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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 11 — Jun. 1, 2010
  • pp: 1807–1809

Sub-10 fs deep-ultraviolet pulses generated by chirped-pulse four-wave mixing

Yuichiro Kida, Jun Liu, Takahiro Teramoto, and Takayoshi Kobayashi  »View Author Affiliations

Optics Letters, Vol. 35, Issue 11, pp. 1807-1809 (2010)

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We propose and demonstrate experimentally a novel way of generating sub- 10 fs deep-UV pulses. The technique is based on chirped-pulse four-wave mixing induced by a broadband near-IR (NIR) pulse and a near-UV pulse. The broadband IR pulse is prepared by preliminarily broadening the spectral width of an NIR pulse by self-phase modulation. The positively chirped broadband IR pulse is suitable for generating a negatively chirped deep-UV pulse, which can be compressed by normal group-velocity dispersion in a transparent medium. Self-compression of the generated deep-UV pulse in air has been demonstrated to produce sub- 10 fs deep-UV pulses with excellent temporal and spectral profiles for ultrafast spectroscopy in the deep UV.

© 2010 Optical Society of America

OCIS Codes
(320.5520) Ultrafast optics : Pulse compression
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Ultrafast Optics

Original Manuscript: January 6, 2010
Revised Manuscript: March 12, 2010
Manuscript Accepted: April 15, 2010
Published: May 20, 2010

Yuichiro Kida, Jun Liu, Takahiro Teramoto, and Takayoshi Kobayashi, "Sub-10 fs deep-ultraviolet pulses generated by chirped-pulse four-wave mixing," Opt. Lett. 35, 1807-1809 (2010)

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