Wavelength-Tunable Monolithically Integrated Chaotic Semiconductor Laser
Chaos wavelength division multiplexing is a key technology to solve incompatibility between chaos secure communication and large capacity fiber data transmission. However, the existing integrated c…
An Evolutionary Multitasking Optimization Framework for Constrained Multiobje…
When addressing constrained multiobjective optimization problems (CMOPs) via evolutionary algorithms, various constraints and multiple objectives need to be satisfied and optimized simultaneously, …
Multiple Cladding Fiber Bragg Gratings Inscribed By Femtosecond Laser Point-b…
Femtosecond laser point-by-point (PbP) technology can be used as a direct writing method to inscribe fiber Bragg gratings (FBGs) into the cladding of optical fibers. When the refractive index modul…
Chaos Raman Optical Time-Domain Reflectometry for Millimeter-Level Spatial Re…
The Raman optical time-domain reflectometry (ROTDR) uses the Raman backscattering signal of an optical pulse to obtain environmental information along the sensing fiber, with the pulse width limiti…
Sensitivity Enhancement of Fiber-Optic Accelerometers Using Thin-Cladding Fib…
We propose and demonstrate a method for improving the sensitivity of fiber Bragg grating (FBG) based accelerometers. The method employs a short FBG inscribed in single mode fiber (SMF) with claddin…
Model Study of Transient Imaging With Multi- Frequency Time-of-Flight Sensors
As an emerging imaging modality, transient imaging that records the transient information of light transport has significantly shaped our understanding of scenes. In spite of the great progress mad…
Improvement of Strain Measurement Accuracy and Resolution by Dual-Slope-Assis…
A dual-slope-assisted chaotic Brillouin optical correlation domain analysis (DSA-CBOCDA) technique is proposed to improve the measurement accuracy and resolution for static and dynamic strain sensi…
Three-Dimensional Vector Accelerometer Using a Multicore Fiber Inscribed With…
We have designed, fabricated, and characterized a fiber-optic three-dimensional vector accelerometer for vibration measurement. The accelerometer is based on fiber Bragg gratings (FBGs) inscribed w…
Wafer Reflectance Prediction for Complex Etching Process Based on K-Means Clu…
In LED semiconductor manufacturing, it is important to evaluate the wafer reflectance in order to validate the quality of wafers. In this work, a learning model based on K-means clustering and neur…
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