Integrated GHz Ultrasonics: More Than Moore With Sonics

Amit Lal, Cornell University

Amit Lal is the Robert M. Scharf 1977 Professor in the School of Electrical and Computer Engineering at Cornell University, Ithaca, NY. He received a B.S. (1990) in Electrical Engineering from Caltech, and a Ph.D. (1996) in Electrical Engineering from the University of California, Berkeley.

GHz ultrasonics on CMOS chips are enabled by integration of fast, deep sub-micron transistors and GHz thin film piezoelectric transducers. Sonic wavelengths on the order of a few microns can generate wave packets with spatial extent that is less than the substrate thickness. Wave packet transport and sensing constitutes a new paradigm for signal processing for precision delays, analog computing, and biological sensing.

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