Wideband Remote-Sensing Based on Random Fiber Laser

Interrogating a remote passive-sensor with high fidelity is one of the biggest challenges in the sensing domain. Recently, random fiber laser (RFL) combined with remote fiber sensors was proposed f…

Improved Generalization in Signal Identification With Unsupervised Spiking Ne…

More and more machine learning techniques are involved in fiber-optic distributed acoustic sensor (DAS) to improve its intelligent recognition ability. However, the supervised methods need sufficie…

Multi-Source Separation Under Two “Blind” Conditions for Fiber-Optic Dist…

Significant progress has been made in single source recognition for fiber-optical distributed acoustic sensor (DAS). However, it is still challenging to detect and identify more than one unpredicta…

Fast-Response Sensitivity-Enhanced All-Fiber Fabry–Pérot High-Pressure Sen…

A novel fast-response sensitivity-enhanced high-temperature all-fiber Fabry–Pérot high-pressure sensor formed with a hard-core diaphragm is proposed and demonstrated. The structure can effective…

Simultaneous Extraction of Multi-Scale Structural Features and the Sequential…

Presently, it is still challenging to obtain satisfied identification results for long-distance safety monitoring with fiber distributed acoustic sensor (DAS) in practical complicated burying envir…

Predicting Kerr Soliton Combs in Microresonators via Deep Neural Networks

A Dynamic Time Sequence Recognition and Knowledge Mining Method Based on the …

With the rapid development and extensive applications of phase-sensitive optical time-domain reflectometry to long distance pipeline safety monitoring, it is still challenging to find a very effici…

Bipolar-Coding OTDR with Interference Fading Elimination and Frequency Drift …

Temperature-Compensated Multifunctional All-Fiber Sensors for Precise Strain/…

We propose two types of temperature-compensated all-fiber sensors based on a novel laser-machined Fabry-Perot interferometer (FPI) whose sensitivity is adjusted by controlling the FPI gauge length …

Coherent Kramers-Kronig Receiver for Φ-OTDR

The phase-sensitive optical time-domain reflectometry (Φ-OTDR), which could locate and demodulate perturbation along tens of kilometers sensing fiber with high spatial resolution and high sensitiv…