Silicon does not emit light efficiently, therefore the integration of other light‐emitting
materials is highly demanded for silicon photonic integrated circuits. A number of integration …

Background: Open Access Editor's Choice Review Hybrid Integrated Semiconductor Lasers
with Silicon Nitride Feedback Circuits by Klaus-J. Boller 1, 2,*, Albert van Rees 1, Youwen …

Optical frequency combs emerge as a promising technology that enables highly sensitive,
near-real-time spectroscopy with a high resolution. The currently available comb generators …

On-chip integration of optical comb sources is crucial in enabling their widespread use.
Integrated photonic devices that can be massmanufactured in semiconductor processing …

A mode-locked extended cavity quantum well ring laser at 1.58 μm with a repetition rate of
2.5 GHz in the form of a photonic integrated circuit is presented. The device is realized using …

Generation of optical frequency combs (OFC) using semiconductor laser sources has been
an active research topic for years, since they offer good performances for many applications …

We present an integrated hybrid semiconductor-dielectric (InP-Si_3N_4) waveguide laser
that generates frequency combs at a wavelength around 1.5 μm with a record-low intrinsic …

An innovative optical scheme to generate software-defined phase-modulated radio
frequency (RF) pulses with carrier frequency agility from a mode-locked laser (MLL) is …

Miniaturization of frequency-comb sources could open a host of potential applications in
spectroscopy, biomedical monitoring, astronomy, microwave signal generation, and …

A record low-repetition rate from an on-chip monolithic InP extended cavity colliding-pulse
mode-locked laser is experimentally reported. The device, fabricated in generic InP-based …