We show how a departure from the old fashioned photonics design approach can lead to optimal designs that are much better than state of the art on many metrics (smaller, more efficient, more robust). This departure is enabled by development of inverse design approach and computer software which designs photonic systems by searching through all possible combinations of realistic parameters and geometries. We show how this inverse design approach can enable new functionalities for photonics, including chip-to-chip on on-chip optical interconnects with error free terabit per second communication rates.

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Jelena Vuckovic, "Inverse designed densely integrated photonics," Proc. SPIE PC12431, Photonic and Phononic Properties of Engineered Nanostructures XIII, PC1243103 (Presented at SPIE OPTO: January 30, 2023; Published: 17 March 2023); https://doi.org/10.1117/12.2657451.6321431323112.