Zero–group-velocity modes in chalcogenide holey photonic-crystal fibers
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Johnson_Zero-group.pdf
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1.52 MB
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Author(s)
Oskooi, Ardavan
Joannopoulos, John D.
Johnson, Steven G.
Date Issued
June 2009
Journal
Optics Express
Publisher
Optical Society of America
Citation
Oskooi, Ardavan F., J. D. Joannopoulos, and Steven G. Johnson. “Zero–group-velocity Modes in Chalcogenide Holey Photonic-crystal Fibers.” Optics Express 17.12 (2009): 10082. Web. 26 June 2012. © 2009 Optical Society of America
Version
Final published version
Abstract
We demonstrate that a holey photonic-crystal fiber with chalcogenide-glass index contrast can be designed to have a complete gap at a propagation constant β=0 that also extends into the non-zero β region. This type of bandgap (previously identified only at index contrasts unattainable in glasses) opens up a regime for guiding zero—group-velocity modes not possible in holey fibers with the more common finger-like gaps originating from β→∞. Such modes could be used to enhance nonlinear and other material interactions, such as for hollow-core fibers in gas-sensor applications.
MIT Department
MIT Materials Research Laboratory
Massachusetts Institute of Technology. Institute for Soldier Nanotechnologies
Massachusetts Institute of Technology. Department of Mathematics
Massachusetts Institute of Technology. Department of Physics
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1364/OE.17.010082
