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New possibilities with holey fibers

New possibilities with holey fibers
New possibilities with holey fibers
1. Background: A new class of optical fiber has recently emerged which shows considerable promise; holey fibers have highly tailorable optical properties arising from their design flexibility [1, 2]. Typically holey fibers (HFs) are made from undoped silica, and have a cladding region formed by air holes running along the fiber length. The holes are often arranged in a periodic lattice [as in Fig. 1(a)], and the core is formed by an absent air hole. However the holes do not need to be periodically arranged or even be of constant size for the HF to guide light [3] [see Fig. 1(b)]. Either type of HF can guide because the cladding has a lower effective refractive index than the core. Although this guidance mechanism is conceptually simple, the optical properties of HFs vary dramatically depending on the hole arrangement. This is because the holes are on the same scale as the wavelength, and so the effective cladding index is strongly dependent on both the wavelength and the
hole arrangement. A small subset of HFs of the type shown in Fig. 1(a) (i.e. with periodically arranged holes) can guide light via band gap effects [4], but we do not consider this more exacting mechanism here.
Monro, T.M.
4f0295a8-d9ec-45a5-b72b-72908f2549bb
Bennett, P.J.
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Broderick, N.G.R.
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Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Monro, T.M.
4f0295a8-d9ec-45a5-b72b-72908f2549bb
Bennett, P.J.
e7be07a4-bbed-499c-b759-29391778474e
Broderick, N.G.R.
4cfa2c7c-097a-48d6-b221-4e92ad1c6aea
Richardson, D.J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3

Monro, T.M., Bennett, P.J., Broderick, N.G.R. and Richardson, D.J. (2000) New possibilities with holey fibers. OFC 2000, Baltimore, United States. 07 - 12 Mar 2000.

Record type: Conference or Workshop Item (Other)

Abstract

1. Background: A new class of optical fiber has recently emerged which shows considerable promise; holey fibers have highly tailorable optical properties arising from their design flexibility [1, 2]. Typically holey fibers (HFs) are made from undoped silica, and have a cladding region formed by air holes running along the fiber length. The holes are often arranged in a periodic lattice [as in Fig. 1(a)], and the core is formed by an absent air hole. However the holes do not need to be periodically arranged or even be of constant size for the HF to guide light [3] [see Fig. 1(b)]. Either type of HF can guide because the cladding has a lower effective refractive index than the core. Although this guidance mechanism is conceptually simple, the optical properties of HFs vary dramatically depending on the hole arrangement. This is because the holes are on the same scale as the wavelength, and so the effective cladding index is strongly dependent on both the wavelength and the
hole arrangement. A small subset of HFs of the type shown in Fig. 1(a) (i.e. with periodically arranged holes) can guide light via band gap effects [4], but we do not consider this more exacting mechanism here.

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More information

e-pub ahead of print date: 2000
Additional Information: ThG4
Venue - Dates: OFC 2000, Baltimore, United States, 2000-03-07 - 2000-03-12

Identifiers

Local EPrints ID: 16989
URI: https://eprints.soton.ac.uk/id/eprint/16989
PURE UUID: ef4877e4-136e-42bd-9a35-b35ad231e324
ORCID for D.J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058

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Date deposited: 26 Aug 2005
Last modified: 12 Nov 2019 02:03

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Contributors

Author: T.M. Monro
Author: P.J. Bennett
Author: N.G.R. Broderick
Author: D.J. Richardson ORCID iD

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