Watt-scale super-octave mid-infrared intrapulse difference frequency generation

Christian Gaida; Martin Gebhardt; Tobias Heuermann; Fabian Stutzki; Cesar Jauregui; Jose Antonio-Lopez; Axel Schülzgen; Rodrigo Amezcua-Correa; Andreas Tünnermann; Ioachim Pupeza; Jens Limpert

doi:10.1038/s41377-018-0099-5

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Watt-scale super-octave mid-infrared intrapulse difference frequency generation

Original Articles

- Watt-scale super-octave mid-infrared intrapulse difference frequency generation
- Light: Science & Applications Vol. 7, Issue 6, Pages: 925-932(2018)
- Affiliations：
  
  1.Institute of Applied Physics, Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Albert-Einstein-Str. 15, 07745, Jena, Germany
  2.Helmholtz-Institute Jena, Fröbelstieg 3, 07743, Jena, Germany
  3.Fraunhofer Institute for Applied Optics and Precision Engineering, Albert-Einstein-Str. 7, 07745, Jena, Germany
  4.CREOL, College of Optics and Photonics, University of Central Florida, Orlando, FL, 32816, USA
  5.Max-Planck-Institute of Quantum Optics, Hans-Kopfermann-Str. 1, 85748, Garching, Germany
- Author bio：
  
  Christian Gaida (christian.gaida@uni-jena.de)
- Funds：
- DOI：10.1038/s41377-018-0099-5
  CLC：
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Gaida, C. et al. Watt-scale super-octave mid-infrared intrapulse difference frequency generation. Light: Science & Applications, 6, 925-932 (2018).
DOI：

Gaida, C. et al. Watt-scale super-octave mid-infrared intrapulse difference frequency generation. Light: Science & Applications, 6, 925-932 (2018). DOI： 10.1038/s41377-018-0099-5.

摘要

Abstract

The development of high-power, broadband sources of coherent mid-infrared radiation is currently the subject of intense research that is driven by a substantial number of existing and continuously emerging applications in medical diagnostics, spectroscopy, microscopy, and fundamental science. One of the major, long-standing challenges in improving the performance of these applications has been the construction of compact, broadband mid-infrared radiation sources, which unify the properties of high brightness and spatial and temporal coherence. Due to the lack of such radiation sources, several emerging applications can be addressed only with infrared (IR)-beamlines in large-scale synchrotron facilities, which are limited regarding user access and only partially fulfill these properties. Here, we present a table-top, broadband, coherent mid-infrared light source that provides brightness at an unprecedented level that supersedes that of synchrotrons in the wavelength range between 3.7 and 18 µm by several orders of magnitude. This result is enabled by a high-power, few-cycle Tm-doped fiber laser system, which is employed as a pump at 1.9 µm wavelength for intrapulse difference frequency generation (IPDFG). IPDFG intrinsically ensures the formation of carrier-envelope-phase stable pulses, which provide ideal prerequisites for state-of-the-art spectroscopy and microscopy.

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references

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