Lithium niobate (LN), an outstanding and versatile material, has influenced our daily life for
decades—from enabling high-speed optical communications that form the backbone of the …

A laser frequency comb is a broad spectrum composed of equidistant narrow lines. Initially
invented for frequency metrology, such combs enable new approaches to spectroscopy over …

Lithium niobate (LiNbO3) on insulator (LNOI) is a promising material platform for integrated
photonics due to single crystal LiNbO3 film's wide transparent window, high refractive index …

A highly sensitive light-induced thermoelectric spectroscopy (LITES) sensor based on a
multi-pass cell (MPC) with dense spot pattern and a novel quartz tuning fork (QTF) with low …

High-speed measurement confronts the extreme speed limit when the signal becomes
comparable to the noise level. In the context of broadband mid-infrared spectroscopy, state …

A novel dual-frequency modulated heterodyne quartz-enhanced photoacoustic
spectroscopy (DFH-QEPAS) was demonstrated for what we believe to be the first time in this …

Frequency combs are optical spectra composed of a set of discrete equally spaced lines.
Such spectra can be generated by diverse sources such as mode-locked lasers, resonators …

The development of a spectroscopy device on a chip that could realize real-time
fingerprinting with label-free and high-throughput detection of trace molecules represents …

Dual-comb spectroscopy is a powerful technique for real-time, broadband optical sampling
of molecular spectra, which requires no moving components. Recent developments with …

Mid-infrared dual-comb spectroscopy has the potential to supplant conventional Fourier-
transform spectroscopy in applications requiring high resolution, accuracy, signal-to-noise …