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Proceedings Paper

Breaking the glass ceiling: hollow OmniGuide fibers
Author(s): Steven G. Johnson; Mihai Ibanescu; Maksim A. Skorobogatiy; Ori Weisberg; Torkel D. Engeness; Marin Soljacic; Steven A. Jacobs; John D. Joannopoulos; Yoel Fink
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Paper Abstract

We argue that OmniGuide fibers, which guide light within a hollow core by concentric multilayer films having the property of omnidirectional reflection, have the potential to lift several physical limitations of silica fibers. We show how the strong confinement in OmniGuide fibers greatly suppresses the properties of the cladding materials: even if highly lossy and nonlinear materials are employed, both the intrinsic losses and nonlinearities of silica fibers can be surpassed by orders of magnitude. This feat, impossible to duplicate in an index-guided fiber with existing materials, would open up new regimes for long-distance propagation and dense wavelength-division multiplexing (DWDM). The OmniGuide-fiber modes bear a strong analogy to those of hollow metallic waveguides; from this analogy, we are able to derive several general scaling laws with core radius. Moreover, there is strong loss discrimination between guided modes, depending upon their degree of confinement in the hollow core: this allows large, ostensibly multi-mode cores to be used, with the lowest-loss TE01 mode propagating in an effectively single-mode fashion. Finally, because this TE01 mode is a cylindrically symmetrical ('azimuthally' polarized) singlet state, it is immune to polarization-mode dispersion (PMD), unlike the doubly-degenerate linearly-polarized modes in silica fibers that are vulnerable to birefringence.

Paper Details

Date Published: 25 April 2002
PDF: 15 pages
Proc. SPIE 4655, Photonic Bandgap Materials and Devices, (25 April 2002); doi: 10.1117/12.463884
Show Author Affiliations
Steven G. Johnson, OminGuide Communications, Inc. (United States)
Mihai Ibanescu, OmniGuide Communications, Inc. (United States)
Maksim A. Skorobogatiy, OmniGuide Communications, Inc. (United States)
Ori Weisberg, OmniGuide Communications, Inc. (United States)
Torkel D. Engeness, OmniGuide Communications, Inc. (United States)
Marin Soljacic, OmniGuide Communications, Inc. (United States)
Steven A. Jacobs, OmniGuide Communications, Inc. (United States)
John D. Joannopoulos, OmniGuide Communications, Inc. (United States)
Yoel Fink, OmniGuide Communications, Inc. (United States)

Published in SPIE Proceedings Vol. 4655:
Photonic Bandgap Materials and Devices
Ali Adibi; Axel Scherer; Shawn-Yu Lin, Editor(s)

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