Programmable photonic latch (IMAGE) Optica Caption This new type of optical memory unit,called a programmable photonic latch, is fast and scalable. It could offer a high-speed silicon photonics solution for volatile memory. Credit Farshid Ashtiani, Nokia Bell Labs Usage Restrictions None License Original content 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.