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Optics, Volume 5, Issue 3

2024 September - 4 articles

Cover Story: Here, we consider how this mode coupling impacts the transfer process. We consider the fiber’s modal properties, including orbital angular momentum, modal group numbers, and principal modes. We also investigate and propose input and output optical components, as well as fiber properties, which better mitigate the deleterious effects of mode coupling. We use the WKB approximation to the scaler wave equation as a guidance to quantify this coupling and then implement corrections to this approximation using exact solutions to the scaler wave equation. We consider methods to circumvent this mode coupling using optical fiber designs, holographic optical components and devices that are commercially available today. Some of these components, such as the holographic gratings and lenses, could be implemented using flat optics. View this paper
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Articles (4)

  • Review
  • Open Access
1 Citations
4,771 Views
11 Pages

27 August 2024

Recovery after visual loss is a key goal of neuroscience and treatments able to improve visual function are still largely lacking. Glaucoma, one of the leading causes of visual disability in the world, is usually associated with elevated intraocular...

  • Article
  • Open Access
1 Citations
1,961 Views
11 Pages

Electric Control of the In-Plane Deflection of Laser Beam Pairs within a Photonic Slab Waveguide

  • Andreas Henkel,
  • Christopher Knoth,
  • Maximilian Buchmüller and
  • Patrick Görrn

21 August 2024

A symmetric laser beam pair can provide unique control over light–matter interactions. When propagating within a symmetric slab waveguide, its non-conical diffraction at a specially designed symmetric leaky waveguide grating can be completely s...

  • Article
  • Open Access
1 Citations
2,451 Views
12 Pages

7 August 2024

Higher-dimensional communications are of interest for multiple reasons, including increasing the classical transmission capacity and, more recently, the quantum state transfer through fibers using the many modes within the fiber. For quantum communic...

  • Article
  • Open Access
1,309 Views
11 Pages

Toraldo’s Composed Pupil: A Theoretical Analysis of the Near Field

  • Daniela Mugnai,
  • Pietro Bolli,
  • Laura Burzagli and
  • Luca Olmi

10 July 2024

Over the years, there has been much speculation to understand whether (and how) it was possible to go below the diffraction limit. An advance in knowledge was achieved with the development of microwave techniques. In fact, more than fifty years after...

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Optics - ISSN 2673-3269