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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 29, Iss. 4 — Apr. 1, 2012
  • pp: 833–840

Shaped pulses transported through an optical fiber in the nonlinear regime for selective excitation of two-photon transitions

Monika Pawłowska, Alexander Patas, Georg Achazi, Nona Rahmat, Fabian Weise, and Albrecht Lindinger  »View Author Affiliations


JOSA B, Vol. 29, Issue 4, pp. 833-840 (2012)
http://dx.doi.org/10.1364/JOSAB.29.000833


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Abstract

We investigate the evolution of ultrashort pulses with an antisymmetric spectral phase during propagation through an optical fiber in presence of nonlinear effects. The shaped pulses are then applied for selective excitation of nonresonant two-photon transitions. Both numerical simulations and measurements confirm that a certain class of antisymmetric phase, a π-step, remains approximately antisymmetric—and is therefore suitable for the selective excitation—even though the pulse spectrum is significantly modified by self-phase modulation. Second-harmonic generation is used as a model two-photon transition. Furthermore, the capability of generating two perpendicularly polarized subpulses with independently shaped phase is demonstrated.

© 2012 Optical Society of America

OCIS Codes
(190.4180) Nonlinear optics : Multiphoton processes
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(320.5540) Ultrafast optics : Pulse shaping

ToC Category:
Nonlinear Optics

History
Original Manuscript: July 7, 2011
Revised Manuscript: November 23, 2011
Manuscript Accepted: December 19, 2011
Published: March 30, 2012

Citation
Monika Pawłowska, Alexander Patas, Georg Achazi, Nona Rahmat, Fabian Weise, and Albrecht Lindinger, "Shaped pulses transported through an optical fiber in the nonlinear regime for selective excitation of two-photon transitions," J. Opt. Soc. Am. B 29, 833-840 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-4-833

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