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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…
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…
Dual-comb correction with spectrally broadened fiber lasers
Philippe Guay, Alex Tourigny-Plante, Nicolas Bourbeau Hébert +4
The phase information provided by the beat note between frequency combs and two continuous-wave lasers is used to extrapolate the phase evolution of comb modes found in a spectral…