Direct Measurement of Resonant Phonon Modes in Optical Fibers.

Andrea Pertoldi,Rasmus Dybbro Engelsholm,Ivan Galinskiy, Poul Varming, Patrick Bowen Montague

Optical Fiber Communications Conference and Exhibition（2024）

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摘要

We probe and model phonon modes in optical fibre by means of frequency noise measurements of distributed-feedback fibre lasers. Resonant acoustic waves with femtometer-scale amplitudes are fully characterised as they interact with the optical cavity.

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关键词

Optical Fiber,Phonon Modes,Acoustic Waves,Frequency Noise,Fiber Laser,Optical Cavity,Resonant Wave,Contact Point,Peak In Spectrum,Peak Amplitude,Wave Velocity,Wave Amplitude,Resonant Modes,Cavity Length,Fiber Bragg Grating,Free Spectral Range,Radial Mode,Distributed Feedback,Distributed Feedback Laser

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