[HTML][HTML] Recent advances and outlook in single-cavity dual comb lasers

C Zhang, F Qu, P Ou, H Sun, S He, B Fu - Photonics, 2023 - mdpi.com
Dual-comb spectroscopy as an emerging tool for spectral analysis has been investigated in
a wide range of applications, including absorption spectroscopy, light detection and ranging …

Terahertz Vibrational Molecular Clock with Systematic Uncertainty at the Level

KH Leung, B Iritani, E Tiberi, I Majewska, M Borkowski… - Physical Review X, 2023 - APS
Neutral quantum absorbers in optical lattices have emerged as a leading platform for
achieving clocks with exquisite spectroscopic resolution. However, the studies of these …

[HTML][HTML] On the 12 C 2 H 2 near-infrared spectrum: absolute transition frequencies and an improved spectroscopic network at the kHz accuracy level

A Castrillo, E Fasci, T Furtenbacher… - Physical Chemistry …, 2023 - pubs.rsc.org
Lamb dips of twenty lines in the P, Q, and R branches of the ν1+ ν3+ ν41 vibrational band of
12C2H2, in the spectral window of 7125–7230 cm− 1, have been measured using an …

[HTML][HTML] All paths lead to hubs in the spectroscopic networks of water isotopologues H216O and H218O

R Tóbiás, ML Diouf, FMJ Cozijn, W Ubachs… - Communications …, 2024 - nature.com
Network theory has fundamentally transformed our comprehension of complex systems,
catalyzing significant advances across various domains of science and technology. In …

[HTML][HTML] Advances in cavity-enhanced methods for high precision molecular spectroscopy and test of fundamental physics

L Gianfrani, SM Hu, W Ubachs - La Rivista del Nuovo Cimento, 2024 - Springer
Cavity-enhanced spectroscopic techniques are highly sensitive laser-based methods for
interrogating the atomic and molecular constituents of any gaseous medium that is confined …

Doppler-free spectroscopy of buffer-gas-cooled calcium monohydroxide

Y Miyamoto, R Tobaru, Y Takahashi… - The Journal of …, 2023 - ACS Publications
In this study, we report the Doppler-free spectra of buffer-gas-cooled CaOH. We observed
five Doppler-free spectra containing low-J Q1 and R12 transitions, which were only partially …

[HTML][HTML] Two species–one wavelength detection based on selective optical saturation spectroscopy

I Sadiek, G Friedrichs - Scientific Reports, 2023 - nature.com
Cross-sensitivity limits accurate quantitative detection of species concentrations in all sensor
technologies, including laser-based absorption techniques. Absorption sensors capture a …

Demonstration of record sensitivity for water vapor detection by means of comb-locked cavity ring-down spectroscopy

A Castrillo, MA Khan, E Fasci, V D'Agostino, S Gravina… - Optica, 2024 - opg.optica.org
We report on the development, characterization, and test of a comb-locked cavity ring-down
spectrometer (CL-CRDS) operating in the spectral region around 1.39 µm. The system is …

Nuclear matter radii from molecular rotations using ultra-high-resolution spectroscopy

M Athanasakis-Kaklamanakis, G Neyens - Physical Review Research, 2024 - APS
The rotational constant parametrizes the relative spacing between a molecule's rotational
energy levels. It depends on the molecule's classical moments of inertia, which, in all …

Searching for new fundamental interactions via isotopic shifts in molecular lattice clocks

E Tiberi, M Borkowski, B Iritani, R Moszynski… - Physical Review …, 2024 - APS
Precision measurements with ultracold atoms and molecules are primed to probe beyond-
the-standard model physics. Isotopologues of homonuclear molecules are a natural testbed …