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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 2 — Jan. 28, 2013
  • pp: 1448–1455

Mode area scaling with multi-trench rod-type fibers

Deepak Jain, Catherine Baskiotis, and Jayanta Kumar Sahu  »View Author Affiliations

Optics Express, Vol. 21, Issue 2, pp. 1448-1455 (2013)

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We propose a novel all-solid rod-type fiber structure that presents a cylindrical symmetry and low refractive-index contrasts. Effectively single-mode propagation for the fundamental mode is ensured thanks to resonant couplings between Higher Order Modes (HOMs) and cladding modes. Numerical simulations demonstrate the possibility of achieving a fundamental mode effective area as large as 5000µm2 at a wavelength of 1.06μm in fibers ensuring a high leakage loss ratio (>100) between the HOMs and the fundamental mode while keeping the fundamental mode leakage losses at a level lower than 0.2dB/m. Further scaling to an effective area of 12,200µm2 at 1.06μm in an effectively single-mode fiber is also presented by exploiting the power delocalization of several HOMs on top of the high-leakage loss filtering.

© 2013 OSA

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(140.3510) Lasers and laser optics : Lasers, fiber

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: November 12, 2012
Revised Manuscript: December 29, 2012
Manuscript Accepted: January 3, 2013
Published: January 14, 2013

Deepak Jain, Catherine Baskiotis, and Jayanta Kumar Sahu, "Mode area scaling with multi-trench rod-type fibers," Opt. Express 21, 1448-1455 (2013)

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