Sound waves and light waves are very different: Light is much faster and can travel through outer space, while sound is 100,000 times slower and needs a material such as a solid, gas, or liquid to move. The research in Professor Stiller’s group leads to new types of data processing with sound waves, applications for secure quantum communications and storage of light information. She’ll introduce us to optoacoustics and the role it 
plays in quantum signal processing and photonic neuromorphic computing.