120 citations · 225 across the 10 of their papers we have counts for
10 papers
Linear detection of 30 mW dual-comb interferograms
Philippe Guay, Mathieu Walsh, Alex Tourigny-Plante +1
Detector nonlinearity is an important factor limiting the maximal power and hence the signal-to-noise ratio (SNR) in dual-comb interferometry. To increase the SNR without overwhelm…
Addressing asymmetric Fano profiles on molecular lines in dual-comb spectroscopy
Philippe Guay, Mathieu Walsh, Jérôme Genest
Fano resonance in molecular spectroscopy is reported with a dual-comb instrument. The effect is observed as asymmetric absorption lines of H12CN. Pulse chirping conditions in the g…
Correcting photodetector nonlinearity in dual-comb interferometry
Philippe Guay, Nicolas Bourbeau Hébert, Alex Tourigny-Plante +2
Photodetector nonlinearity, the main limiting factor in terms of optical power in the detection chain, is corrected to improve the signal-to-noise ratio of a short-time measurement…
Understanding photodetector nonlinearity in dual-comb interferometry
Philippe Guay, Alex Tourigny-Plante, Vincent Michaud-Belleau +3
The impact of photodetector nonlinearity on dual-comb spectrometers is described and compared to that of Michelson-based Fourier transform spectrometers (FTS). The optical sampling…
Balanced photodetectors nonlinearity for short-pulse regime
Philippe Guay, Jérôme Genest
Short pulse lasers are used to characterize the nonlinear response of amplified photodetectors. Two widely used balanced detectors are characterized in terms of amplitude, area, br…
Single-frequency mid-infrared chip laser with a sub-hertz Lorentzian linewidth
Philippe Guay, Jérôme Genest, Vincent Michaud-Belleau +2
A guided-wave chip laser operating in a single longitudinal mode at 2860 nm is presented. The cavity was set in the Littman-Metcalf configuration to achieve single-frequency operat…
Amplified noise nonstationarity in a mode-locked laser based on nonlinear polarization rotation
Carlos Andres Perilla Rozo, Philippe Guay, Jean-Daniel Deschênes +1
Beat note measurements between a mode-locked and a continuous-wave laser as well as between two mode-locked sources were used to demonstrate that the sub-threshold, cavity filtered…
An open and flexible digital phase-locked loop for optical metrology
Alex Tourigny-Plante, Vincent Michaud-Belleau, Nicolas Bourbeau-Hébert +3
This paper presents an open and flexible digital phase lock loop optimized for laser stabilization systems. It is implemented on a cheap and easily accessible FPGA-based digital el…
Self-corrected chip-based dual-comb spectrometer
Nicolas Bourbeau Hébert, Jérôme Genest, Jean-Daniel Deschênes +4
We present a dual-comb spectrometer based on two passively mode-locked waveguide lasers integrated in a single Er-doped ZBLAN chip. This original design yields two free-running fre…
Ultrafast pulse generation in a mode-locked Erbium chip waveguide laser
Champak Khurmi, Nicolas Bourbeau Hébert, Wen Qi Zhang +5
We report mode-locked ~1550 nm output of transform-limited ~180 fs pulses from a large mode-area (diameter ~ 50 μm) guided-wave erbium fluorozirconate glass laser. The passively mo…