In the past two decades, great progress has been made in the development of inexpensive,
compact and efficient mid-infrared pulsed fiber laser Q-switched, mode-locked, and gain …

Optical frequency combs (OFCs) are a unique kind of light source, which are represented as
a series of equally spaced coherent spectral lines in the frequency domain. OFCs can …

In this article, the authors have prepared six novel a-Ge 15 Te 50 S 35-x Sn x thin-film
samples 0.0≤ x≤ 10.0 a t.% using the physical vapor deposition process. Thin films have …

As miniaturized solutions, mid-infrared (MIR) waveguide sensors are promising for label-free
compositional detection of mixtures leveraging plentiful absorption fingerprints. However …

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 …

Packaging of photonic integrated circuit (PIC) chips is an essential and critical step before
they can be integrated into functional optoelectronic systems. Photonic packaging is …

Mid-infrared spectroscopy, an important and widespread technique for sensing molecules,
has encountered barriers stemming from sources either limited in tuning range or …

Midinfrared spectroscopy is a universal way to identify chemical and biological substances.
Indeed, when interacting with a light beam, most molecules are responsible for absorption at …

Second-harmonic generation allows for coherently bridging distant regions of the optical
spectrum, with applications ranging from laser technology to self-referencing of frequency …

Generating optical combs in a small form factor is of utmost importance for a wide range of
applications such as datacom, LIDAR, and spectroscopy. Electrically powered mode‐locked …