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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Dissertation
Horloge à réseau optique au Strontium : une 2ème génération d'horloges à atomes froids
TL;DR: Les fontaines atomiques, basees sur une transition micro-onde du Cesium ou du Rubidium, constituent l'etat de l'art des horloges atomique, avec une exactitude relative avoisinant 10^-16.
Journal ArticleDOI
Control of Two-Photon Absorption in Organic Compounds by Pulse Shaping: Spectral Dependence
TL;DR: By simulating the two-photon transition probability in molecular systems, taking into account the band structure and its positions, this work could explain the experimental results trends.
Journal ArticleDOI
Fabrication of highly nonlinear germano-silicate glass optical fiber incorporated with PbTe semiconductor quantum dots using atomization doping process and its optical nonlinearity.
TL;DR: The absorption bands attributed to PbTe semiconductor quantum dots in the fiber core were found to appear at around 687 nm and 1055 nm, and the nonlinear refractive index measured by the long-period fiber grating pair method upon pumping with laser diode was estimated to be ~1.5 × 10(-16) m2/W.
Journal ArticleDOI
Observation of symmetrical reflection sidebands in a silica suspended-core fiber Bragg grating.
Ming Leung Vincent Tse,Kit Man Chung,Liang Dong,B. K. Thomas,L. B. Fu,Kei-Chun Davis Cheng,Chao Lu,Hwa Yaw Tam +7 more
TL;DR: The temperature and strain responses of the fiber Bragg gratings are characterized, and it is shown that both responses in the suspended-core fiber are 20 to 25% lower than that of a Fiber Bragg grating written on a conventional fiber.
Journal ArticleDOI
Optical Coherence Tomography: Principles and Applications
TL;DR: Optical coherence tomography (OCT) as mentioned in this paper is an emerging technology for performing high-resolution cross-sectional imaging, analogous to ultrasound, except that it uses light instead of sound to generate images of tissue with micron-scale resolution.
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.