Silicon carbide holds promise for integrated photonics

https://phys.org/news/2022-08-silicon-carbide-photonics.html

"4H-SiC photonic chip integrated InGaAs quantum dot-based single-photon sources by pick-and-place... bilayer vertical couplers and 1×2 multimode interferometers with power splitting ratio 50:50, highly efficient routing single-photon emission hybrid quantum photonic chip... 4H-SiCOI with low optical loss... integrated nonlinear and quantum SiC... broadband wide soliton frequency Kerr combs"