a multi-University project that is implementing his architecture based on single-electron charging of an array of quantum dots interconnected by molecular wiress, and also interacting with Resonant Tunneling Diodes (RTD).


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