Results 91 to 100 of about 41,398 (301)

Spectrally tunable phase-biased NALM mode-locked Yb:fiber laser with nJ-level pulse energy

open access: yesJPhys Photonics
Applications of mode-locked fiber lasers benefit from robust and self-starting mode-locking, spectral tuning, high pulse energy and high average power.
Saeid Ebrahimzadeh   +9 more
doaj   +1 more source

Phase-locked arrays of unstable resonator semiconductor lasers [PDF]

open access: yes, 1986
A phase-locked array of several unstable resonator semiconductor lasers is demonstrated.
Salzman, J., Yariv, A.
core   +1 more source

Indirect Band Edge and Chain‐Locked Linear Dichroism in the Quasi‐1D Van der Waals Antiferromagnet AgCrP2S6

open access: yesAdvanced Functional Materials, EarlyView.
AgCrP2S6 reveals a momentum‐indirect band edge (≈1.35 eV) and chain‐locked linear dichroism: the first direct transitions emerge at 1.6–1.8 eV for E||a. Resonant Raman and photoemission corroborate this assignment. In ACPS/graphene heterostructures, photocurrent turns on above ≈1.5 eV and follows the same polarization selection rules (anisotropy ≈0.53),
Oleksandr Volochanskyi   +9 more
wiley   +1 more source

Observation of Dissipative Soliton Resonance in a Net-Normal Dispersion Figure-of-Eight Fiber Laser

open access: yesIEEE Photonics Journal, 2013
High-energy square pulses operating in dissipative soliton resonance region are experimentally observed in an erbium-doped figure-of-eight fiber laser with large net-normal dispersion for the first time to our knowledge. The dissipative soliton resonance
Jin-hui Yang   +6 more
doaj   +1 more source

2D Magnetic and Topological Quantum Materials and Devices for Ultralow Power Spintronics

open access: yesAdvanced Functional Materials, EarlyView.
2D magnets and topological quantum materials enable ultralow‐power spintronics by combining robust magnetic order with symmetry‐protected, Berry‐curvature‐driven transport. Fundamentals of 2D anisotropy and spin‐orbit‐coupling induced band inversion are linked to scalable growth and vdW stacking.
Brahmdutta Dixit   +5 more
wiley   +1 more source

Analytic Technique For Active Mode-Locked Fiber Lasers [PDF]

open access: yesEngineering and Technology Journal, 2010
In this work, Aِmplitude modulation mode-locked fiber laser isstudied,by using Ytterbium Doped Fiber Laser, single mode fiber,operating with 1055 nm wavelength with 976 nm optical pump and AMMode-Locked by optical modulators.
Mohammed S. Mehde   +2 more
doaj   +1 more source

Topological temporally mode-locked laser

open access: yesNature Physics
11 pages, 6 ...
Christian R. Leefmans   +6 more
openaire   +3 more sources

Electrocatalytic Reduction of CO2 to Ethylene: Catalyst Design and Synchrotron‐Based Characterizations

open access: yesAdvanced Functional Materials, EarlyView.
This review evaluates strategies for electrochemical CO2 reduction to ethylene, focusing on copper‐based catalyst design and microenvironment modulation to achieve industrial‐grade performance. By leveraging operando synchrotron‐based characterizations, we provide a multiscale understanding of dynamic structural transformations and key reaction ...
Meng Zhang, Zuolong Chen, Yimin A. Wu
wiley   +1 more source

Femtosecond Mode-locked Fiber Laser at 1 μm Via Optical Microfiber Dispersion Management

open access: yesScientific Reports, 2018
Mode-locked Yb-doped fiber lasers around 1 μm are attractive for high power applications and low noise pulse train generation. Mode-locked fiber lasers working in soliton and stretched-pulse regime outperform others in terms of the laser noise ...
Lizhen Wang   +7 more
doaj   +1 more source

Broader, flatter optical spectra of passively mode-locked semiconductor lasers for a wavelength-division multiplexing source [PDF]

open access: yes, 1997
Using the time domain master equation for a complex electric-field pulse envelope, we find analytical results for the optical spectra of passively mode-locked semiconductor lasers. The analysis includes the effect of optical nonlinearity of semiconductor
Eliyahu, Danny   +2 more
core   +1 more source

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