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Self-phase modulation in high-resolution DAS: impact of high-peak-power Gaussian pulses

Anaïs Chiabaut et al.
HAL (France) · Papers
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Modulation instability (MI) is a well-known limit for distributed fiber sensors. However, self-phase modulation (SPM) is rarely addressed as a standalone constraint in distributed acoustic sensing (DAS). This study demonstrates, through modeling and experiments, that SPM-induced spectral broadening
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