Tunable optical chip paves way for new quantum devices

Nanowerk  October 2, 2019 Building on previous development of a platform called crystalline SiC-on-insulator researchers at Georgia Institute of Technology fabricated microring resonators, using the crystalline SiC-on-insulator technology. In each resonator, light at resonance wavelengths, traveling around the ring will build up strength through constructive interference. The resonator can be used to control the amplitude and phase of the light in a waveguide coupled to it. To create a tunable resonator with a high degree of control, they fabricated electric heaters on top of the microrings. When an electric current is applied to the integrated microheater, it locally increases the […]