The Noise Lower-Bound of Rayleigh-Scattering-Pattern-Based Distributed Acoust…
As a Rayleigh-scattering-pattern-based distributed sensing scheme, recently coherent optical time-domain reflectometry (COTDR) exhibits high performance in distributed acoustic sensing, particularl…
Delivering Healthcare Through Teleconsultations : Implications for Offline He…
Teleconsultations allow patients to search for, receive, and pay for medical consultations virtually. With remote diagnosis and treatment capability, teleconsultations have been proposed as a poten…
Tunable Pulsed Dysprosium Laser Within a Continuous Range of 545 nm Around 3 μm
We report a widely tunable pulsed dysprosium (Dy) -doped fluoride fiber laser within a 545 nm continuous wavelength range around 3 μm, where a home-made random Raman fiber laser (RRFL) at 1.690 μ…
Dense Temporally Multiplexed Fiber Bragg Grating Sensing Based on Single-Phot…
Temporal multiplexed fiber Bragg grating (FBG) sensing system for detecting physical parameters with a high spatial resolution is desirable for applications such as structure health monitoring, oil…
Multi-Ring-Air-Core Fiber Supporting Numerous Radially Fundamental OAM Modes
Orbital angular momentum (OAM) multiplexing technology is expected as one of the prospective candidates for sustaining the further increment of data-transmission capacity in the optical communicati…
Turn Your Online Weight Management from Zero to Hero : A Multidimensional, Co…
Online weight-loss communities (OWCs) provide individuals with various tools to support their weight management, such as weight recorders and weight-loss journals. These tools enable individuals to…
Distributed Polarization Characteristic Testing for Optical Closed Loop of Sa…
Distributed polarization characteristic of Sagnac optical closed loop that composed of two polarizing devices– polarization maintaining fiber coil and Y-waveguide, can directly affect the perform…
Ultra-Low-Noise MIMO Distributed Acoustic Sensor Using Few-Mode Optical Fibers
Distributed optical fiber acoustic sensing technology (DAS) based on Rayleigh backscattering (RBS) is experiencing a rapid development because of the unique capability of measuring acoustic waves a…
Difference-Frequency Generation of Random Fiber Lasers for Broadly Tunable Mi…
Random fiber lasers (RFLs) can generate flexible near-infrared lasing wavelengths with high power/high efficiency in simple configurations, which could be excellent candidates to realize low spatia…
A Modified Equivalent Circuit Model for High-Speed InGaAs/InAlAs Avalanche Ph…
In this paper, we establish a modified equivalent circuit model suitable for all bias conditions for high-speed InGaAs/InAlAs avalanche photodiodes (APDs). The model includes three mechanisms: the …
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