Results 41 to 50 of about 120,081 (291)

Photonic Integrated Circuits for Communication Systems [PDF]

open access: yesRadioengineering, 2018
Photonic Integrated Circuits allow to meet the increasing demand of communication systems for internet which is growing at about 40% per year. This growth is driven mainly by increasing video traffic in the internet network.
J. Chovan, F. Uherek
doaj  

Monolithically Integrated Ge-on-Si Active Photonics

open access: yesPhotonics, 2014
Monolithically integrated, active photonic devices on Si are key components in Si-based large-scale electronic-photonic integration for future generations of high-performance, low-power computation and communication systems.
Jifeng Liu
doaj   +1 more source

Optoelectronic Device for Measuring Radio Signal Samples and Evaluating Its Accuracy Characteristics

open access: yesEng, 2023
When using quadrature signals in radio channels, flat and selective fading, multipath radio reception, intersymbol interference, and jitter occur.
Olga A. Safaryan   +3 more
doaj   +1 more source

Revealing the Biexciton and Trion-exciton Complexes in BN Encapsulated WSe2

open access: yes, 2018
Strong Coulomb interactions in single-layer transition metal dichalcogenides (TMDs) result in the emergence of strongly bound excitons, trions and biexcitons.
Chen, Yanwen   +11 more
core   +3 more sources

Curvy surface conformal ultra-thin transfer printed Si optoelectronic penetrating microprobe arrays [PDF]

open access: yes, 2018
Penetrating neural probe arrays are powerful bio-integrated devices for studying basic neuroscience and applied neurophysiology, underlying neurological disorders, and understanding and regulating animal and human behavior.
Li, Yanbin   +4 more
core   +2 more sources

Prospects of Application and Global Significance of Graphene

open access: yesУспехи физики металлов, 2022
The review article is an excursus into the world publications describing the properties of graphene, methods of synthesis of it and variety of its application fields.
A. I. Denissova, A. V. Volokitin, and I. E. Volokitina
doaj   +1 more source

Characterization of Er in porous Si [PDF]

open access: yes, 2012
The fabrication of porous Si-based Er-doped light emitting devices is a very promising developing field for all-silicon light emitters. However, while luminescence of Er-doped porous silicon devices has been demonstrated, very little attention has been ...
FALQUI, ANDREA   +4 more
core   +3 more sources

Frequency and temperature control for complex system engineering in optoelectronics and electronics: an overview

open access: yesInternational Journal for Simulation and Multidisciplinary Design Optimization, 2020
To take advantage of the physical principles of determining parameters, such as frequency stability, noise and also alignment of optical signals, it is necessary to control complex systems.
Salzenstein Patrice
doaj   +1 more source

New multiplexing scheme for monitoring fiber optic Bragg grating sensors in the coherence domain

open access: yes, 1997
A new multiplexing scheme for monitoring fiber optic Bragg gratings in the coherence domain has been developed. Grating pairs with different grating distances are distributed along a fiber line, and interference between their reflections is monitored ...
Dakin, J.P.   +5 more
core   +1 more source

Valence-band electronic structure evolution of graphene oxide upon thermal annealing for optoelectronics [PDF]

open access: yes, 2016
We report valence-band electronic structure evolution of graphene oxide (GO) upon its thermal reduction. The degree of oxygen functionalization was controlled by annealing temperature, and an electronic structure evolution was monitored using real-time ...
Mattevi, C, Yuji Takakuwa, YT
core   +1 more source

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