Results 21 to 30 of about 20,256 (255)

Optimality analysis of train platforming and routing with different interlocking modes

open access: yesCommunications in Transportation Research, 2022
The train platforming and routing (TPR) problem is to decide train operations within stations after the network-wise train schedules are determined. A feasible TPR plan requires both platform and route conflict-free, where the avoidance of route conflict
Yuan Wang, Xiaopeng Li
doaj   +1 more source

Passively Mode-Locked Raman Laser [PDF]

open access: yesPhysical Review Letters, 2010
We report on the observation of a novel mode locked optical comb generated at the Raman offset (Raman comb) in an optically pumped crystalline whispering gallery mode resonator. Mode locking is confirmed via measurement of the radio-frequency beat note produced by the optical comb on a fast photodiode.
Liang, W.   +5 more
openaire   +3 more sources

Mode-locking of mobile discrete breathers [PDF]

open access: yesPhysical Review E, 2005
We study numerically synchronization phenomena of mobile discrete breathers in dissipative nonlinear lattices periodically forced. When varying the driving intensity, the breather velocity generically locks at rational multiples of the driving frequency.
Zueco, D.   +3 more
openaire   +3 more sources

Injection dynamics in spin-wave active ring oscillator (SWARO) [PDF]

open access: yesAIP Advances
We investigated injection locking in spin-wave active ring oscillators (SWAROs) operating in the multi-mode regime. By applying external RF signals with varying frequency and power, we identified the locking behavior of individual modes and extracted the
Anirban Mukhopadhyay   +2 more
doaj   +1 more source

Irrational Mode Locking in Quasiperiodic Systems [PDF]

open access: yesPhysical Review Letters, 2007
4 pages, 3 figures, 1 table; revision: 2 figures modified, reference added, minor ...
Middleton, Alan, Thomas, Creighton K.
openaire   +3 more sources

Active mode-locking via pump modulation in a Tm-doped fiber laser

open access: yesAPL Photonics, 2016
We propose and experimentally realize a new class of actively mode-locking technique using pump modulation for rare-earth doped fiber lasers. A Tm-doped fiber laser at 2 μm is mode-locked using the proposed active mode-locking via pump modulation ...
Yu Wang, Sze Y. Set, Shinji Yamashita
doaj   +1 more source

Bound Soliton Fiber Laser Mode-Locking Without Saturable Absorption Effect

open access: yesIEEE Photonics Journal, 2016
Stable bound soliton laser mode-locking is experimentally demonstrated in an environmentally stable hybrid mode-locked Er-doped fiber laser without incorporating (equivalent) nonlinear saturable absorption effects.
Cheng-Jhih Luo   +2 more
doaj   +1 more source

Experimental Investigation of the Wavelength Tunability in All-Normal-Dispersion Ytterbium-Doped Mode-Locked Fiber Lasers

open access: yesIEEE Photonics Journal, 2013
The wavelength tunability of all-normal-dispersion (ANDi) ytterbium (Yb)-doped mode-locked fiber laser is experimentally investigated, where the laser is mode-locked by nonlinear polarization rotation and the wavelength is adjusted by an intracavity ...
Xiaosheng Xiao   +3 more
doaj   +1 more source

Mode-locking of lasers

open access: yesPhotoniques, 2023
Mode-locked lasers are the fundamental source of ultrashort and ultraintense light pulses and a principal pathway for three Nobel Prize technologies: optical frequency combs, chirped pulse amplification, and attosecond light pulses. They are essential in routine and high-level applications such as refractive surgery, spectroscopy, or metrology.
Prati, Franco   +3 more
openaire   +3 more sources

Mode-Locking Thulium-Doped Fiber Laser With 1.78-GHz Repetition Rate Based on Combination of Nonlinear Polarization Rotation and Semiconductor Saturable Absorber Mirror

open access: yesIEEE Photonics Journal, 2017
We experimentally demonstrate a passively mode-locking thulium-doped fiber laser based on the combination of the nonlinear polarization rotation (NPR) and the semiconductor saturable absorber mirror (SESAM).
Jia Qingsong   +6 more
doaj   +1 more source

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