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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 10 — May. 9, 2011
  • pp: 9750–9758

Self-similar pulses in coherent linear amplifiers

Soodeh Haghgoo and Sergey A. Ponomarenko  »View Author Affiliations


Optics Express, Vol. 19, Issue 10, pp. 9750-9758 (2011)
http://dx.doi.org/10.1364/OE.19.009750


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Abstract

We discover and analytically describe self-similar pulses existing in homogeneously broadened amplifying linear media in a vicinity of an optical resonance. We demonstrate numerically that the discovered pulses serve as universal self-similar asymptotics of any near-resonant short pulses with sharp leading edges, propagating in coherent linear amplifiers. We show that broadening of any low-intensity seed pulse in the amplifier has a diffusive nature: Asymptotically the pulse width growth is governed by the simple diffusion law. We also compare the energy gain factors of short and long self-similar pulses supported by such media.

© 2011 OSA

OCIS Codes
(260.0260) Physical optics : Physical optics
(260.2030) Physical optics : Dispersion
(320.0320) Ultrafast optics : Ultrafast optics
(320.5540) Ultrafast optics : Pulse shaping
(320.5550) Ultrafast optics : Pulses

ToC Category:
Ultrafast Optics

History
Original Manuscript: March 18, 2011
Revised Manuscript: April 21, 2011
Manuscript Accepted: April 21, 2011
Published: May 4, 2011

Citation
Soodeh Haghgoo and Sergey A. Ponomarenko, "Self-similar pulses in coherent linear amplifiers," Opt. Express 19, 9750-9758 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-10-9750


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