PatentDOI
Photonic crystal fibres
Philip St. J. Russell,Tim A. Birks,Jonathan Knight +2 more
- Vol. 424, Iss: 6950, pp 847-851
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TLDR
In this paper, the optical properties of a photonic crystal fiber including a plurality of longitudinal holes are altered by virtue of the change in cross-sectional area of holes in that region.Abstract:
A photonic crystal fibre including a plurality of longitudinal holes (220), in which at least some of the holes have a different cross-sectional area in a first region (200) of the fibre, that region having been heat-treated after fabrication of the fibre, from their cross-sectional area in a second region of the fibre (190), wherein the optical properties of the fibre in the heat-treated region (200) are altered by virture of the change in cross-sectional area of holes (230) in that region (200).read more
Citations
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Journal ArticleDOI
Point-Defect-Localized Bound States in the Continuum in Photonic Crystals and Structured Fibers.
TL;DR: In this paper, point defects in two-dimensional photonic crystals can support bound states in the continuum (BICs) and thus provide an alternative mechanism to confine light.
Journal ArticleDOI
Gravitational extension of a fluid cylinder with internal structure
TL;DR: In this article, a model for the extension under gravity of a slender fluid cylinder with internal structure is presented, which decouples into a two-dimensional surface-tension-driven Stokes flow that governs the transverse shape and an axial problem that depends upon transverse flow.
Journal ArticleDOI
Quasi photonic crystal fiber for chemical sensing purpose in the terahertz regime: design and analysis
Bikash Kumar Paul,Bikash Kumar Paul,Kawsar Ahmed,Dhasarathan Vigneswaran,Shuvo Sen,Md. Shadidul Islam +5 more
TL;DR: In this article, a quasi-photonic crystal fiber has been proposed for the chemical sensing purpose in the terahertz (THz) regime, along with the sensing response, power fraction, scattering loss, effective mode area, and V parameter have been numerically computed by the full-vector finite element method with anisotropic circular perfect matched layers.
Journal ArticleDOI
Modal analysis of high-index core tellurite glass microstructured optical fibers in infrared regime
TL;DR: In this article, the fundamental propagation properties of tellurite glasses based high-index core microstructured optical fibers (MOFs) were explored using the field model to judge the feasibility of using nonsilica glasses as the background material.
References
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Journal ArticleDOI
All-silica single-mode optical fiber with photonic crystal cladding
TL;DR: The fabrication of a new type of optical waveguide: the photonic crystal fiber that supports a single robust low-loss guided mode over a very broad spectral range of at least 458-1550 nm.
Journal ArticleDOI
Endlessly single-mode photonic crystal fiber.
TL;DR: An effective-index model confirms that an all-silica optical fiber made by embedding a central core in a two-dimensional photonic crystal with a micrometer-spaced hexagonal array of air holes can be single mode for any wavelength.
Journal ArticleDOI
Visible continuum generation in air–silica microstructure optical fibers with anomalous dispersion at 800 nm
TL;DR: In this article, the authors demonstrate experimentally that air-silica microstructure optical fibers can exhibit anomalous dispersion at visible wavelengths, and exploit this feature to generate an optical continuum 550 THz in width, extending from the violet to the infrared.
Journal ArticleDOI
Single-Mode Photonic Band Gap Guidance of Light in Air.
R.F. Cregan,Brian Joseph Mangan,Jonathan Knight,Tim A. Birks,P. St. J. Russell,Peter John Roberts,Douglas C. Allan +6 more
TL;DR: The confinement of light within a hollow core (a large air hole) in a silica-air photonic crystal fiber is demonstrated and certain wavelength bands are confined and guided down the fiber.