Integrated silicon photonics has sparked a significant ramp-up of investment in both
academia and industry as a scalable, power-efficient, and eco-friendly solution. At the heart …

Realizing efficient on-chip light sources has long been the “holy-grail” for Si-photonics
research. Several important breakthroughs were made in this field in the past few years. In …

Silicon is indisputably the most advanced material for scalable electronics, but it is a poor
choice as a light source for photonic applications, due to its indirect band gap. The recently …

(Si) GeSn semiconductors are finally coming of age after a long gestation period. The
demonstration of device-quality epi-layers and quantum-engineered heterostructures has …

SiGeSn holds great promise for enabling fully group-IV integrated photonics operating at
wavelengths extending in the mid-infrared range. Here, we demonstrate an electrically …

With the emerging trend of big data and internet of things, silicon (Si) photonics technology
has been developed and applied for high‐bandwidth data transmission. Contributed by the …

The availability of high-frequency pulsed emitters in the 2–2.5 μm wavelength range paved
the way for a wealth of new applications in ultrafast spectroscopy, free-space and fiber …

The success of GeSn alloys as active material for infrared lasers could pave the way toward
a monolithic technology that can be manufactured within mainstream silicon photonics …

Infrared (IR) multispectral detection is attracting increasing interest with the rising demand
for high spectral sensitivity, room temperature operation, CMOS-compatible devices. Here …

Germanium–tin (Ge1–x Sn x) semiconductors are a front-runner platform for compact mid-
infrared devices due to their tunable narrow bandgap and compatibility with silicon …