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Updated: Jun 1, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

Widely tunable extreme UV frequency comb generation.

T J Pinkert1, D Z Kandula, C Gohle

  • 1LaserLaB Amsterdam, Institute for Lasers, Life and Biophotonics, Vrije Universiteit, De Boelelaan 1081, 1081 HV Amsterdam, The Netherlands.

Optics Letters
|June 3, 2011
PubMed
Summary

Researchers generated extreme ultraviolet (XUV) frequency combs using amplified infrared (IR) laser pulses. This new method successfully detected excitation signals in Helium, Neon, and Argon gases.

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Area of Science:

  • Quantum Optics
  • Attosecond Science
  • Spectroscopy

Background:

  • Frequency combs are precise light sources crucial for spectroscopy.
  • Generating frequency combs in the extreme ultraviolet (XUV) range is challenging but enables new research.
  • High-order harmonic generation (HHG) is a key technique for producing XUV light.

Purpose of the Study:

  • To develop a novel method for generating XUV frequency combs.
  • To demonstrate the system's capability in probing atomic gases.
  • To achieve high-visibility measurements in the XUV spectrum.

Main Methods:

  • Utilized two consecutive infrared (IR) frequency comb pulses amplified by an optical parametric chirped pulse amplifier.
  • Employed high-order harmonic generation (HHG) to produce XUV light.
  • Recorded direct XUV frequency comb excitation signals in Helium (He), Neon (Ne), and Argon (Ar).

Main Results:

  • Successfully generated XUV frequency combs in the 51 to 85 nm wavelength range.
  • Achieved direct XUV frequency comb excitation signals with visibilities up to 61%.
  • Demonstrated the versatility of the system across different noble gases.

Conclusions:

  • The developed system provides a robust platform for XUV frequency comb generation.
  • This technique opens new avenues for high-resolution spectroscopy in the XUV region.
  • The ability to probe He, Ne, and Ar showcases the broad applicability of the method.