Theoretical and experimental study of light propagation into novel fibers designed for the management of chromatic dispersion

Author(s):  
Jacques Marcou ◽  
Dominique Pagnoux ◽  
F. Brechet ◽  
Phillipe Leproux ◽  
Philippe Roy ◽  
...  
Author(s):  
Frédérique Vanholsbeeck ◽  
Stéphane Coen ◽  
Catherine Martinelli ◽  
Philippe Emplit ◽  
Thibaut Sylvestre

2012 ◽  
Vol 20 (1) ◽  
Author(s):  
K. Zegadło ◽  
M. Karpierz

AbstractFast development of complex structures like microstructural fibers, photonic nanowires or slot waveguides requires numerical tools to predict a light propagation. There are many works concerning weakly guided case, but the microstructural fibers need algorithm for a high step of the refractive index. In this paper, three approximate methods are compared. The comparison concerns a structure consisting of circular cores surrounded by cladding for different values of the refractive index steps. Application of these methods in chromatic dispersion case is also presented. It is shown that certain conditions prefer two dimensional scalar algorithms (based on approximated methods) than three dimensional ones. This allows us to implement more efficient and less complicated methods.


Photonics ◽  
2016 ◽  
Vol 3 (3) ◽  
pp. 50 ◽  
Author(s):  
Mohamed Askoura ◽  
Fabrice Vaudelle ◽  
Jean-Pierre L’Huillier

2021 ◽  
Author(s):  
Shayan Mookherjee

Research activities in this NSF-funded project focused on the design, fabrication and study of a class of photonic circuits and devices in which disorder can be harnessed and controlled. There are two aspects to this project report. Firstly, we report on scientific insights in designing optical structures which can withstand or even utilize disorder for functionality. Secondly, we report on engineering advances in correcting or compensating for defective order.


2021 ◽  
Author(s):  
Yang Hong ◽  
Kyle Bottrill ◽  
Natsupa Taengnoi ◽  
Naresh Kumar Thipparapu ◽  
Yu Wang ◽  
...  

2009 ◽  
Vol 27 (4) ◽  
pp. 426-435 ◽  
Author(s):  
L. Abrardi ◽  
S. Martin-Lopez ◽  
A. Carrasco-Sanz ◽  
F. Rodriguez-Barrios ◽  
P. Corredera ◽  
...  

Author(s):  
Norio Baba ◽  
Norihiko Ichise ◽  
Syunya Watanabe

The tilted beam illumination method is used to improve the resolution comparing with the axial illumination mode. Using this advantage, a restoration method of several tilted beam images covering the full azimuthal range was proposed by Saxton, and experimentally examined. To make this technique more reliable it seems that some practical problems still remain. In this report the restoration was attempted and the problems were considered. In our study, four problems were pointed out for the experiment of the restoration. (1) Accurate beam tilt adjustment to fit the incident beam to the coma-free axis for the symmetrical beam tilting over the full azimuthal range. (2) Accurate measurements of the optical parameters which are necessary to design the restoration filter. Even if the spherical aberration coefficient Cs is known with accuracy and the axial astigmatism is sufficiently compensated, at least the defocus value must be measured. (3) Accurate alignment of the tilt-azimuth series images.


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