Proceedings ArticleDOI
Reflection characteristics of guided-wave Bragg gratings using the collocation method
Ashmeet Kaur Taneja,Anurag Sharma +1 more
- Vol. 3666, pp 112-119
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TLDR
In this article, the reflection characteristics of Bragg gratings using the collocation method and the effect of various parameters such as grating profile, duty cycle of periodic variation, index change and strain on the spectra are presented.Abstract:
We present the reflection characteristics of Bragg gratings using the collocation method and the effect of various parameters such as grating profile, duty cycle of periodic variation, index change and strain on the spectra. Comparisons with the coupled mode theory have also been included.read more
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Journal ArticleDOI
Analysis of deep waveguide gratings: an efficient cascading and doubling algorithm in the method of lines framework
H.A. Jamid,Muhammad Nadeem Akram +1 more
TL;DR: In this paper, a computationally fast, numerically stable, and memory-efficient cascading and doubling algorithm is proposed within the method of lines framework to model long planar waveguide gratings having thousands of periods in the propagation direction.
Journal ArticleDOI
Nanocomposite Multilayer Structure for Broadband MIR Negative Refractive Index
TL;DR: In this paper, the authors designed a structure with the broadband negative refractive index (NRI) in the wavelengths range of 3-5-μm using multilayer structures.
Photonic devices with MQW active material and waveguide gratings : modelling and characterisation
TL;DR: In this article, the authors deal with modelling, design and characterisation of passive and active optical waveguide devices, and the first part of the thesis is related to algorithm deve...
Dissertation
Analysis of one and two dimensional bandgap structures using automated method of lines with arbitrary longitudinal discontinuities
TL;DR: In this paper, the authors present a survey of the literature in Arabic and English in the Middle East: Abstract (Arabic) xxviiArabic (English) xxvi
References
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Journal ArticleDOI
Production of in-fibre gratings using a diffractive optical element
TL;DR: In this paper, a transmission phase grating was used to write a 94% reflectivity in-fibre index grating in a photosensitive optical fiber with a single UV laser beam at 242 nm.
Proceedings ArticleDOI
Wave Propagation through Periodic Waveguides: A Numerical Simulation Method
Anurag Sharma,Swagata Deb +1 more
TL;DR: In this article, an efficient numerical method for the analysis of periodic waveguides has been presented, which is based on the collocation method which was earlier developed for propagation of waves through uniform and nonuniform (e.g., tapers) waveguide.