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 …

Silicon photonic devices used in the photonics industry over the past three decades have
helped in realizing large-scale photonic integrated circuits. Silicon nitride (Si 3 N 4) is …

In this paper, we review and provide additional details about our progress on multilayer
silicon nitride (SiN)-on-silicon (Si) integrated photonic platforms. In these platforms, one or …

Efficient fiber-chip coupling interfaces are critically important for integrated photonics. Since
surface gratings diffract optical signals vertically out of the chip, these couplers can be …

We present the design and experimentally demonstrate a dual-level grating coupler with
subdecibel efficiency for a 220 nm thick silicon photonics waveguide which was fabricated …

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 …

We present a gradient-based optimization strategy to design broadband grating couplers.
Using this method, we are able to reach, and often surpass, a user-specified target …

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 …

Photonic integration technologies have spread in the past decade by means of foundry
models that mirror the electronic-integrated circuit industry developments of the past century …

Leveraging on the mature processing infrastructure of silicon microelectronics, silicon
photonic integrated circuits may be readily scaled to large volume production for low-cost …