Processor for matrix multiplications (image) University of Münster Share Print E-Mail Caption Schematic representation of a processor for matrix multiplications which runs on light. Together with an optical frequency comb, the waveguide crossbar array permits highly parallel data processing. Credit WWU/AG Pernice Usage Restrictions Only use in context of this press release Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.