The commercial success of radio-frequency acoustic filters in wireless communication
systems has launched aluminum nitride (AlN) as one of the most widely used …

Supercontinuum (SC) has opened up possibilities for numerous applications in optical
communications, signal processing, metrology, and spectroscopy. Supercontinuum …

The realization of compact and efficient broadband mid-infrared (MIR) lasers has enormous
impacts in promoting MIR spectroscopy for various important applications. A number of well …

The mid-infrared spectral region opens up new possibilities for applications such as
molecular spectroscopy with high spatial and frequency resolution. For example, the mid …

We experimentally demonstrate supercontinuum (SC) generation in a germanium-on-silicon
waveguide. This waveguide exhibits propagation loss between 1.2 dB/cm and 1.35 dB/cm in …

The physics and applications of fiber-based supercontinuum (SC) sources have been a
subject of intense interest over the last decade, with significant impact on both basic science …

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 …

Free-space optical communication is a very promising alternative to fiber communication
systems, in terms of ease of deployment and costs. Midinfrared light has several features of …

We report the realization of a silicon–germanium on silicon ring resonator with high Q-factor
at mid-infrared wavelengths. The fabricated ring exhibits a loaded Q-factor of 236 000 at the …

Nonlinear optics has not stopped evolving, offering opportunities to develop novel
functionalities in photonics. Supercontinuum generation, a nonlinear optical phenomenon …