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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 26 — Dec. 30, 2013
  • pp: 32141–32150

Mode excitation and supercontinuum generation in a few-mode suspended-core fiber

Igor Shavrin, Steffen Novotny, and Hanne Ludvigsen  »View Author Affiliations


Optics Express, Vol. 21, Issue 26, pp. 32141-32150 (2013)
http://dx.doi.org/10.1364/OE.21.032141


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Abstract

We have studied the excitation of higher-order modes and their role in supercontinuum generation in a three-hole silica suspended-core fiber, both experimentally and numerically. We find that pump coupling optimized to highest transmission can yield substantial excitation of higher order modes. With up to about 40% of the pump power coupled to higher order modes, we have studied supercontinuum generation in this fiber. In agreement with experiments, simulation results based on the multimode generalized nonlinear Schrödinger equation confirm that the spectral width is determined by spectral broadening in the fundamental mode, whereas the numerical analysis reveals that intermodal nonlinear interactions are strongly suppressed.

© 2013 OSA

OCIS Codes
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(060.4005) Fiber optics and optical communications : Microstructured fibers
(320.6629) Ultrafast optics : Supercontinuum generation

ToC Category:
Ultrafast Optics

History
Original Manuscript: November 21, 2013
Revised Manuscript: December 11, 2013
Manuscript Accepted: December 11, 2013
Published: December 18, 2013

Citation
Igor Shavrin, Steffen Novotny, and Hanne Ludvigsen, "Mode excitation and supercontinuum generation in a few-mode suspended-core fiber," Opt. Express 21, 32141-32150 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-26-32141


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