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Journal Article

Seven-octave high-brightness and carrier-envelope-phase-stable light source

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/persons/resource/persons201209

Tani,  Francesco
Russell Emeritus Group, Emeritus Groups, Max Planck Institute for the Science of Light, Max Planck Society;

Novoa,  David
Russell Emeritus Group, Emeritus Groups, Max Planck Institute for the Science of Light, Max Planck Society;

/persons/resource/persons201064

Frosz,  Michael H.
Fibre Fabrication and Glass Studio, Technology Development and Service Units, Max Planck Institute for the Science of Light, Max Planck Society;

/persons/resource/persons201171

Russell,  Philip St.J.
Russell Emeritus Group, Emeritus Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Elu, U., Maidment, L., Vamos, L., Tani, F., Novoa, D., Frosz, M. H., et al. (2020). Seven-octave high-brightness and carrier-envelope-phase-stable light source. Nature Photonics, 15, 277-280. doi:10.1038/s41566-020-00735-1.


Cite as: https://hdl.handle.net/21.11116/0000-0009-D10E-C
Abstract
High-brightness sources of coherent and few-cycle-duration light waveforms with spectral coverage from the ultraviolet to the terahertz would offer unprecedented versatility and opportunities for a wide range of applications from bio-chemical sensing1 to time-resolved and nonlinear spectroscopy, and to attosecond light-wave electronics. Combinations of various sources with frequency conversion and supercontinuum generation can provide relatively large spectral coverage, but many applications require a much broader spectral range and low-jitter synchronization for time-domain measurements. Here, we present a carrier-envelope-phase (CEP)-stable light source, seeded by a mid-infrared frequency comb, with simultaneous spectral coverage across seven optical octaves, from the ultraviolet (340 nm) into the terahertz (40,000 nm). Combining soliton self-compression and dispersive wave generation in an anti-resonant-reflection photonic-crystal fibre with intra-pulse difference frequency generation in BaGa2GeSe6, the spectral brightness is two to five orders of magnitude above that of synchrotron sources. This will enable high-dynamic-range spectroscopies and provide numerous opportunities in attosecond physics and material sciences.