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Future Optical Waveguides

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Optics and Lasers".

Deadline for manuscript submissions: closed (15 March 2020) | Viewed by 2664

Special Issue Editors


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Guest Editor
Communication Networks and Applications, University of Peloponnese, 22100 Tripoli, Greece
Interests: forecasting earthquake; prediction earthquake; trading market techniques; optical wireless communications; AI; machine learning; deep learning and applications; optical communication; network protocol performance; sensors; communications; interfaces
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Guest Editor
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China
Interests: optical fibers telecommunications; optical wireless; sensors
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The theory of optical fibers was first dealt with by Hondros and Debye in 1910, and within 110 years, the concept has been implemented and the technology of optical fibers has matured to such an extent as to support today’s internet revolution. The optical fiber waveguide theory has also been realized with superb technologies into state-of-the-art optical fibers and, more recently, into new forms of waveguide ideas which are currently being researched. Furthermore, there have been great strides in developing new design algorithms to model the new waveguide ideas. Clearly, it is not only an area of interest in telecommunications, but also in devices and sensors, and this has opened up possibilities in other optical wavelengths for special applications from lasers to devices. This Special Issue aims to cover the state of the art in algorithmic techniques and solutions to waveguides, including emphasis of new structures and new concepts of waveguides.

Prof. Dr. Anthony C. Boucouvalas
Prof. Min Zhang
Guest Editors

Manuscript Submission Information

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Keywords

  • Waveguide theory techniques
  • Inverse design of waveguides
  • Integrated optic waveguides
  • Photonic crystal structures
  • Metamaterials and photonic band gap
  • Dispersion compensation
  • Nonlinear effects
  • Waveguide theory applied to devices
  • Neural networks and artificial intelligence designs
  • High power delivery using waveguides
  • Particle acceleration waveguide techniques

Published Papers (1 paper)

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Research

10 pages, 2618 KiB  
Article
Supercontinuum Generation in the Cladding Modes of an Endlessly Single-Mode Fiber
by Tobias Baselt, Bryan Nelsen, Andrés Fabián Lasagni and Peter Hartmann
Appl. Sci. 2019, 9(20), 4428; https://doi.org/10.3390/app9204428 - 18 Oct 2019
Cited by 5 | Viewed by 2302
Abstract
In photonic crystal fibers, light guidance can be achieved by a central defect of a periodic structure of air holes in a silica glass matrix and the dispersion can be adjusted over a wide spectral range to enhance nonlinear effects. By coupling short [...] Read more.
In photonic crystal fibers, light guidance can be achieved by a central defect of a periodic structure of air holes in a silica glass matrix and the dispersion can be adjusted over a wide spectral range to enhance nonlinear effects. By coupling short pulse laser radiation into the core with tight confinement and utilizing the nonlinear properties of glass, this radiation can be converted to a broad spectral distribution. The tight confinement puts limits on the maximum pulse fluence propagating in the core due to the damage threshold of the glass. Therefore, when higher power spectral densities are desired, it is favorable to spread the generation of light over a much larger area to prevent fiber damage. We present here a method for generating a supercontinuum using the cladding modes of an endlessly single-mode fiber. These modes generate a supercontinuum utilizing a multimodal quasi-continuum of states, for which dispersion is governed by the guiding properties of the material between the air-filled holes in the cladding. The system also provides experimental access to unique phenomena in nonlinear optics. Simulations of the propagation properties of the core mode and cladding modes were compared with measurements of the group-velocity dispersion in a modified white-light Mach–Zehnder interferometer. The coupling of similar laser parameters into the cladding of the photonic crystal fiber enables a significant increase in conversion efficiency in the visible spectral range compared with the core-pumped case. Full article
(This article belongs to the Special Issue Future Optical Waveguides)
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