FIG 2 (IMAGE) Compuscript Ltd Caption Fig. 2. Flowchart for preparing the spatial-mode steerable frequency up-conversion waveguide. Credit OES Usage Restrictions Credit must be given to the creator. License CC BY 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.