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
TLDR
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.Abstract:
The confinement of light within a hollow core (a large air hole) in a silica-air photonic crystal fiber is demonstrated Only certain wavelength bands are confined and guided down the fiber, each band corresponding to the presence of a full two-dimensional band gap in the photonic crystal cladding Single-mode vacuum waveguides have a multitude of potential applications from ultrahigh-power transmission to the guiding of cold atomsread more
Citations
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Journal ArticleDOI
Design of a photonic crystal fiber for phase-matched frequency doubling or tripling
TL;DR: A possible phase matching between two fundamental modes guided in an appropriately designed photonic crystal fiber is reported, leading to two different dispersive behaviours for the fundamental and the harmonic waves.
Journal ArticleDOI
Effective area limit of large-mode-area solid-core photonic bandgap fibers for fiber laser applications
TL;DR: In this paper, the bending characteristics of solid-core photonic bandgap fibers (SC-PBGFs) aiming to achieve large mode area (LMA) and effectively single-mode operation with a practically allowable bending radius for high-power Yb-doped fiber lasers and amplifiers were investigated.
Journal ArticleDOI
High-frequency homogenization of zero frequency stop band photonic and phononic crystals
TL;DR: In this article, the authors present an accurate methodology for representing the physics of waves, for periodic structures, through effective properties for a replacement bulk medium: this is valid even for media with zero frequency stop-bands and where high frequency phenomena dominate.
Journal ArticleDOI
Photonic Crystal Fiber Sensors for Strain and Temperature Measurement
TL;DR: The strain sensitivities of the air-silica PCF sensors are comparable or higher than those implemented in conventional single-mode fibers but the temperature sensitivities are much lower.
Journal ArticleDOI
Low-Loss Hollow-Core Anti-Resonant Fibers With Semi-Circular Nested Tubes
TL;DR: In this article, the role of the shape and position of these nested elements was investigated, and it was shown that the loss performance is quite insensitive to the curvature of the nested element.
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.
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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
Hollow metallic and dielectric waveguides for long distance optical transmission and lasers
TL;DR: In this paper, the field configurations and propagation constants of a hollow circular waveguide made of dielectric material or metal for application as an optical waveguide were determined and the increase of attenuation due to curvature of the axis was also determined.
Journal ArticleDOI
Photonic Band Gap Guidance in Optical Fibers
TL;DR: A fundamentally different type of optical waveguide structure is demonstrated, in which light is confined to the vicinity of a low-index region by a two-dimensional photonic band gap crystal.
Journal ArticleDOI
Full 2-D photonic bandgaps in silica/air structures
TL;DR: In this paper, full 2D photonic bandgaps are demonstrated for all polarisations in structures with refractive index contrast as small as that of silica and air, and a new type of optical fiber based on these structures is proposed.