scholarly journals Fast and Simple Method for Evaluation of Polarization Correction to Propagation Constant of Arbitrary Order Guided Modes in Optical Fibers with Arbitrary Refractive Index Profile

2015 ◽  
Vol 2015 ◽  
pp. 1-11 ◽  
Author(s):  
Anton Bourdine
Keyword(s):  
Refractive Index ◽  
Optical Fibers ◽  
Arbitrary Order ◽  
Propagation Constant ◽  
Refractive Index Profile ◽  
Computational Error ◽  
Index Profile ◽  
Simple Method ◽  
Polarization Correction ◽  
Guided Modes

This work presents fast and simple method for evaluation of polarization correction to scalar propagation constant of arbitrary order guided modes propagating over weakly guiding optical fibers. Proposed solution is based on earlier on developed modified Gaussian approximation extended for analysis of weakly guiding optical fibers with arbitrary refractive index profile in the core region bounded by single solid outer cladding. Some results are presented that illustrate the decreasing of computational error during the estimation of propagation constant when polarization corrections are taken into account. Analytical expressions for the first and second derivatives of polarization correction are derived and presented.

Nondestructive refractive‐index profile measurements of clad optical fibers

1975 ◽  
Vol 26 (10) ◽  
pp. 574-575 ◽  
Author(s):  
M. E. Marhic ◽  
P. S. Ho ◽  
M. Epstein
Keyword(s):  
Refractive Index ◽  
Optical Fibers ◽  
Refractive Index Profile ◽  
Index Profile

scholarly journals Design of Silica Multimode Optical Fibers with Extremely Enlarged Core Diameter for Laser-Based Multi-Gigabit Short-Range Optical Networks

Photonics ◽  
2018 ◽  
Vol 5 (4) ◽  
pp. 37 ◽  
Author(s):  
Anton V. Bourdine ◽  
Vladimir A. Burdin ◽  
Vijay Janyani ◽  
Ashish Kumar Ghunawat ◽  
Ghanshyam Singh ◽  
...  
Keyword(s):  
Refractive Index ◽  
Optical Networks ◽  
Optical Fibers ◽  
Short Range ◽  
Fiber Optic ◽  
Index Profile ◽  
Core Diameter ◽  
Simple Method ◽  
Graded Index ◽  
Comparison Results

This work presents an alternative fast and simple method for the design of a refractive index profile of silica multimode optical fibers (MMFs) with extremely enlarged core diameters of up to 100 µm for laser-based multi-gigabit short-range optical networks. We demonstrate some results of 100 µm core MMF graded index profile optimization performed by a proposed solution, which provides a selected mode staff differential mode delay (DMD) reduction over the “O”-band under particular launching conditions. Earlier on, a developed alternative model for a piecewise regular multimode fiber optic link operating in a few-mode regime for the computation of laser-excited optical pulse dynamics during its propagation over an irregular silica graded-index MMF with an extremely large core diameter, is utilized to estimate the potentiality of fiber optic links with the described MMFs. Here, we also present the comparison results of the simulation of 10GBase-LX optical signal transmission over 100 µm core MMFs with conventional and optimized graded-index refractive index profiles.

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