The emergence of silicon photonics over the past two decades has established silicon as a
preferred substrate platform for photonic integration. While most silicon-based photonic …

Lightwave communications is a necessity for the information age. Optical links provide
enormous bandwidth, and the optical fiber is the only medium that can meet the modern …

We review recent breakthroughs in the silicon photonic technology and components, and
describe progress in silicon photonic integrated circuits. Heterogeneous silicon photonics …

There is currently much activity toward the integration of mid-infrared semiconductor lasers
on Si substrates for developing a variety of smart, compact, sensors based on Si-photonics …

Silicon has been the material of choice of the photonics industry over the last decade due to
its easy integration with silicon electronics, high index contrast, small footprint, and low cost …

Silicon does not emit light efficiently, therefore the integration of other light‐emitting
materials is highly demanded for silicon photonic integrated circuits. A number of integration …

The mid-infrared spectral region, 2–20 μm, is of great interest for sensing and detection
applications, in part because the vibrational transition energies of numerous molecules fall …

Tremendous scientific progress has been achieved through the development of nonlinear
integrated photonics. Prominent examples are Kerr frequency comb generation in …

The availability of silicon photonic integrated circuits (ICs) in the 2–4 μm wavelength range
enables miniature optical sensors for trace gas and bio-molecule detection. In this paper, we …

In this article, the potential of photonic integrated circuits (PICs) for modern gas sensing
applications is discussed. Optical detection systems can be found at the high-end of the …