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 …

Germanium (Ge) has played a key role in silicon photonics as an enabling material for
datacom applications. Indeed, the unique properties of Ge have been leveraged to develop …

Recent demonstrations of optically pumped lasers based on GeSn alloys put forward the
prospect of efficient laser sources monolithically integrated on a Si photonic platform. For …

Energy transferred via thermal radiation between two surfaces separated by nanometer
distances can be much larger than the blackbody limit. However, realizing a scalable …

Integrated silicon nanophotonics has rapidly established itself as intriguing research field,
whose outlets impact numerous facets of daily life. Indeed, nanophotonics has propelled …

Portable mid-infrared (mid-IR) spectroscopy and sensing applications require widely
tunable, chip-scale, single-mode sources without sacrificing significant output power …

In this paper, normal incidence vertical pin photodetectors on a germanium-on-insulator
(GOI) platform were demonstrated. The vertical pin structure was realized by ion-implanting …

In less than a decade, the mid-infrared (mid-IR) spectral range (2.5-12 μm) has become a
key application for innovative silicon photonic devices because of the growing potential in …

Photodetectors are cornerstone components in integrated optical circuits and are essential
for applications underlying modern science and engineering. Structures harnessing …

Optical interconnects are promising alternatives to copper-based wirings in on-chip
communications. Recent advances in integrated group-IV nanophotonics should address a …