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Mid-Infrared Lasers

open access: yesIEEE Photonics Journal, 2010
We review breakthroughs in the area of mid-infrared laser development. We summarize 2009 research across a broad range of mid-infrared laser technologies, including bulk solid-state lasers, fiber lasers, and nonlinear optics for the generation of ...
Timothy J. Carrig, Andrew M. Schober
doaj   +5 more sources

Mid-infrared InAs/InP quantum-dot lasers [PDF]

open access: yesLight: Science & Applications
Mid-infrared semiconductor lasers operating in the 2.0–5.0 μm spectral range play an important role for various applications, including trace-gas detection, biomedical analysis, and free-space optical communication.
Yangqian Wang   +26 more
doaj   +2 more sources

GeSnOI mid-infrared laser technology [PDF]

open access: yesLight: Science & Applications, 2021
GeSn alloys are promising materials for CMOS-compatible mid-infrared lasers manufacturing. Indeed, Sn alloying and tensile strain can transform them into direct bandgap semiconductors.
Binbin Wang   +16 more
doaj   +4 more sources

Mid-infrared hyperchaos of interband cascade lasers

open access: yesLight: Science & Applications, 2022
Chaos in nonlinear dynamical systems is featured with irregular appearance and with high sensitivity to initial conditions. Near-infrared light chaos based on semiconductor lasers has been extensively studied and has enabled various applications.
Yu Deng   +7 more
doaj   +2 more sources

High-power, high-wall-plug-efficiency quantum cascade lasers with high-brightness in continuous wave operation at 3–300μm [PDF]

open access: yesLight: Science & Applications
Quantum cascade lasers (QCLs) are unipolar quantum devices based on inter-sub-band transitions. They break the electron-hole recombination mechanism in traditional semiconductor lasers, overcome the long-lasting bottleneck which is that the emission ...
Manijeh Razeghi, Yanbo Bai, Feihu Wang
doaj   +2 more sources

Broadband Mid-IR Light Sources From Difference Frequency Generators Based on a 2-mm-Long Aperiodically-Poled Lithium-Niobate Crystal

open access: yesIEEE Photonics Journal, 2021
We present a difference frequency generator (DFG) based on a 2-mm-long MgO-doped aperiodically-poled lithium-niobate (APPLN) crystal with a linearly-varying poling-period.
Xi Feng   +6 more
doaj   +1 more source

Development Progress of 3–5 μm Mid-Infrared Lasers: OPO, Solid-State and Fiber Laser

open access: yesApplied Sciences, 2021
A 3–5 μm mid-infrared band is a good window for atmospheric transmission. It has the advantages of high contrast and strong penetration under high humidity conditions. Therefore, it has important applications in the fields of laser medicine, laser radar,
Tingwei Ren   +5 more
doaj   +1 more source

InAs-Based Quantum Cascade Lasers with Extremely Low Threshold

open access: yesPhotonics, 2022
We report InAs-based quantum cascade lasers (QCLs) operating near 14 µm with a threshold current density Jth as low as 0.6 kA/cm2 at room temperature. The threshold obtained is lower than the Jth of the best reported InP-based QCLs to date without facet ...
Kumar Kinjalk   +5 more
doaj   +1 more source

High-Power Mid-Infrared (λ∼3-6 μm) Quantum Cascade Lasers

open access: yesIEEE Photonics Journal, 2022
The performances of mid-infrared (IR) quantum cascade lasers (QCLs) are now reaching a maturity level that enables a variety of applications which require compact laser sources capable of watt-range output powers with high beam quality.
Luke J. Mawst, Dan Botez
doaj   +1 more source

Nanocrystalline (Ho0.03Y0.97)2Hf2O7 luminophore for near- and mid-infrared [PDF]

open access: yesEPJ Web of Conferences, 2023
In recent years, a great scientific effort was dedicated to extending the operating range of lasers and amplifiers beyond the conventional 1.5 – 2.0 μm.
Vařák Petr   +2 more
doaj   +1 more source

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