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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 17 — Sep. 1, 2009
  • pp: 2673–2675

Spectral dynamics of spatially incoherent bump-on-tail instability

Dmitry V. Dylov and Jason W. Fleischer  »View Author Affiliations


Optics Letters, Vol. 34, Issue 17, pp. 2673-2675 (2009)
http://dx.doi.org/10.1364/OL.34.002673


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Abstract

We examine an all-optical bump-on-tail instability by considering the nonlinear interaction of two partially incoherent spatial beams. Using a radiation transport approach, we develop plasmalike dispersion relations for perturbation modes and show that a positive gradient in the power spectrum can trigger instability. Theoretical considerations are confirmed by experiment and numerical simulation.

© 2009 Optical Society of America

OCIS Codes
(030.6600) Coherence and statistical optics : Statistical optics
(190.3100) Nonlinear optics : Instabilities and chaos
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in

ToC Category:
Nonlinear Optics

History
Original Manuscript: February 24, 2009
Revised Manuscript: August 3, 2009
Manuscript Accepted: August 4, 2009
Published: August 31, 2009

Citation
Dmitry V. Dylov and Jason W. Fleischer, "Spectral dynamics of spatially incoherent bump-on-tail instability," Opt. Lett. 34, 2673-2675 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-17-2673

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