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Quantum Computing with Sound

Research seminar with Andrew Cleland, Professor of Molecular Engineering, U Chicago

10/3/2025
3:30 pm – 4:30 pm
Spanos Auditorium, Cummings Hall
Intended Audience(s): Public
Categories: Lectures & Seminars

Optional ZOOM LINK
Meeting ID: 963 3025 4065
Passcode: 956285

My research group has been developing technology enabling controlled experiments on phonons, the quanta of sound. We can create and store individual phonons in a mechanical resonator; generate quantum entangled states between phonons in two physically separated mechanical resonators; use phonons to transmit quantum states; and generate quantum entanglement through the sharing of "half-phonons." By building a single-phonon interferometer, analogous to its optical counterpart, we have also demonstrated the acoustic version of the Hong-Ou-Mandel effect, with its signature of quantum interference. These various advances point to the possibility of building a phonon-based quantum computer, in which phonons, generated as "throw-away" qubits, can in principle allow inexpensive scaling to a very large quantum computer. 

Hosted by Professor Mattias Fitzpatrick.

For more information, contact:
Amos Johnson
amos.l.johnson@dartmouth.edu
Permanent URL to this event: https://writing.dartmouth.edu/events/event?event=78830

Events are free and open to the public unless otherwise noted.