Optical frequency combs offer an unrivalled degree of frequency measurement precision
that underpins the advance of modern technology in both fundamental science and …

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 …

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 …

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 …

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 …

For the first time, to the best of our knowledge, the design and characterization of a 3× 1
fused fiber combiner based on multimode step-index fluoroindate optical fibers (InF_3) has …

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

Efficient complementary metal-oxide semiconductor-based nonlinear optical devices in the
near-infrared are in strong demand. Due to two-photon absorption in silicon, however, much …

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 …