Subwavelength grating devices in silicon photonics

Wang, Junjia and Glesk, Ivan and Chen, Lawrence R. (2016) Subwavelength grating devices in silicon photonics. Science Bulletin, 61 (11). pp. 879-888. ISSN 2095-9281 (

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Subwavelength grating (SWG) waveguides in silicon-on-insulator are emerging as an enabling technology for implementing compact, high-performance photonic integrated devices and circuits for signal processing and sensing applications. We provide an overview of our recent work on developing wavelength selective SWG filters based on Bragg gratings and ring resonators, as well as optical delay lines. These components increase the SWG toolbox and can be used to realize more complex photonic integrated circuits with enhanced or new functionality.