Reflective-Type High Sensitivity Optical Fiber Hydrogen Sensor Based On Enlar…
Highly sensitive reflective-type fiber hydrogen sensor based on an enlarged taper cascaded with a tilted fiber grating (TFBG) was proposed. Hydrogen-sensitive Au-Pd nanofilm was coated on the TFBG …
Recurrent Neural Network Based Joint Equalization and Decoding Method for Tre…
In this paper, a joint equalization and decoding method based on recurrent neural networks (RNNs) is proposed for trellis coded modulation (TCM) systems. For traditional methods based on concatenat…
TL-ANN Based Nonlinear Equalization for Multi-Users Radio Over Fiber System
To mitigate nonlinear distortions in multi-user analog radio over fiber (A-RoF) system, a nonlinear equalizer (NLE) which combines transfer learning (TL) and waveform regression-based artificial ne…
Nanosecond Fiber Laser Step-Tunable From 3.87 to 4.5 μm in HBr-Filled Hollow…
We report here a wavelength widely step-tunable nanosecond 4 μm fiber laser based on HBr-filled hollow-core fibers (HCFs), which is pumped by an acousto-optic modulated narrow linewidth 2 μm thul…
Kerr Frequency Comb and Stimulated Raman Comb Covering S+C+L+U Band Based on …
Optical microresonators supported whispering gallery modes (WGMs) are one of the most cost-effective platforms for optical frequency comb generated due to their advantages of ultra-high quality ( Q…
Optical Spectral Shaping Based on Reconfigurable Integrated Microring Resonat…
We demonstrate a multifunctional optical spectral shaper on a silicon photonic chip. The proposed structure is composed of a tunable microring resonator (MRR) and three tunable Sagnac loop mirrors …
Ultra-High Sensitive Fiber Optic Hydrogen Sensor in Air
A compact fiber optic hydrogen sensing system employing self-referenced configuration and controllable light heating technologies, is proposed and experimentally demonstrated with ultra-high sensit…
Orbital Angular Momentum Modes (De)Multiplexer Without Mode Conversion Based …
The mode-matching/finite-element (MM/FE) method based on complex power matching is applied for the design of strongly guiding coupled ring-core fibers (RCFs) to modulate orbital angular momentum (O…
Modal Dynamics in Kilowatt Cladding-Pumped Random Distributed Feedback Raman …
Random distributed-feedback Raman fiber lasers (RRFLs) are promising contenders in the applications of remote sensing, biotechnology, imaging, thanks to the unique properties on low coherence and w…
On the Benefit of Privatization in a Mixed Duopoly Service System
We consider a mixed duopoly service system with two service providers (SPs): one private and the other public. The public SP’s objective is welfare maximization, whereas the private SP is profit …
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