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- W4283592563 endingPage "990" @default.
- W4283592563 startingPage "990" @default.
- W4283592563 abstract "Silicon photonics has recently expanded its applications to delivering free-space emissions for detecting or manipulating external objects. The most notable example is the silicon optical phased array, which can steer a free-space beam to achieve a chip-scale solid-state LiDAR. Other examples include free-space optical communication, quantum photonics, imaging systems, and optogenetic probes. In contrast to the conventional optical system consisting of bulk optics, silicon photonics miniaturizes an optical system into a photonic chip with many functional waveguiding components. By leveraging the mature and monolithic CMOS process, silicon photonics enables high-volume production, scalability, reconfigurability, and parallelism. In this paper, we review the recent advances in beam steering technologies based on silicon photonics, including optical phased arrays, focal plane arrays, and dispersive grating diffraction. Various beam-shaping technologies for generating collimated, focused, Bessel, and vortex beams are also discussed. We conclude with an outlook of the promises and challenges for the free-space applications of silicon photonics." @default.
- W4283592563 created "2022-06-28" @default.
- W4283592563 creator A5054136683 @default.
- W4283592563 creator A5069345155 @default.
- W4283592563 creator A5081902465 @default.
- W4283592563 date "2022-06-24" @default.
- W4283592563 modified "2023-10-14" @default.
- W4283592563 title "Free-Space Applications of Silicon Photonics: A Review" @default.
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- W4283592563 doi "https://doi.org/10.3390/mi13070990" @default.
- W4283592563 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/35888807" @default.