Segmenting silicon waveguides at the subwavelength scale produce an equivalent
homogenous material. The geometry of the waveguide segments provides precise control …

Subwavelength structures such as subwavelength gratings (SWGs) and subwavelength
metamaterials are capable of tailoring the optical properties of materials and controlling the …

Coupling of light to and from integrated optical circuits has been recognized as a major
practical challenge since the early years of photonics. The coupling is particularly difficult for …

We review and present additional results from our work on multilayer silicon nitride (SiN) on
silicon-on-insulator (SOI) integrated photonic platforms over the telecommunication …

We present a gradient-based algorithm to design general 1D grating couplers without any
human input from start to finish, including a choice of initial condition. We show that we can …

We design and fabricate an ultrahigh coupling efficiency (CE) fully etched apodized grating
coupler on the silicon-on-insulator (SOI) platform using subwavelength photonic crystals and …

Game Theory is the study of the ways in which strategic choices taken by interacting agents
(or players) promoting their (potentially conflicting) individual preferences or utility lead to …

We present a methodology to design broadband grating couplers using one-dimensional
subwavelength gratings. Using the presented method, we design subwavelength grating …

Low-loss fiber-to-chip couplers with ultrawide optical bandwidth | APL Photonics | AIP Publishing
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As a fundamental building block for photonic integrated circuits, waveguide crossing is
playing an essential role for routing the increasingly complex network on chip. Driven by the …