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Generation and Coherent Control of Pulsed Quantum Frequency Combs
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Steady-state microbunching in a storage ring for generating coherent radiation.

Daniel F Ratner1, Alexander W Chao

  • 1Department of Applied Physics, Stanford University, Stanford, California 94305, USA.

Physical Review Letters
|January 15, 2011
PubMed
Summary

We propose steady-state microbunching (SSMB) in storage rings to generate high-brightness, high-repetition-rate coherent radiation. This technique could enable new light sources for applications from extreme ultraviolet lithography to soft X-rays.

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Area of Science:

  • Physics
  • Materials Science
  • Engineering

Background:

  • Synchrotrons and free electron lasers offer high brightness or high repetition rates.
  • Few light sources currently provide both high brightness and high repetition rates outside the optical spectrum.

Purpose of the Study:

  • To propose and describe a method for generating steady-state microbunching (SSMB) in storage rings.
  • To enable the production of coherent radiation at high repetition rates or in continuous wave mode.
  • To explore potential applications and future extensions of the SSMB technique.

Main Methods:

  • Describing a general mechanism for producing SSMB within a storage ring.
  • Providing sample parameters for specific applications like extreme ultraviolet lithography and submillimeter sources.
  • Outlining a configuration for generating two variable-spaced pulses for pump-probe experiments.

Main Results:

  • A general mechanism for achieving steady-state microbunching (SSMB) is presented.
  • Sample parameters demonstrate feasibility for extreme ultraviolet lithography and submillimeter sources.
  • A method for producing dual pulses with adjustable spacing is described.

Conclusions:

  • Steady-state microbunching offers a pathway to high-brightness, high-repetition-rate coherent radiation sources.
  • The technique has potential applications in lithography, submillimeter wave generation, and advanced spectroscopy.
  • Future advancements could extend SSMB capabilities into the soft X-ray range.