Recent developments in chip-based nonlinear photonics offer the tantalizing prospect of
realizing many applications that can use optical frequency comb devices that have form …

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 …

Efficient on-chip molecule and bio-agent detection can be achieved by accessing strong
molecular absorption lines in the mid-infrared, but it requires high output power broadband …

Integrated nonlinear photonics, combined nonlinear optics with state‐of‐the‐art photonic
integration, play a crucial role in chip‐integrated technologies including optical frequency …

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

We demonstrate coherent supercontinuum generation spanning over an octave from a
silicon germanium-on-silicon waveguide using∼ 200fs pulses at a wavelength of 4 µm. The …

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 …

On-chip spectroscopic sensors have attracted increasing attention for portable and field-
deployable chemical detection applications. So far, these sensors largely rely on benchtop …

An environment friendly nonlinear chalcogenide glass fiber with a Ge‐Sb‐Se core and a Ge‐
Se cladding is fabricated for bright broadband mid‐infrared (MIR) supercontinuum (SC) …

Frequency combs, spectra of phase-coherent equidistant lines often generated by mode-
locked femtosecond lasers, have revolutionized time and frequency metrology. 1, 2 In recent …