Results 31 to 40 of about 189,479 (217)

Implementation of a Highly-Sensitive and Wide-Range Frequency Measurement Using a Si3N4 MDR-Based Optoelectronic Oscillator

open access: yesIEEE Photonics Journal, 2019
Microwave photonic technologies have been introduced for achieving broadband radio-frequency signal measurement. However, few of the proposed schemes mention the low-power radio-frequency signal detection, which stringently limits their practical ...
Pengcheng Liu   +7 more
doaj   +1 more source

Optically-Injected-Semiconductor-Laser-Based Tunable Dual-Frequency Optoelectronic Oscillator under Subharmonic Microwave Modulation

open access: yesApplied Sciences, 2021
To obtain low-phase-noise microwave signals with a widely tunable frequency range, an optoelectronic oscillator (OEO) was constructed on the basis of an optically injected semiconductor laser (OISL) for the generation of high-quality microwave signals ...
Jiayi Zhao   +6 more
doaj   +1 more source

Optical control of semiconductor synchronized microwave oscillators in the power suppression mode

open access: yesJournal of Telecommunications and Information Technology, 2003
The influence of optical radiation on the performance of the synchronized microwave Gunn-diode oscillator in the coherent signals subtraction mode has been described theoretically and investigated experimentally.
Dmitri A. Usanov   +2 more
doaj   +1 more source

Optoelectronic oscillators for communication systems [PDF]

open access: yes, 2012
We introduce and report recent developments on a novel five port optoelectronic voltage controlled oscillator consisting of a resonant tunneling diode (RTD) optical-waveguide integrated with a laser diode.
Romeira, Bruno, Figueiredo, J. M. L.
core   +1 more source

Low phase noise optical delay line optoelectronic oscillator uncertainty evaluation

open access: yes, 2023
International audienceIn this paper, we present the operation of an optoelectronic oscillator. We look at the evaluation of the uncertainty associated with the measurement of the phase noise of the signal emitted by this oscillator.
Salzenstein, Patrice
core   +1 more source

Coupling magnons to an opto-electronic parametric oscillator [PDF]

open access: yesAPL Photonics
Hybrid magnonic systems have emerged as versatile modular components for quantum signal transduction and sensing applications owing to their capability of connecting distinct quantum platforms.
Junming Wu   +3 more
doaj   +1 more source

Large-scale coherent Ising machine based on optoelectronic parametric oscillator

open access: yesLight: Science & Applications, 2022
Ising machines based on analog systems have the potential to accelerate the solution of ubiquitous combinatorial optimization problems. Although some artificial spins to support large-scale Ising machines have been reported, e.g., superconducting qubits ...
Qizhuang Cen   +10 more
doaj   +1 more source

Optoelectronic properties of four azobenzene-based iminopyridine ligands for photovoltaic application

open access: yesJournal of Taibah University for Science, 2017
Because of organic π-conjugated materials’ optoelectronic properties and potential applications in a wide range of electronic and optoelectronic devices, such as organic solar cells, these materials, including both polymers and oligomers, have been ...
Aziz El alamy   +3 more
doaj   +1 more source

Aperiodic Frequency-Agile Optoelectronic Hybrid Oscillator

open access: yesPhotonics
In modern radar and electronic countermeasure systems, frequency-agile (FA) signal generators with low phase noise are of vital importance. The optoelectronic oscillator (OEO) is restricted by the periodic boundary condition (PBC), despite its superior ...
Tong Yang   +6 more
doaj   +1 more source

Optoelectronic Oscillator Based Sensor Using an On-Chip Sensing Probe

open access: yesIEEE Photonics Journal, 2017
An integrated photonic sensor based on an optoelectronic oscillator with an on-chip sensing probe that is capable of realizing highly sensitive and high-resolution optical sensing is presented.
Suen Xin Chew   +6 more
doaj   +1 more source

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