Optoelectronic microwave oscillator based on integrated Si-ITO plasmonic modulator [PDF]
Scientific ReportsWe demonstrate an optoelectronic microwave oscillator based on the integrated plasmon assisted Si-ITO electrooptical modulator on silicon-on-insulator platform.
Alexander S. Smirnov +10 more
doaj +2 more sources
Stable and Low-Spurs Optoelectronic Oscillators: A Review
Applied Sciences (Switzerland), 2018 An optoelectronic oscillator (OEO) is an optoelectronic hybrid oscillator which utilizes ultra-low-loss fiber as an electro-magnetic energy storage element, overcoming the limits of traditional microwave oscillators in phase noise performance.
Anni Liu, Jian Dai, Kun Xu
exaly +3 more sources
Programmable optoelectronic Ising machine for optimization of real-world problems [PDF]
Light: Science & ApplicationsIsing machines offer a paradigm shift from traditional computing methods, tackling complex combinatorial optimization problems (COPs). Despite the proliferation of various Ising machine implementations, their application to solve real-world COPs has been
Zhewen Hu +8 more
doaj +2 more sources
Transparent, Low-Hysteresis Complementary Inverters Using p-Channel SWNT and n-Channel IGZO TFTs for Light-to-Frequency Conversion [PDF]
MicromachinesTransparent and stable complementary inverters that can simultaneously support analog amplification and digital oscillation under optical stimulation are highly demanded for future see-through optoelectronic systems such as smart windows, augmented ...
Sooheon Chae +5 more
doaj +2 more sources
Breaking the phase noise–mode purity trade-off in long-loop OEOs via cascaded zero-dispersion recirculating loops [PDF]
Light: Science & ApplicationsOptoelectronic oscillators (OEOs) generate microwave signals with ultra-low phase noise by incorporating long optical fiber loops as high-Q energy storage elements.
Zhuoran Wang +3 more
doaj +2 more sources
A monolithically integrated optical Ising machine [PDF]
Nature CommunicationsThe growing demand for enhanced computational power and energy efficiency has driven the development of optical Ising machines for solving combinatorial optimization problems.
Bo Wu +8 more
doaj +2 more sources
Delay drift compensation of an optoelectronic oscillator over a large temperature range through continuous tuning [PDF]
Communications EngineeringPhase noise reduces target sensitivity in radar and increases bit error rate in telecommunications systems. Optoelectronic oscillators are known for using optical fibre technology to realise the large delay required to attain superior phase noise ...
Mehedi Hasan +4 more
doaj +2 more sources
Subharmonic injection-locked photonic integrated thin-film lithium niobate optoelectronic oscillator [PDF]
NanophotonicsIntegrated optoelectronic oscillators (OEOs) have emerged as pivotal enablers of compact, energy-efficient solutions for generating high-frequency radio-frequency (RF) signals with exceptional spectral purity – an essential demand in the advancement of ...
Huang Zijun +6 more
doaj +2 more sources
Time-variant parity-time symmetry in frequency-scanning systems [PDF]
Nature CommunicationsParity-time (PT) symmetry is an active research area that provides a variety of new opportunities for different systems with novel functionalities.
Mingjian Li +9 more
doaj +2 more sources
Temporal locking of pulses in injection locked oscillators [PDF]
Scientific ReportsWe demonstrate a novel injection-locking effect in oscillators, which is obtained in both the time and frequency domains. The “temporal-locked” oscillator generates an ultra-low phase noise continuous-wave (CW) signal, accompanied by an ordered train of ...
Vladimir Smulakovsky +3 more
doaj +2 more sources