Effects of Asymptomatic Infections on the Spatial Spread of Infectious Diseases
Asymptomatic infection and transmission are common for quite a few directly or indirectly transmitted diseases such as COVID-19, cholera, and Zika fever. In this paper, we propose a susceptible-inf…
Behaviors of Photosensitive Mechanisms in a Low-Loss Fiber at Different Energ…
The photosensitive behaviors in laser grating formation is an important guideline for the preparation of drawing tower gratings (DTGs) in different optical fibers. We conducted static single-pulse …
Simultaneous Measurement of Temperature and Relative Humidity Using Cascaded …
In this paper, a novel platform for simultaneous measurement of relative humidity (RH) and temperature using dual Fabry–Perot interferometers (FPIs) based on C-shaped fiber was demonstrated. The …
Integrated High-Repetition-Rate Optical Sampling Chip Exploiting Wavelength a…
We report a silicon-based integrated optical sampling chip. High-repetition-rate optical sampling pulses are generated by interleaving low-repetition-rate input optical pulses with the assistance o…
A 1.4-kW Mode-Controllable Fiber Laser System
We demonstrated a mode-controllable fiber laser system with output power of 1.4 kW level. The system consists of a kilowatt-scale master oscillator power amplifier and an active feedback control sy…
8 × 10 Gb/s Downstream PAM-4 Transmission for Cost-Effective Coherent WDM-PO…
We experimentally demonstrate digital signal processing (DSP)-free 8 × 10 Gb/s 4-level pulse-amplitude modulation (PAM-4) transmission for cost-effective coherent wavelength division multiplexing …
Few-Layer Graphene Integrated Tilted Fiber Grating For All-Optical Switching
Recently, the integration of two-dimensional materials with optical fibers has opened up a great opportunity to develop all-fiber signal-processing devices. Graphene is an ideal material for all-op…
Modeling Gain Mechanisms in Amorphous Silicon Due to Efficient Carrier Multip…
Amorphous materials have low mobility due to their nature of disorder. Surprisingly, some disordered materials showed photocurrent amplification not by conventional photoconductive gain. Recently, …
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