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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 10 — May. 7, 2012
  • pp: 11271–11276

Formation of X-pulses in periodically gain/loss modulated materials

Yurii Loiko, Muriel Botey, Ramon Herrero, and Kestutis Staliunas  »View Author Affiliations

Optics Express, Vol. 20, Issue 10, pp. 11271-11276 (2012)

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We propose a versatile and efficient technique for the formation of X-pulses in materials with a periodical gain/loss modulation on the wavelength scale. We show that in such materials the strong wave-vector anisotropy of amplification/attenuation of the Bloch modes enables the shaping of ultra-short light pulses around the edges of the first Brillouin zone. X-pulses generation is numerically demonstrated and the optimum conditions are derived; specific characteristics of X-pulses can be tailored by appropriate selection of the geometry and modulation depth.

© 2012 OSA

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1940) Diffraction and gratings : Diffraction
(070.6110) Fourier optics and signal processing : Spatial filtering
(320.5540) Ultrafast optics : Pulse shaping
(320.5550) Ultrafast optics : Pulses
(070.3185) Fourier optics and signal processing : Invariant optical fields
(050.5298) Diffraction and gratings : Photonic crystals
(070.7345) Fourier optics and signal processing : Wave propagation

ToC Category:
Diffraction and Gratings

Original Manuscript: February 28, 2012
Revised Manuscript: April 13, 2012
Manuscript Accepted: April 17, 2012
Published: May 2, 2012

Yurii Loiko, Muriel Botey, Ramon Herrero, and Kestutis Staliunas, "Formation of X-pulses in periodically gain/loss modulated materials," Opt. Express 20, 11271-11276 (2012)

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