A microscopic roundabout for light

Image credits: Henk-Jan Boluijt (AMOLF)

We published our work on building an on-chip optical circulator in Nature Communications. This work was done in collaboration with our colleagues at UT Austin. We were able to demonstrate tunable optical circulation at telecom wavelengths by making use of optomechanical interactions. For more details please see the press release here. Here is a cool video on the working of a circulator!