Compression and Amplification of SWIR Single-Cycle Pulses for Water Window Attosecond Pulse Generation

Adam S Wyatt; Paloma Matia-Hernando; Allan S Johnson; Oliver Alexander; Richard Chapman; Cephise Cacho; Dane R Austin; John W G Tisch; Jon P Marangos; Emma Springate

2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference
(Optica Publishing Group, 2015),
paper CG_3_3

Compression and Amplification of SWIR Single-Cycle Pulses for Water Window Attosecond Pulse Generation

Adam S Wyatt, Paloma Matia-Hernando, Allan S Johnson, Oliver Alexander, Richard Chapman, Cephise Cacho, Dane R Austin, John W G Tisch, Jon P Marangos, and Emma Springate

The European Conference on Lasers and Electro-Optics 2015

Munich Germany
21–25 June 2015
ISBN: 978-1-4673-7475-0

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Attosecond Applications of Mid-IR Sources (CG_3)

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A. S. Wyatt, P. Matia-Hernando, A. S. Johnson, O. Alexander, R. Chapman, C. Cacho, D. R. Austin, J. W. G. Tisch, J. P. Marangos, and E. Springate, "Compression and Amplification of SWIR Single-Cycle Pulses for Water Window Attosecond Pulse Generation," in 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, (Optica Publishing Group, 2015), paper CG_3_3.

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Abstract

The generation of high intensity (~10¹⁵Wcm⁻²) single-cycle (<10fs) short-wavelength infrared (SWIR - central wavelength ~1.7 μm) pulses allows for the generation of isolated attosecond pulses in the ‘water window’ (280–530eV) via high harmonic generation (HHG), enabling ultrafast element-specific dynamical imaging across a broad spectral region of high interest. Sub-millijoule sub-10fs pulses can be routinely generated via self phase modulation in a gas filled hollow-core fibre [1], with the SWIR being generated from the idler of an optical parametric amplifier (OPA) pumped by a commercial Ti:Sapph laser system. Utilizing the idler ensures passive carrier envelope phase stabilization, allowing for the generation of isolated attosecond pulses [2].

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