Journal ArticleDOI
Visible continuum generation in air–silica microstructure optical fibers with anomalous dispersion at 800 nm
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TLDR
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.Abstract:
We demonstrate experimentally for what is to our knowledge the first time that air–silica microstructure optical fibers can exhibit anomalous dispersion at visible wavelengths. We exploit this feature to generate an optical continuum 550 THz in width, extending from the violet to the infrared, by propagating pulses of 100-fs duration and kilowatt peak powers through a microstructure fiber near the zero-dispersion wavelength.read more
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Patent
Photonic bandgap fibers
Liang Dong,Peng Xiang +1 more
TL;DR: In this article, photonic bandgap fibers designed to provide a desired dispersion spectrum are discussed, and designs for achieving wide transmission bands and lower transmission loss are also discussed, including low index cladding features distributed along concentric rings or circles.
Journal ArticleDOI
On the use of PML for the computation of leaky modes: An application to microstructured optical fibres
TL;DR: In this article, the authors present a complete analysis of leaky modes within a microstructured optical fiber (MOF) and some new numerical results illustrating the versatility and accuracy of their approach are given.
Journal ArticleDOI
Highly nonlinear As2Se3-based chalcogenide photonic crystal fiber for midinfrared supercontinuum generation
Rim Cherif,Amine Ben Salem,Mourad Zghal,Pascal Besnard,Thierry Chartier,Laurent Brilland,Johann Troles +6 more
TL;DR: In this article, the authors proposed a real, highly nonlinear, As2Se3-based chalcogenide photonic crystal fiber in which a supercontinuum spanning more than 2 octaves is generated at =2.8 µm in the femtosecond regime.
Journal ArticleDOI
Demonstration of a PDMS based hybrid grating and Fresnel lens (G-Fresnel) device
TL;DR: A hybrid device that fuses the functions of a grating and a Fresnel lens into a single device that can be useful for the development of miniature optical spectrometers as well as emerging optofluidic applications is demonstrated.
Journal ArticleDOI
Long-wavelength continuum generation about the second dispersion zero of a tapered fiber
J. M. Harbold,Fatih Omer Ilday,Frank W. Wise,Tim A. Birks,William J. Wadsworth,Zhongping Chen +5 more
TL;DR: A dispersion zero of a narrow-diameter tapered fiber is used to generate broadband, near-infrared light and a continuum spanning 1000-1700 nm is produced.
References
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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
Discovery of the soliton self-frequency shift.
TL;DR: The experimental discovery of a continuous shift in the optical frequency of a soliton pulse as it travels down the fiber is described, caused by a Raman self-pumping of the soliton.
Journal ArticleDOI
Self-phase-modulation in silica optical fibers
Roger H. Stolen,Chinlon Lin +1 more
TL;DR: In this paper, the authors report measurements of frequency broadening due to self-phase modulation (SPM) in optical fibers, using single-mode silica-core fibers and mode-locked argon-laser pulses.
Journal ArticleDOI
Group-velocity dispersion in photonic crystal fibers.
TL;DR: The dispersion properties of photonic crystal fibers are calculated by expression of the modal field as a sum of localized orthogonal functions to derive uniform dispersion values for single mode and double mode fibers.
Journal ArticleDOI
Slab-coupled waveguides
TL;DR: The slab-coupled waveguide is a multidielectric waveguide that includes such special cases as the single-material fiber, the rib waveguide, and the strip-loaded film guide as mentioned in this paper.