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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 4 — Feb. 14, 2011
  • pp: 3775–3787

Coherent octave spanning near-infrared and visible supercontinuum generation in all-normal dispersion photonic crystal fibers

Alexander M. Heidt, Alexander Hartung, Gurthwin W. Bosman, Patrizia Krok, Erich G. Rohwer, Heinrich Schwoerer, and Hartmut Bartelt  »View Author Affiliations


Optics Express, Vol. 19, Issue 4, pp. 3775-3787 (2011)
http://dx.doi.org/10.1364/OE.19.003775


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Abstract

We present the first detailed demonstrations of octave-spanning SC generation in all-normal dispersion photonic crystal fibers (ANDi PCF) in the visible and near-infrared spectral regions. The resulting spectral profiles are extremely flat without significant fine structure and with excellent stability and coherence properties. The key benefit of SC generation in ANDi PCF is the conservation of a single ultrashort pulse in the time domain with smooth and recompressible phase distribution. For the first time we confirm the exceptional temporal properties of the generated SC pulses experimentally and demonstrate their applicability in ultrafast transient absorption spectroscopy. The experimental results are in excellent agreement with numerical simulations, which are used to illustrate the SC generation dynamics by self-phase modulation and optical wave breaking. To our knowledge, we present the broadest spectra generated in the normal dispersion regime of an optical fiber.

© 2011 OSA

OCIS Codes
(060.5295) Fiber optics and optical communications : Photonic crystal fibers
(320.6629) Ultrafast optics : Supercontinuum generation

ToC Category:
Ultrafast Optics

History
Original Manuscript: December 16, 2010
Revised Manuscript: January 24, 2011
Manuscript Accepted: January 25, 2011
Published: February 11, 2011

Citation
Alexander M. Heidt, Alexander Hartung, Gurthwin W. Bosman, Patrizia Krok, Erich G. Rohwer, Heinrich Schwoerer, and Hartmut Bartelt, "Coherent octave spanning near-infrared and visible supercontinuum generation in all-normal dispersion photonic crystal fibers," Opt. Express 19, 3775-3787 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-4-3775


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