Results 31 to 40 of about 7,132 (302)

Large-mode-area Soliton Fiber Oscillator Mode-locked with Linear Self-stabilized Interferometer

open access: yes, 2022
In this work, we investigate an approach to scale up the output pulse energy in an all polarization-maintaining 17 MHz Yb-doped fiber oscillator via implementation of 25 um core-diameter large-mode-area fibers.
Yi Hua (292248)   +5 more
core   +1 more source

Vortex spin-torque oscillator stabilized by phase locked loop using integrated circuits

open access: yesAIP Advances, 2017
Spin-torque nano-oscillators (STO) are candidates for the next technological implementation of spintronic devices in commercial electronic systems.
Martin Kreissig   +11 more
doaj   +1 more source

Stabilized C-Band Kerr Frequency Comb

open access: yesIEEE Photonics Journal, 2017
We have designed and fabricated a Kerr frequency comb oscillator with 27.5 GHz repetition rate by pumping a whispering gallery mode crystalline resonator with a laser at 1560 nm center wavelength. The oscillator is stabilized to the Rb$^{87}
Wei Liang   +5 more
doaj   +1 more source

Ultrastable Long-Haul Fiber-Optic Radio Frequency Transfer Based on Dual-PLL

open access: yesIEEE Photonics Journal, 2021
In this paper, we demonstrate ultrastable radio-frequency (RF) transfer over long-haul optical fiber link. Our stabilized RF transfer technique is based on high-performance dual phase locked loops (dual-PLL) configuration which improves signal to noise ...
Chenxia Liu   +8 more
doaj   +1 more source

Broadband Continuous-Wave Multi-Harmonic Optical Comb Based on a Frequency Division-by-Three Optical Parametric Oscillator

open access: yesApplied Sciences, 2014
We report a multi-watt broadband continuous-wave multi-harmonic optical comb based on a frequency division-by-three singly-resonant optical parametric oscillator.
Yen-Yin Lin   +4 more
doaj   +1 more source

A Narrow-Linewidth Optical Parametric Oscillator Inserted with Fabry–Perot Etalon

open access: yesPhotonics, 2021
Nowadays, the Fabry–Perot etalon (F–P) has been widely utilized in the optical parametric oscillator (OPO) to improve the filtering performance. In this paper, we reported an F–P etalon composed of two ultra-thin silicon wafers spaced with the air.
Xuefang Hu   +4 more
doaj   +1 more source

Recent advances in ultrafast optical parametric oscillator frequency combs

open access: yes, 2014
We discuss recent advances in the stabilization and application of femtosecond frequency combs based on optical parametric oscillators (OPOs) pumped by femtosecond lasers at 800 and 1060 nm.
Reid, Derryck T.; id_orcid   +2 more
core   +1 more source

Sympathetic cooling and self-oscillations in a hybrid atom-membrane system [PDF]

open access: yes, 2016
Hybrid systems combining mechanical oscillators and ultracold atoms provide novel opportunities for cooling, detection and quantum control of mechanical motion with applications in precision sensing, quantum-level signal transduction and for ...
Faber, Aline
core   +1 more source

Stable frequency transfer for clock synchronization for telecom networks

open access: yesEURASIP Journal on Advances in Signal Processing, 2023
A stable and reliable clock synchronization system that transfers reference clocks to nodes is essential for telecom networks. Mainly, the clock synchronization of telecom networks is carried out through satellite links.
Xiaocheng Wang   +3 more
doaj   +1 more source

Oscillation and Global Asymptotic Stability

open access: yesJournal of Mathematical Analysis and Applications, 2000
The authors establish oscillation results and global asymptotic stability for the difference equation \[ y_{n+1}= A+{y_ny_{n-2} \cdots y_{n-(2k-2)} \over y_{n-1}y_{n-3} \cdots y_{n-(2k-1)}},\;A>0,\;k\geq 2,\;n\geq 2k. \] For related results see the paper of \textit{R. De Vault}, \textit{G. Ladas} and \textit{S. W. Schultz} [Proc. Am. Math. Soc. 126, No.
Mishev, D.P, Patula, W.T
openaire   +2 more sources

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