Silicon photonics is an enabling technology that provides integrated photonic devices and
systems with low-cost mass manufacturing capability. It has attracted increasing attention in …

The construction of large-scale integrated photonic circuit cannot be separated from the
important role played by silicon-based optoelectronic devices. As a basic and important link …

We propose and numerically demonstrate a versatile strategy that allows designing highly
efficient dual-level grating couplers in different silicon nitride-based photonic platforms. The …

Highly efficient coupling of light from an optical fiber to silicon nitride (SiN) photonic
integrated circuits (PICs) is experimentally demonstrated with simple and fabrication-tolerant …

Silicon nitride (SiN) integrated optical waveguides have found a wide range of applications
due to their low loss, broad wavelength transmission band and high nonlinearity. However …

We demonstrate hybrid amorphous silicon uniform grating couplers for efficient coupling
between the standard single-mode fiber and sub-micron lithium niobate waveguides. The …

Improving the scalability and cost efficiency of photonic packaging is central to fulfilling the
silicon photonic promise of low-cost devices with unprecedented optical complexity. A key …

Surface grating couplers are an important component for interfacing photonic integrated
circuits with optical fibers. However, conventional coupler designs typically provide limited …

Abstract Silicon Nitride (SiN) is emerging as a promising material for a variety of integrated
photonic applications. Given its low index contrast however, a key challenge remains to …

We present an apodized bilayer low-temperature plasma enhanced chemical vapor
deposition (PECVD) SiN_x grating coupler for foundry-based, dual SiN_x layer, photonic …