Towards real-time active imaging of greenhouse gases using tunable mid-infrared all-fiber lasers

LC Michaud, T Boilard, S Magnan-Saucier… - Applied Optics, 2023 - opg.optica.org
We report a tunable all-fiber laser emitting a maximum output power of 2.55 W around 3240
nm. The fiber laser cavity based on a fluoride fiber doped with dysprosium ions yields an …

Fourier transform and grating-based spectroscopy with a mid-infrared supercontinuum source for trace gas detection in fruit quality monitoring

KE Jahromi, M Nematollahi, R Krebbers, MA Abbas… - Optics …, 2021 - opg.optica.org
We present a multi-species trace gas sensor based on a fast, compact home-built Fourier
transform spectrometer (FTS) combined with a broadband mid-infrared supercontinuum …

Hollow-core fiber delivery of broadband mid-infrared light for remote spectroscopy

K Johnson, P Castro-Marin, C Farrell, IA Davidson… - Optics …, 2022 - opg.optica.org
High-resolution multi-species spectroscopy is achieved by delivering broadband 3–4-μm
mid-infrared light through a 4.5-meter-long silica-based hollow-core optical fiber …

Ultrashort-pulsed optical parametric oscillator employing Brewster angle prism retroreflectors

DE Hunter, RA McCracken - Optics Express, 2021 - opg.optica.org
We demonstrate a synchronously-pumped optical parametric oscillator (OPO) cavity in
which traditional dielectric mirrors are replaced by all-planar Brewster angle prism …

Mid-infrared optical parametric oscillation spanning 3.4–8.2 μm in a MgF2 microresonator

Q Sun, W Wu, Y Wang, Y Yang, L Shi, X Ming… - …, 2022 - iopscience.iop.org
Mid-infrared optical parametric oscillators (OPOs) offer a compelling route for accessing
the'molecular fingerprint'region and, thus, can find intensive applications such as precision …

GPU-accelerated full-field modelling of highly dispersive ultrafast optical parametric oscillators

SC Robarts, DE Hunter, DT Reid, RA McCracken - Optics Express, 2023 - opg.optica.org
We demonstrate GPU-accelerated modelling of ultrafast optical parametric oscillators
(OPOs) via the χ^(2) nonlinear envelope equation with 1265× improvement in execution …

Fiber-delivered heterodyne spectroscopy with a mid-infrared frequency comb

P Castro-Marin, K Johnson, C Farrell, IA Davidson… - Optics …, 2023 - opg.optica.org
By exploiting the excellent short-term phase stability between consecutive pulses from a free-
running optical parametric oscillator frequency comb, we report the first example of hollow …

Thermally tunable all-fiber laser operating at 3.24 µm for remote sensing of methane

LC Michaud, T Boilard, V Fortin… - Advanced Solid State …, 2021 - opg.optica.org
Thermally tunable all-fiber laser operating at 3.24 µm for remote sensing of methane Page 1
Thermally tunable all-fiber laser operating at 3.24 µm for remote sensing of methane Louis-Charles …

Tunable mid-infrared fiber laser based on fs-written FBGs in fluoride fibers for methane sensing

LC Michaud, T Boilard, S Magnan-Saucier… - … and Poling in Glass …, 2022 - opg.optica.org
Tunable Mid-infrared Fiber Laser Based on fs-written FBGs in Fluoride Fibers for Methane
Sensing Page 1 Tunable Mid-infrared Fiber Laser Based on fs-written FBGs in Fluoride Fibers …

Modelling dispersion compensation in a cascaded-fiber-feedback optical parametric oscillator

E Allan, C Ballantine, SC Robarts, D Bajek… - Optics, 2021 - mdpi.com
Fiber-feedback optical parametric oscillators (OPOs) incorporate intracavity fibers to provide
a compact high-energy wavelength-tunable laser platform; however, dispersive effects can …