Chalcogenide taper and its nonlinear effects and sensing applications

S Gao, X Bao - Iscience, 2020 - cell.com
The nonlinear coefficient of chalcogenide glass is 200–1000 times larger than that of silica
glass, and it is transparent in the 1–15 μm wavelength windows, which makes the nonlinear …

Semiconductor optical amplifiers at 2.0‐µm wavelength on silicon

N Volet, A Spott, EJ Stanton… - Laser & Photonics …, 2017 - Wiley Online Library
A semiconductor optical amplifier at 2.0‐µm wavelength is reported. This device is
heterogeneously integrated by directly bonding an InP‐based active region to a silicon …

Linearly chirped mid-infrared supercontinuum in all-normal-dispersion chalcogenide photonic crystal fibers

S Xing, S Kharitonov, J Hu, CS Brès - Optics express, 2018 - opg.optica.org
We demonstrate all-normal dispersion supercontinuum generation in chalcogenide photonic
crystal fibers pumped at 2070-2080 nm with a femtosecond fiber laser. At 2.9 kW peak …

Mid-infrared wavelength conversion from As2Se3 microwires

L Li, N Abdukerim, M Rochette - Optics letters, 2017 - opg.optica.org
We demonstrate all-fiber far-detuned and widely tunable mid-infrared wavelength
conversion using As_2Se_3 microwires. In a first experiment, an idler is generated and …

Mid-infrared continuous-wave parametric amplification in chalcogenide microstructured fibers

S Xing, D Grassani, S Kharitonov, L Brilland… - Optica, 2017 - opg.optica.org
The persistent growth of interest in the middle infrared (MIR) is stimulating the development
of sources and components. Novel waveguides and fibers for the efficient use of nonlinear …

Mid-infrared supercontinuum generation using As2Se3 photonic crystal fiber and the impact of higher-order dispersion parameters on its supercontinuum bandwidth

MR Karim, H Ahmad, S Ghosh, BMA Rahman - Optical Fiber Technology, 2018 - Elsevier
A dispersion engineered As 2 Se 3 chalcogenide hexagonal photonic crystal fiber which can
produce a mid-infrared supercontinuum (SC) spectral evolution spanning from 2 μ m to …

Elliptical As2Se3 filled core ultra-high-nonlinearity and polarization-maintaining photonic crystal fiber with double hexagonal lattice cladding

F Li, M He, X Zhang, M Chang, Z Wu, Z Liu, H Chen - Optical Materials, 2018 - Elsevier
A high birefringence and ultra-high nonlinearity photonic crystal fiber (PCF) is proposed,
which is composed of an elliptical As 2 Se 3-doped core and an inner cladding with …

Fiber fuse in chalcogenide photonic crystal fibers

S Xing, S Kharitonov, J Hu, CS Brès - Optics Letters, 2018 - opg.optica.org
We observe fiber fuse in tapered GeAsSe photonic crystal fibers (PCF) at around 7 MW/cm^
2 of intra-core intensity. Vertically cleaved facets from the un-tapered regions and the …

High Extinction-Ratio and Near-Zero Dispersion Chalcogenide Polarization Maintaining Photonic Crystal Fibers in Mid-Infrared

Y Liang, X Wang, Z Gu, Y Guan, L He… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
In this paper, we report the preparation and properties of a novel chalcogenide photonic
crystal fiber with a high extinction ratio (ER). The Ge 10 As 22 Se 68 preform was fabricated …

Mid-infrared microfiber Bragg gratings

D Cai, Y Xie, P Wang, L Zhang, X Guo, L Tong - Optics Letters, 2020 - opg.optica.org
We report mid-infrared (mid-IR) Bragg gratings fabricated on sub-wavelength-diameter
chalcogenide glass (ChG) microfibers. ChG microfibers with diameters around 3 µm are …