The realization of compact and efficient broadband mid-infrared (MIR) lasers has enormous
impacts in promoting MIR spectroscopy for various important applications. A number of well …

The introduction of nonlinear nanophotonic devices to the field of optical frequency comb
metrology has enabled new opportunities for low-power and chip-integrated clocks, high …

We present a new type of dual optical frequency comb source capable of scaling
applications to high measurement speeds while combining high average power, ultra-low …

The field of optical‐frequency‐combs (OFCs) has seen significant progress in recent years
due to the advance of mode‐locked fiber lasers with low‐noise performance and long‐term …

The extension of dual-comb spectroscopy (DCS) to all wavelengths of light along with its
ability to provide ultra-large dynamic range and ultra-high spectral resolution, renders it …

Optical frequency combs, which consist of precisely controlled spectral lines covering a wide
range, have played a crucial role in enabling numerous scientific advancements. Beyond …

This Letter presents a 0.4–5.2-µm frequency comb from a compact laser. We designed an
integrated fiber device for a figure-9 laser and constructed an all-fiber laser system. The …

Optical frequency combs (OFCs) have evolved into one of the most active areas of
photonics, underpinning advancements in both fundamental science and commercial …

Frequency combs with mode spacing of 10–20 GHz are critical for increasingly important
applications such as astronomical spectrograph calibration, high-speed dual-comb …

We demonstrate the use of a low power near-infrared laser illuminating the front facet of a
quantum cascade laser (QCL) as an optical actuator for the coherent control of a mid …