Results 1 to 10 of about 24,082,670 (324)

Sleep Apnea Syndrome Sensing at C-Band [PDF]

open access: yesIEEE Journal of Translational Engineering in Health and Medicine, 2018
A non-intrusive sleep apnea detection system using a C-Band channel sensing technique is proposed to monitor sleep apnea syndrome in real time. The system utilizes perturbations of RF signals to differentiate between patient's breathing under normal and ...
Xiaodong Yang   +8 more
doaj   +5 more sources

High-throughput quantum photonic devices emitting indistinguishable photons in the telecom C-band. [PDF]

open access: yesNat Commun, 2023
Single indistinguishable photons at telecom C-band wavelengths are essential for quantum networks and the future quantum internet. However, high-throughput technology for single-photon generation at 1550 nm remained a missing building block to overcome ...
Holewa P   +16 more
europepmc   +3 more sources

The normalised Sentinel-1 Global Backscatter Model, mapping Earth's land surface with C-band microwaves. [PDF]

open access: yesSci Data, 2021
We present a new perspective on Earth’s land surface, providing a normalised microwave backscatter map from spaceborne Synthetic Aperture Radar (SAR) observations.
Bauer-Marschallinger B   +11 more
europepmc   +2 more sources

On-Demand Generation of Entangled Photon Pairs in the Telecom C-Band with InAs Quantum Dots. [PDF]

open access: yesACS Photonics, 2021
Entangled photons are an integral part in quantum optics experiments and a key resource in quantum imaging, quantum communication, and photonic quantum information processing.
Zeuner KD   +11 more
europepmc   +2 more sources

A Single-Longitudinal-Mode S + C Band Wavelength-Tunable Fiber Laser [PDF]

open access: yesSensors
An external cavity wavelength-fiber ring laser (ECWTFL) based on a semiconductor optical amplifier and a combined wavelength scanning filter in the Littrow configuration is proposed and experimentally demonstrated.
Da Liu, Yi Jiang
doaj   +2 more sources

C-band waveguide polarizer

open access: yes, 2021
This research presents the design and characteristics of new wideband polarizer based on the square waveguide with irises. Matching and polarization characteristics of the polarizer have been simulated and optimized. Frequency dependences of the characteristics are presented. Developed polarizer can be applied in satellite information systems.
S. Piltyay
openaire   +3 more sources

Facile design of an ultra-thin broadband metamaterial absorber for C-band applications.

open access: yesSci Rep, 2019
We report a facile design of an ultra-thin broadband metamaterial absorber (MA) for C-band applications by utilizing a single layer of a metal-dielectric-metal structure of FR-4 substrate.
Hoa NTQ, Tuan TS, Hieu LT, Giang BL.
europepmc   +2 more sources

Bright Source of Purcell‐Enhanced, Triggered, Single Photons in the Telecom C‐Band

open access: yesAdvanced Quantum Technologies, 2023
Several emission features mark semiconductor quantum dots as promising non‐classical light sources for prospective quantum implementations. For long‐distance transmission and Si‐based on‐chip processing, the possibility to match the telecom C‐band is ...
C. Nawrath   +12 more
semanticscholar   +1 more source

LOW-COST C-BAND SIW BANDPASS FILTER USING FR4-EPOXY SUBSTRATE

open access: yesJordanian Journal of Computers and Information Technology, 2023
This paper describes a substrate integrated waveguide (SIW) filter built on an Fr4-Epoxy substrate with a dielectric constant 4.4 and a height of h=1.6mm.
Ahcene ABED   +3 more
doaj   +1 more source

Strategies for Upgrading an Operator's Backbone Network Beyond the C-Band: Towards Multi-Band Optical Networks

open access: yesIEEE Photonics Journal, 2021
Telecommunication networks are becoming the central linking institution of the Fourth Industrial Revolution. To cope with the associated capacity and connectivity challenges, transportation networks may explore the -neglected so far- remaining ...
D. Uzunidis   +4 more
semanticscholar   +1 more source

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