Graphene based saturable absorber
WebMay 23, 2014 · The as-fabricated GG-SAM with ultra-broad bandwidth, ultrafast recovery time, low absorption, and low cost has great potential as a universal saturable absorber mirror for mode-locking of various bulk lasers with unprecedented spectral coverage. An ultra-broadband graphene-gold film saturable absorber mirror (GG-SAM) with a … WebApr 3, 2015 · We reported that the photonic crystal fiber (PCF) filled with TI:Bi2Te3 nanosheets solution could act as an effective saturable absorber (SA). Employing this TI-PCF SA device; we constructed an ytterbium-doped all-fiber laser oscillator and achieved the evanescent wave mode-locking operation. Due to the large cavity dispersion; the …
Graphene based saturable absorber
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WebJul 28, 2014 · Graphene saturable absorbers (GSAs) have been widely applied in ultra-fast mode-locked fiber lasers. Thanks to the broadband advantage of graphene, we theoretically and experimentally … WebApr 11, 2024 · Q-switched and vector soliton pulses from an Er-doped fiber laser with high stability based on a γ-graphyne saturable absorber . Qingbo Wang, a Zhuo ... As a Dirac material, an allotrope of graphene, namely γ-graphyne (γ-GY), is proved to have excellent nonlinear optical properties. Unfortunately, the saturable absorption properties and ...
WebStarting in 2004, a new type of saturable absorber based on carbon nanotubes was employed for mode locking fiber lasers [162]. In a 2005 experiment ... Normally, graphene-saturable absorbers have been made with either a 2D flat graphene thin film attached closely to the end facet of an optical fiber ferrule (Wang et al., ... WebApr 11, 2024 · Q-switched and vector soliton pulses from an Er-doped fiber laser with high stability based on a γ-graphyne saturable absorber . Qingbo Wang, a Zhuo ... As a …
WebDec 26, 2024 · In this paper, a single-layer graphene saturable absorber mirror (SG-SAM) was coated by a quarter-wave SiO 2 passivated layer, and a significantly enhanced …
WebAbstract. We demonstrate saturable absorption and ultrafast recovery of subwavelength (~λ/5) graphene-plasmonic hybrid metasurfaces. Measurements indicate a saturation fluence as low as 0.15μJ/cm 2 and a recovery time …
WebMar 6, 2024 · Saturable absorption is a nonperturbative nonlinear optical phenomenon that plays a pivotal role in the generation of ultrafast light pulses. Here we show that this … iop water and sewer commissionWebAug 31, 2016 · Controlling the modulation depth of graphene-based saturable absorbers. As shown in the previous section, the modulation depth of a single graphene layer at the two most popular fiber laser wavelengths (1 and 1.55 μm) is quite small, at the level of 1%. Typically, in the case of fiber lasers, such modulation depth is insufficient to initiate ... on the rail tvWebAug 24, 2015 · In this paper, we introduce a graphene-based saturable absorber (GSA) with high damage threshold employing symmetrical evanescent wave interaction for … iopwaittimes.westweb.labcorp.comWebAug 6, 2015 · For those reasons, black phosphorus is now intensively investigated and can complement or replace graphene in various photonics and electronics applications. Here, we demonstrate that black phosphorus can serve as a broadband saturable absorber and can be used for ultrashort optical pulse generation. iop uspsWebFeb 9, 2016 · Also, there are several reports using graphene D-shaped optical fiber saturable absorbers for ultrashort pulses generation 10,11,12,13,14,15,16,17,18, the shortest pulse reported is 423 fs by ... on the rails isle of wightWebMay 1, 2024 · The SA used is based on a SMF with short waveguides and covered with a layer of graphene. The waveguide writing process is as follows. A standard SMF is … iop weather forecastWebJun 1, 2024 · Saturable absorber based on graphene nano-particles is investigated to obtain evanescent-wave mode-locking regime at which is proven to be a better … on the rails