Credit: T. Thomay
Figure and caption information from paper reprinted with permission of Authors: Input light at the fundamental wavelength (represented by red light) is converted inside the micro-disk to second harmonic light (represented by blue light). The inset shows a scanning electron micrograph of a fabricated device. The scale bar is 1 mm. For more information and figures, the paper is Open Access http://www.nature.com/ncomms/2014/140117/ncomms
4109/full/ncomms4109.html
Image credit for this and rotator image: T. Thomay/JQI