In recent years, with the further ministration of the semiconductor device in integrated
circuits, power consumption and data transmission bandwidth have become insurmountable …

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 …

Nanophotonic waveguides that implement long optical pathlengths on chips are promising
to enable chip-scale gas sensors. Nevertheless, current absorption-based waveguide …

The coupling between light and collective oscillations of free carriers at metallic surfaces
and nanostructures is at the origin of one of the main fields of nanophotonics: plasmonics …

Nanophotonics, manipulating light–matter interactions at the nanoscale, is an appealing
technology for diversified biochemical and physical sensing applications. Guided-wave …

Midinfrared spectroscopy is a universal way to identify chemical and biological substances.
Indeed, when interacting with a light beam, most molecules are responsible for absorption at …

Silicon photonics has gained great success mainly due to the promise of realizing compact
devices in high volume through the low-cost foundry model. It is burgeoning from laboratory …

The longwave infrared (LWIR) region of the spectrum spans 8 to 14 μm and enables high-
performance sensing and imaging for detection, ranging, and monitoring. Chip-scale LWIR …

The integration of Ge on Si for photonics applications has reached a high level of maturity:
Ge photodetectors are available on the Si platform in foundry processes, and Si/Ge …

Mid-infrared spectroscopy is essential for identifying molecular species, while related electro-
optic modulators are crucial for signal-to-noise enhancement via synchronous detection …