Figure 1 / Figure 2 (IMAGE) Toshiba Corporation Caption Figure 1: A QKD chip under test at Toshiba’s Cambridge Research Laboratory Figure 2: Prototype optical integrated circuit and chip-based quantum cryptography communication system. (Top row, from left: quantum transmitter chip, quantum receiver chip, quantum random number generator chip. Bottom row: Chip-based quantum cryptography communication system) Credit Toshiba Corporation Usage Restrictions News organizations may use or redistribute this image, with proper attribution, as part of news coverage of this paper only. 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.