Intra-pulse difference-frequency generation of mid-infrared (2.7–20 μm) by random quasi-phase-matching

J Zhang, K Fritsch, Q Wang, F Krausz, KF Mak… - Optics letters, 2019 - opg.optica.org
We present a mid-infrared (MIR) source based on intra-pulse difference-frequency
generation under the random quasi-phase-matching condition. The scheme enables the use …

Kerr-lens mode-locked Cr: ZnS oscillator reaches the spectral span of an optical octave

S Vasilyev, I Moskalev, V Smolski, J Peppers… - Optics …, 2021 - opg.optica.org
We report, to the best of our knowledge, the first super-octave femtosecond polycrystalline
Cr: ZnS laser at the central wavelength 2.4 µm. The laser is based on a non-polarizing …

Broadband mid-infrared coverage (2–17 μm) with few-cycle pulses via cascaded parametric processes

Q Wang, J Zhang, A Kessel, N Nagl, V Pervak… - Optics Letters, 2019 - opg.optica.org
A myriad of existing and emerging applications could benefit from coherent and broadband
mid-infrared (MIR) light. Yet, existing tabletop sources are often complex or sensitive to …

High repetition rate mid-infrared supercontinuum generation from 1.3 to 5.3 μ m in robust step-index tellurite fibers

S Kedenburg, C Strutynski, B Kibler… - Journal of the Optical …, 2017 - opg.optica.org
We demonstrate broadband supercontinuum generation over two infrared octaves,
spanning from 1.3 to 5.3 μm, with an output power of 150 mW in robust step-index tellurite …

Efficient femtosecond mid-infrared generation based on a Cr: ZnS oscillator and step-index fluoride fibers

N Nagl, KF Mak, Q Wang, V Pervak, F Krausz… - Optics letters, 2019 - opg.optica.org
Femtosecond light sources in the 3–5 μm region are highly sought after for numerous
applications. While they can be generated by using nonlinear effects in optical fibers, the …

Octave-Spanning Supercontinuum Generation in As2S3-Silica Hybrid Waveguides Pumped by Thulium-Doped Fiber Laser

V Voropaev, S **e, A Donodin, D Batov… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
Broadband supercontinuum sources are of interest for various applications. The near-
infrared region (1-3 μm) is specifically useful for biomedical diagnostics. One of the …

Advances in ultrafast optical parametric sources for the mid-infrared based on CdSiP_2

S Chaitanya Kumar, PG Schunemann… - Journal of the Optical …, 2016 - opg.optica.org
We describe the evolution of ultrafast optical parametric sources for the mid-infrared (mid-IR)
based on the new birefringent nonlinear crystal, cadmium silicon phosphide, CdSiP_2 …

Coherent mid-infrared supercontinuum generation in tapered suspended-core As39Se61 fibers pumped by a few-optical-cycle Cr:ZnSe laser

SO Leonov, Y Wang, VS Shiryaev, GE Snopatin… - Optics Letters, 2020 - opg.optica.org
We report on efficient supercontinuum generation in tapered suspended-core
\rmAs_39\rmSe_61 As_39Se_61 fibers pumped by a femtosecond mode-locked Cr: ZnSe …

Broadband mid-infrared supercontinuum generation in dispersion-engineered As2S3-silica nanospike waveguides pumped by 2.8 μm femtosecond laser

P Wang, J Huang, S **e, J Troles… - Photonics research, 2021 - opg.optica.org
Broadband mid-infrared (IR) supercontinuum laser sources are essential for spectroscopy in
the molecular fingerprint region. Here, we report generation of octave-spanning and …

Coherent supercontinuum generation from 1.4 to 4 μm in a tapered fluorotellurite microstructured fiber pumped by a 1980 nm femtosecond fiber laser

N Li, F Wang, C Yao, Z Jia, L Zhang, Y Feng… - Applied Physics …, 2017 - pubs.aip.org
Coherent supercontinuum light expanding from 1.4 to 4 μm is generated in a 4 cm long
tapered fluorotellurite microstructured fiber (MF) pumped by a 1980 nm femtosecond fiber …