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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 5 — Mar. 5, 2007
  • pp: 2530–2534

Nonlinear distortion free fiber-based chirped pulse amplification with self-phase modulation up to 2π

Guanghao Zhu, Joel Edinberg, and Chris Xu  »View Author Affiliations

Optics Express, Vol. 15, Issue 5, pp. 2530-2534 (2007)

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We demonstrate the removal of 2π radians of self-phase modulation (SPM) in a fiber-based chirped pulse amplification (CPA) system. Compensation of SPM distortion is achieved in the time domain by using a LiNbO3 electro-optic phase modulator to emulate a negative nonlinear index of refraction. By synthesizing the drive waveform to the phase modulators with two RF frequencies that are phase-locked to the repetition rate of the seed laser, we achieve large phase compensations using cost-effective narrow band electronics. Our technique is simple, robust and can be readily integrated into existing fiber CPA systems.

© 2007 Optical Society of America

OCIS Codes
(190.3270) Nonlinear optics : Kerr effect
(230.2090) Optical devices : Electro-optical devices

ToC Category:
Nonlinear Optics

Original Manuscript: October 27, 2006
Revised Manuscript: December 21, 2006
Manuscript Accepted: December 28, 2006
Published: March 5, 2007

Guanghao Zhu, Joel Edinberg, and Chris Xu, "Nonlinear distortion free fiber-based chirped pulse amplification with self-phase modulation up to 2π," Opt. Express 15, 2530-2534 (2007)

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