Simultaneous Measurement of Bending and Torsion in Optical Fiber Shape Sensor
Optical fiber shape sensing technology provides an excellent solution for the tracking and guiding of minimally invasive surgical instruments. However, when some large-deformed instrument operation…
A PML Method for Signal-Propagation Problems in Axon
This work is focused on the modeling of signal propagations in myelinated axons to characterize the functions of the myelin sheath in the neural structure. Based on reasonable assumptions on the me…
Spectrum Extreme Purification and Modulation of DBR Fiber Laser With Weak Dis…
Highly coherent lasers with spectral hyperpurity can further advance the fields of science and engineering. Especially, a light source with controllable frequency domain parameters can be adapted t…
Intrinsic Spectrum Analysis of Laser Dynamics Based on Fractional Fourier Tra…
The intrinsic spectrum that results from the coupling of spontaneous emission in a laser cavity can determine the energy concentration and coherence of lasers, which is crucial for optical high-pre…
Ultra-Widely Tunable Acousto-Optic Add-Drop Filter Based on Acoustically-Indu…
An ultra-widely tunable acousto-optic add-drop filter is proposed and demonstrated based on the acoustically-induced polarization conversion of cladding-etched single-mode fiber, which covers wavel…
Real-Time Mode Following Based Narrow Linewidth Brillouin Fiber Swept Laser
We propose and demonstrate a novel concept of Brillouin fiber swept laser with narrow linewidth based on mode following effect. Utilizing the synergy of the Brillouin gain spectrum and cavity mode,…
Photonic-Assisted Reconfigurable LO Harmonic Downconverter With RF Self-Inter…
A photonic-assisted reconfigurable LO harmonic downconverter with simultaneous image-rejection and RF self-interference cancellation (SIC) for in-band full-duplex communication is proposed and expe…
Zeroth-Order Regularized Optimization (ZORO) : Approximately Sparse Gradients…
We consider the problem of minimizing a high-dimensional objective function, which may include a regularization term, using only (possibly noisy) evaluations of the function. Such optimization is a…
Tunable Narrow-Linewidth Fiber Laser Based on the Acoustically Controlled Pol…
Researches on high coherence light sources always pursue fast tuning speed, linear tunability and persistence of narrow linewidths at different tuning channels. Fortunately, acousto-optical interac…
A Longitude-Purification Mechanism for Tunable Fiber Laser Based on Distribut…
Advanced applications in optical frequency metrology demand improved tunable lasers with high coherence. Herein, a tunable single-frequency fiber laser based on the longitude-purification induced b…
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