Nanosecond time-resolved dual-comb absorption spectroscopy

DA Long, MJ Cich, C Mathurin, AT Heiniger… - Nature …, 2024 - nature.com
Frequency combs have revolutionized the field of optical spectroscopy, enabling
researchers to probe molecular systems with a multitude of accurate and precise optical …

Mid-infrared absorption spectroscopy with enhanced detection performance for biomedical applications

D An, F Sun, Y Bian, J Ni, QJ Wang… - Applied Spectroscopy …, 2023 - Taylor & Francis
Mid-infrared absorption spectroscopy is a powerful tool to measure and analyze
composition, concentration and structure of substance molecules. Due to the advantages of …

Ultra-broadband mid-infrared generation in dispersion-engineered thin-film lithium niobate

J Mishra, M Jankowski, AY Hwang, HS Stokowski… - Optics …, 2022 - opg.optica.org
Thin-film lithium niobate (TFLN) is an emerging platform for compact, low-power nonlinear-
optical devices, and has been used extensively for near-infrared frequency conversion …

Single-frequency optical parametric oscillator intracavity-pumped by a visible VECSEL for low-noise down-conversion to 1.55 µm

S Anderson, PH Moriya, L Caspani, JE Hastie - Optics Express, 2024 - opg.optica.org
We report, to the best of our knowledge, the first optical parametric oscillator (OPO) pumped
by a visible AlGaInP-based vertical-external-cavity surface-emitting laser (VECSEL) …

Mid-infrared Doppler-free saturation absorption spectroscopy of the Q branch of CH4ν3 = 1 band using a rapid-scanning continuous-wave optical parametric …

SM Shah Riyadh, H Telfah, IW Jones, JS Bersson… - Optics Letters, 2024 - opg.optica.org
We have developed a mid-infrared Doppler-free saturation absorption spectroscopy
apparatus that employs a commercial continuous-wave optical parametric oscillator (CW …

Optically dressed three-level coherence in neutral bosonic alkaline-earth-like species

P Robert, DO Sabulsky - Physical Review Research, 2024 - APS
Addressing the optical clock transition of alkaline-earth-like atoms has garnered increasing
interest in the context of a future redefinition of the Système International second, as well as …

High power, frequency agile comb spectroscopy in the mid-infrared enabled by a continuous-wave optical parametric oscillator

AT Heiniger, MJ Cich, DA Long - Optics Express, 2024 - opg.optica.org
While mid-infrared optical frequency combs have been widely utilized in areas such as trace
gas sensing, chemical kinetics, and combustion science, their relatively low power has …

[HTML][HTML] Quantum state-resolved methane scattering from Ni (111) and NiO (111) by bolometer infrared laser tagging: The effect of surface oxidation

CS Reilly, P Floß, BJ Chen, DJ Auerbach… - The Journal of Chemical …, 2023 - pubs.aip.org
We describe a novel ultrahigh vacuum state-to-state molecule/surface scattering apparatus
with quantum state preparation of the incident molecular beam and angle-resolved quantum …

Metrology-grade spectroscopy source based on an optical parametric oscillator

MR Schenkel, VA Vogt, S Schiller - Optics Express, 2024 - opg.optica.org
Continuous-wave optical parametric oscillators (OPOs) are widely tunable and powerful
sources of narrow-linewidth radiation. These properties make them suitable for a wide range …

Demonstration of an Optical Parametric Oscillator (OPO)-Based High-Power Data Transmitter for a 10-Gbit/s QPSK Mid-IR Coherent Free-Space Link Through Fog

H Zhou, Y Duan, M Ramakrishnan, Z Jiang… - Journal of Lightwave …, 2024 - opg.optica.org
Compared to near-infrared (Near-IR) wavelengths, mid-infrared (Mid-IR) transmission
windows typically have lower atmospheric attenuation and better penetration through hazy …