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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 23 — Nov. 7, 2011
  • pp: 23400–23407

Shaper-assisted phase optimization of a broad “holey” spectrum

Miaochan Zhi, Kai Wang, Xia Hua, Benjamin D. Strycker, and Alexei V. Sokolov  »View Author Affiliations

Optics Express, Vol. 19, Issue 23, pp. 23400-23407 (2011)

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We develop a technique for optimizing the phase of broad spectrally-separated frequency sidebands—a “holey” spectrum. We use a source of multiple-order coherent Raman sidebands, obtained by crossing femtosecond pump and Stokes beams in synthetic single-crystal diamond. We combine the sidebands into a single beam and show the phase coherence among the sidebands by investigating the interference between them in groups of three while varying one sideband phase by an acousto-optics pulse shaper. We then show how we optimize the broad “holey” spectrum by overcoming the limited temporal shaping window of the pulse shaper. We also explore how the resultant second harmonic/sum frequency generation of the full combined broadband spectrum varies as we vary different sideband phases. This step-by-step phase optimization of the “holey” spectrum can be applied to sidebands with similar structure to synthesize arbitrary optical waveforms.

© 2011 OSA

OCIS Codes
(190.5650) Nonlinear optics : Raman effect
(320.5540) Ultrafast optics : Pulse shaping
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

ToC Category:
Frequency Conversion, Combs and Nonlinear Waveguides

Original Manuscript: September 6, 2011
Revised Manuscript: October 18, 2011
Manuscript Accepted: October 24, 2011
Published: November 2, 2011

Virtual Issues
Nonlinear Optics (2011) Optical Materials Express

Miaochan Zhi, Kai Wang, Xia Hua, Benjamin D. Strycker, and Alexei V. Sokolov, "Shaper-assisted phase optimization of a broad “holey” spectrum," Opt. Express 19, 23400-23407 (2011)

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