Results 41 to 50 of about 331,774 (318)

High-Sensitivity Sensing for Relative Humidity and Temperature Based on an Optoelectronic Oscillator Using a Polyvinyl Alcohol-Fiber Bragg Grating-Fabry Perot Filter

open access: yesIEEE Access, 2019
In this paper, a relative humidity (RH) and temperature sensing scheme with high sensitivity based on an optoelectronic oscillator (OEO) is proposed and experimentally demonstrated. A polyvinyl alcohol-Fiber Bragg grating-Fabry Perot (PVA-FBG-FP) filter,
Naihan Zhang   +8 more
doaj   +1 more source

The Evolution of Optical Networking.

open access: yesProc. IEEE, 2012
C3 - Journal Articles Unrefereed Letters or ...
Ioannis Tomkos   +4 more
openaire   +4 more sources

Patent Technology Network Analysis of Machine-Learning Technologies and Applications in Optical Communications

open access: yes, 2020
As the Internet of Things (IoT) develops, applying machine learning on optical communications has become a prospective field of research. Scholars have mostly concentrated on algorithmic techniques or specific applications but have been unable to address
Shu-Hao Chang
core   +1 more source

Analysis and Design of Leaky-Wave Antenna with Low SLL Based on Half-Mode SIW Structure

open access: yesInternational Journal of Antennas and Propagation, 2015
This paper presents a novel leaky-wave antenna based on the Half-Mode Substrate Integrated Waveguide (HMSIW) structure with low side lobe level. The effect of the structural parameters of the LWAs on the radiation performances is studied.
Jiaying Guo   +4 more
doaj   +1 more source

Refractive Index and Temperature Sensing Based on an Optoelectronic Oscillator Incorporating a Fabry–Perot Fiber Bragg Grating

open access: yesIEEE Photonics Journal, 2018
An ultrafast high-sensitivity refractive index (RI) and temperature-sensing system based on an optoelectronic oscillator (OEO) is proposed and demonstrated in this paper.
Yuguang Yang   +10 more
doaj   +1 more source

Numerical Simulation of the CS2-Filled Active Fiber With Flattened All-Normal Dispersion

open access: yesIEEE Photonics Journal, 2021
A CS2-filled Er-doped fiber, which can provide high nonlinearity and gain, low and flat all-normal dispersion profile, low loss and single-mode operation in the wavelength range of 1500–2500 nm, is proposed and analyzed by numerical simulation ...
ChunCan Wang   +5 more
doaj   +1 more source

Time and frequency transfer over optical networks [PDF]

open access: yes, 2013
This paper aims to summarize and express network requirements of time and frequency transfer over optical networks performed in National Research and Education networks of France and Czech Republic.
Camisard, Emilie; GIP RENATER   +1 more
core   +1 more source

Thermally Induced Mode Amplification Characteristics of Large Mode Area Segmented Cladding Fiber

open access: yesIEEE Photonics Journal, 2021
A model of amplifier based on large mode area (LMA) segmented cladding fiber (SCF) is proposed. High order modes (HOMs) filtering effect and thermal-induced modal evolution characteristics are theoretically investigated by the few-mode steady state rate ...
Caijian Xie   +6 more
doaj   +1 more source

Optical Phase Conjugation With Complex-Valued Deep Neural Network for WDM 64-QAM Coherent Optical Systems

open access: yesIEEE Photonics Journal, 2021
We experimentally demonstrated a photoelectric nonlinear compensation scheme of optical phase conjugation (OPC) with complex-valued deep neural network (CVDNN) to mitigate fiber nonlinearity in wavelength division multiplexing (WDM) 64-QAM coherent ...
Lei Wang   +4 more
doaj   +1 more source

Serological Benefit of SARS‐CoV‐2 Vaccination Relative to Infection in Children With Acute Lymphoblastic Leukemia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Children with acute lymphoblastic leukemia (ALL) are at risk of severe outcomes from SARS‐CoV‐2 (SCV2). In the post‐pandemic context, where most children have been infected with SCV2, there are limited data on whether vaccination remains beneficial in children with ALL.
Janna R. Shapiro   +11 more
wiley   +1 more source

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