We review the history, development, design principles, experimental operating
characteristics, and specialized architectures of interband cascade lasers for the mid-wave …

It was recently demonstrated that broadband quantum cascade lasers can operate as
frequency combs. As such, they operate under direct electrical pumping at both mid-infrared …

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

Quantum cascade detectors (QCD) are photovoltaic mid-infrared detectors based on
intersubband transitions. Owing to the sub-picosecond carrier transport between subbands …

High-speed photodetectors operating at mid-wave infrared are crucial for free-space optical
communication and frequency comb spectroscopy. In this letter, we report a high-speed mid …

Quantum cascade lasers (QCL) have revolutionized the generation of mid-infrared light. Yet,
the ultrafast carrier transport in mid-infrared QCLs has so far constituted a seemingly …

In this work, control over the precise state emitted by quantum cascade laser frequency
combs through strong radio‐frequency current modulation close to their repetition frequency …

Chip-scale electrically pumped optical frequency combs (OFCs) are expected to play a
fundamental role in applications ranging from telecommunications to optical sensing. To …

In this work, a design for a mid-infrared quantum cascade laser frequency comb source that
enhances the high frequency response and the comb characteristics of the device is …

SWIFT spectroscopy (Shifted Wave Interference Fourier Transform Spectroscopy) is a
coherent beatnote technique that can be used to measure the temporal profiles of periodic …