Results 1 to 10 of about 2,049 (291)

Visible‐wavelength pulsed lasers with low‐dimensional saturable absorbers

open access: yesNanophotonics, 2020
The recent renaissance in pulsed lasers operating in the visible spectral region has been driven by their significant applications in a wide range of fields such as display technology, medicine, microscopy, material processing, and scientific research ...
Jinhai Zou, Qiujun Ruan, Bin Xu
exaly   +3 more sources

2D Saturable Absorbers for Fibre Lasers [PDF]

open access: yesApplied Sciences (Switzerland), 2015
Two-dimensional (2D) nanomaterials are an emergent and promising platform for future photonic and optoelectronic applications. Here, we review recent progress demonstrating the application of 2D nanomaterials as versatile, wideband saturable absorbers ...
R I Woodward, E J R Kelleher
exaly   +4 more sources

Plasmonic Saturable Absorbers [PDF]

open access: yesAdvanced Photonics Research, 2021
Plasmonic materials are able to spatially confine light to a nanometer scale far smaller than the diffraction limit, resulting in drastically enhanced electrical field strength and stimulating applications in nonlinear optics, energy, and biomedicine ...
Di Zhao   +3 more
doaj   +2 more sources

Solitons in ultrafast semiconductor lasers with saturable absorber [PDF]

open access: yesNanophotonics
We describe structure localization and dissipative solitons in a semiconductor laser with a saturable absorber exhibiting gain/absorption recovery times shorter than the photon lifetime.
Lugiato Luigi   +3 more
doaj   +6 more sources

Terahertz saturable absorbers from liquid phase exfoliation of graphite [PDF]

open access: yesNature Communications, 2017
Graphene shows promise for saturable absorption, a key property for ultrafast lasing, yet graphene saturable absorbers operating in the terahertz region suffer from low absorption modulation.
Vezio Bianchi   +13 more
doaj   +2 more sources

Ultrafast terahertz saturable absorbers using tailored intersubband polaritons [PDF]

open access: yesNature Communications, 2020
Structures that can enhance the capabilities of quantum cascade lasers are highly sought after to improve their practicality for a range of applications.
Jürgen Raab   +10 more
doaj   +2 more sources

Ultrafast Fiber Lasers with Low-Dimensional Saturable Absorbers: Status and Prospects [PDF]

open access: yesSensors, 2021
Wide-spectral saturable absorption (SA) in low-dimensional (LD) nanomaterials such as zero-, one-, and two-dimensional materials has been proven experimentally with outstanding results, including low saturation intensity, deep modulation depth, and fast ...
Pulak Chandra Debnath, Dong-Il Yeom
doaj   +2 more sources

Virtual FBGs Using Saturable Absorbers for Sensing with Fiber Lasers [PDF]

open access: yesSensors, 2018
The spectral narrowing of Fiber Bragg Gratings (FBGs) introduced by unpumped Er-doped fiber (EDF) was analyzed for fiber lasers (FL). Owing to spatial hole burning (SHB), the spectral response of a virtual FBG can be employed for narrowing the band pass ...
Luis Rodriguez-Cobo   +5 more
doaj   +2 more sources

A Comparison for Saturable Absorbers: Carbon Nanotube Versus Graphene

open access: yesAdvanced Photonics Research, 2022
Saturable absorbers (SAs) have been regarded as a low‐cost yet robust and compact solution to pulse generation in different fiber and solid‐state ultrafast lasers. Following the development of different artificial SAs and semiconductor SA mirrors, carbon
Kuen Yao Lau   +2 more
exaly   +2 more sources

Low-Threshold and Long-Term Stable Soliton Fiber Laser Using PbSe/PbS Quantum Dot-Polystyrene Composite Saturable Absorber [PDF]

open access: yesNanomaterials
Colloidal PbSe quantum dots are promising candidates as saturable absorbers for ultrafast fiber lasers, but their performance is often limited by surface-related defects and chemical instability, leading to aggregation under optical pumping.
Bin Yang   +4 more
doaj   +2 more sources

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