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Silicon photonics platform has undergone substantial development to tackle future challenges of various applications, including datacom, sensing, and optical communications. Numerous efficient devices and circuits have been proposed, and products are already available in the market. However, the intrinsic properties of silicon-based materials do not fully overcome the limitations in terms of speed, power consumption and scalability. As a result, new strategies have emerged, mainly focusing on the integration of new materials and the exploitation of nonlinear optical properties. In this context, the paper will present the current status and prospects of Si and SiGe photonics and its potential applications.
Vivien et al. (Wed,) studied this question.