Mid infrared gas spectroscopy using efficient fiber laser driven photonic chip-based supercontinuum

D Grassani, E Tagkoudi, H Guo, C Herkommer… - Nature …, 2019 - nature.com
Directly accessing the middle infrared, the molecular functional group spectral region, via
supercontinuum generation processes based on turn-key fiber lasers offers the undeniable …

Toward all-fiber supercontinuum spanning the mid-infrared

DD Hudson, S Antipov, L Li, I Alamgir, T Hu… - Optica, 2017 - opg.optica.org
Broadband laser light sources in the mid-infrared region attract enormous interest due to the
plethora of applications they are enabling, including multispecies trace gas detection, free …

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 …

On-chip chalcogenide microresonators with low-threshold parametric oscillation

B Zhang, P Zeng, Z Yang, D **a, J Zhao, Y Sun… - Photonics …, 2021 - opg.optica.org
Chalcogenide glass (ChG) is an attractive material for highly efficient nonlinear photonics,
which can cover an ultrabroadband wavelength window from the near-visible to the footprint …

[HTML][HTML] Broadband, tunable wavelength conversion using tapered silicon fibers extending up to 2.4 μm

D Wu, TS Saini, S Sun, M Huang, Q Fu, TW Hawkins… - APL Photonics, 2023 - pubs.aip.org
Wavelength conversion via four-wave mixing holds great promise for the construction of
broadband and tunable light sources at wavelengths beyond 2 μm. In this work, we design …

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

S **ng, 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 …

Tunable mid-infrared generation via wide-band four-wave mixing in silicon nitride waveguides

AS Kowligy, DD Hickstein, A Lind, DR Carlson… - Optics Letters, 2018 - opg.optica.org
We demonstrate wide-band frequency down-conversion to the mid-infrared (MIR) using four-
wave mixing (FWM) of near-infrared (NIR) femtosecond-duration pulses from an Er: fiber …

In situ fabrication of far-detuned optical fiber wavelength converters

I Alamgir, N Abdukerim, M Rochette - Optics Letters, 2019 - opg.optica.org
We demonstrate an in situ approach for the fabrication of all-fiber wavelength converters
with a wavelength offset that is both far-detuned and precisely engineered. Such wavelength …

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 …

Enhanced tunable mid-infrared emissions by controlling rare earth ion energy transfer processes in multifunctional multiphase solids

Y Li, Y Li, M Cai, B Li, F Huang, R Lei, S Xu - Journal of the European …, 2021 - Elsevier
Owing to the increasing application of high-performance and multifunctional mid-infrared
(MIR) optoelectronic devices, it is important to achieve a high emission efficiency and …