Silicon Carbide: From Abrasives to Quantum Photonics

Daniil M. Lukin, Melissa A. Guidry and Jelena Vučković

Traditionally used for abrasives, LEDs and transistors, the material may enable scalable quantum and nonlinear photonics through direct integration of solid-state qubits into photonic circuits.

figureSiC crystals [Getty Images]

The 2000s were a simpler time for integrated photonics, when a handful of material platforms dominated research and industrial applications. The past decade, however, has seen an explosion of new photonics materials: GaP, Ta2O5, SiC, AlN, LiNbO3, diamond and others. The enthusiasm for new materials stems in part from the high-level of technological know-how the integrated photonics community has developed—which has built the confidence to take advantage of exotic platforms with the best intrinsic properties for a given application.

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