Results 61 to 70 of about 41,398 (301)

Optimization of Output Characteristics in Figure-9 Mode-Locked Fiber Laser Based on Black Phosphorus Assistance

open access: yesPhotonics
Utilizing the nonlinear effects of black phosphorus (BP), the self-starting threshold and noise performance were optimized in a figure-9 mode-locked fiber laser configuration.
Peiyuan Xiao   +4 more
doaj   +1 more source

Spatially Tailorable Liquid Crystalline Elastomer Alignment During Digital Light Process 3D Printing

open access: yesAdvanced Functional Materials, EarlyView.
Here, we report the fabrication of 3D printable liquid crystalline elastomer (LCE) structures with spatially tailorable alignment domains within the same layer. This work addresses the long‐standing challenge of preparing complex 3D LCE architectures with patterned functional domains to achieve nonlinear deformations. Fabrication of multi‐domains in 3D
Adam Bischoff   +8 more
wiley   +1 more source

Low-Threshold, Multiple High-Order Harmonics Fiber Laser Employing Cr2Si2Te6 Saturable Absorber

open access: yesNanomaterials, 2023
Abundant research findings have proved the value of two-dimensional (2D) materials in the study of nonlinear optics in fiber lasers. However, there remains two problems: how to reduce the start-up threshold, and how to improve the damage threshold, of ...
Nannan Xu   +6 more
doaj   +1 more source

Sub-20-Attosecond Timing Jitter Mode-Locked Fiber Lasers

open access: yes, 2014
We demonstrate 14.3-attosecond timing jitter [integrated from 10 kHz to 94 MHz offset frequency] optical pulse trains from 188-MHz repetition-rate mode-locked Yb-fiber lasers.
Jung, Kwangyun   +8 more
core   +1 more source

Birefringence-Induced Trains of High-Rate Pulses in a Mode-Locked Fiber Laser [PDF]

open access: yes, 2009
The output of a mode-locked erbium-doped ring fiber laser incorporating a section of a polarization-maintaining (PM) fiber is investigated in both numerical simulations and experiments.
Sendowski, Jacob   +2 more
core   +1 more source

Ceramic Particle‐Reinforced Medium‐Entropy Alloys With Outstanding Mechanical Properties Prepared by Novel Micro‐LPBF

open access: yesAdvanced Functional Materials, EarlyView.
An innovative medium entropy alloy (MEA) composite material was fabricated via micro laser powder bed fusion (μ‐LPBF) with appropriate nano‐ceramic particles doping and exhibited markedly improved overall performance, including synergistically enhanced strength and ductility, increased hardness and compressive strength, improved wear resistance and ...
Zhonglin Shen, Mingwang Fu
wiley   +1 more source

Effective Removal of Gordon–Haus Jitter in Mode-Locked Fiber Lasers

open access: yesIEEE Photonics Journal, 2018
We demonstrate the effective removal of Gordon–Haus (GH) jitter in mode-locked fiber lasers based on the narrow bandpass filtering, verified from large positive dispersion to large negative dispersion.
Peng Qin   +3 more
doaj   +1 more source

AlGaInAs/InP Based Five & Three Quantum Wells Mode Locked Laser Diodes: A Comparative Study

open access: yesElektronika ir Elektrotechnika, 2020
Comparison of performance of semiconductor mode-locked laser diodes fabricated using AlGaInAs/InP material containing 5 and 3 quantum wells (QWs) inside the active region is reported.
Jehan Akbar   +3 more
doaj   +1 more source

Optical phase noise and carrier-envelope offset noise of mode-locked lasers [PDF]

open access: yes, 2018
The timing jitter, optical phase noise, and carrier-envelope offset (CEO) noise of passively mode-locked lasers are closely related. New key results concern analytical calculations of the quantum noise limits for optical phase noise and CEO noise ...
Keller, U.   +4 more
core  

Stable operation of a synchronously pumped colliding-pulse mode-locked ring dye laser [PDF]

open access: yes, 1984
Pulses of 100-fsec duration are obtained by synchronous pumping of a colliding-pulse ring dye laser with a mode-locked Ar+-ion laser. Stable operation of the synchronously pumped colliding-pulse mode-locked laser over hours was obtained by a suitable ...
Leonhardt, R.   +2 more
core   +1 more source

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