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Design of reflectionless non-magnetic homogeneous polarization splitters with minimum anisotropy based on transformation electromagnetics

نویسنده:
حسین اسکندری
,
سیدمحمدسعید ماجدی
,
امیررضا عطاری
,
Hossein Skandari
,
Mohammad Saeed Majedi
,
Amir Reza Attari
سال
: 2017
چکیده: Design and realization of polarization splitting devices present several common challenges. Unwanted reflections from boundaries of the device and material anisotropy are among the major ones. We present a transformation electromagnetics-based method to design non-magnetic homogeneous polarization splitters that are reflectionless and have minimum anisotropy. This is accomplished by utilizing an area-preserving linear transformation with proper reflectionless conditions at the input and the output boundaries of the device. The condition of minimum anisotropy is determined analytically. This is done for the first time, to the best of our knowledge. The proposed devices enhance the performance of the optical systems by providing ideal transmission. The realizability of the device is also improved by minimization of the anisotropy. Several polarization splitters are designed which create an arbitrary deflection angle or lateral shift between TE and TM polarizations. In addition, the effective medium theory is employed to realize one of the designs by using equivalent dielectric layers. In order to verify the proposed methodology, the designed devices are simulated by the commercial software COMSOL Multiphysics.
یو آر آی: http://libsearch.um.ac.ir:80/fum/handle/fum/3360763
کلیدواژه(گان): Polarization-selective devices,Beam splitters,Anisotropic optical materials
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    Design of reflectionless non-magnetic homogeneous polarization splitters with minimum anisotropy based on transformation electromagnetics

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contributor authorحسین اسکندریen
contributor authorسیدمحمدسعید ماجدیen
contributor authorامیررضا عطاریen
contributor authorHossein Skandarifa
contributor authorMohammad Saeed Majedifa
contributor authorAmir Reza Attarifa
date accessioned2020-06-06T13:34:59Z
date available2020-06-06T13:34:59Z
date issued2017
identifier urihttp://libsearch.um.ac.ir:80/fum/handle/fum/3360763
description abstractDesign and realization of polarization splitting devices present several common challenges. Unwanted reflections from boundaries of the device and material anisotropy are among the major ones. We present a transformation electromagnetics-based method to design non-magnetic homogeneous polarization splitters that are reflectionless and have minimum anisotropy. This is accomplished by utilizing an area-preserving linear transformation with proper reflectionless conditions at the input and the output boundaries of the device. The condition of minimum anisotropy is determined analytically. This is done for the first time, to the best of our knowledge. The proposed devices enhance the performance of the optical systems by providing ideal transmission. The realizability of the device is also improved by minimization of the anisotropy. Several polarization splitters are designed which create an arbitrary deflection angle or lateral shift between TE and TM polarizations. In addition, the effective medium theory is employed to realize one of the designs by using equivalent dielectric layers. In order to verify the proposed methodology, the designed devices are simulated by the commercial software COMSOL Multiphysics.en
languageEnglish
titleDesign of reflectionless non-magnetic homogeneous polarization splitters with minimum anisotropy based on transformation electromagneticsen
typeJournal Paper
contenttypeExternal Fulltext
subject keywordsPolarization-selective devicesen
subject keywordsBeam splittersen
subject keywordsAnisotropic optical materialsen
journal titleJournal of the Optical Society of America B: Optical Physicsfa
pages1191-1198
journal volume34
journal issue6
identifier linkhttps://profdoc.um.ac.ir/paper-abstract-1062855.html
identifier articleid1062855
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