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Fiber Fault Detection Using Brillouin Amplification and Two-Photon Absorption Process in Si-APD

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Abstract

We experimentally demonstrate a novel method for detecting weak reflection point in an optical fiber using Brillouin amplification and two-photon absorption process in a Si-avalanche photodiode. Weak reflection after a 20-dB attenuator is successfully observed.

© 2018 The Author(s)

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