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Nonreciprocal Surface Waves on Gyrotropic Interfaces.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Nonreciprocal Surface Waves on Gyrotropic Interfaces./
作者:	Holmes, Alexander M.
面頁冊數:	1 online resource (115 pages)
附註:	Source: Dissertations Abstracts International, Volume: 84-01, Section: B.
Contained By:	Dissertations Abstracts International84-01B.
標題:	Electrical engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=29214790click for full text (PQDT)
ISBN:	9798837517525

Nonreciprocal Surface Waves on Gyrotropic Interfaces.
Holmes, Alexander M.

Nonreciprocal Surface Waves on Gyrotropic Interfaces. - 1 online resource (115 pages)

Source: Dissertations Abstracts International, Volume: 84-01, Section: B.

Thesis (Ph.D.)--The University of Wisconsin - Milwaukee, 2022.

Includes bibliographical references

In this dissertation, the properties of highly nonreciprocal (unidirectional) surface waves guided along the interface between free-space and various 2D and 3D gyrotropic continua are investigated using analytic, numerical, and experimental methods. From a classical electromagnetics perspective, nonreciprocity in the dispersion of surface wave modes supported by the interface is achieved by breaking both time-reversal and space-inversion symmetries in the collective response of the waveguide, which consists of the two interfaced materials. More recently, however, a connection to momentum space topology via the bulk-edge correspondence principle has been made for gyrotropic continua, providing additional insights into the underlying physics that governs the unique propagation characteristics of these unidirectional modes. Building on the previous work done in the areas of nonreciprocal electromagnetics and topological photonics, we (1) develop a new analytic formalism to model excitations of the surface wave modes using a near field current source, (2) investigate a nontraditional way of achieving a gyrotropic response in a 2D continuum, and (3) demonstrate experimentally, for the first time, the unidirectional nature of a recently theorized topologically protected, unidirectional surface wave mode.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798837517525Subjects--Topical Terms:

649834
Electrical engineering.
Subjects--Index Terms:

Green's functionsIndex Terms--Genre/Form:

542853
Electronic books.

Nonreciprocal Surface Waves on Gyrotropic Interfaces.
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504 $a Includes bibliographical references
520 $a In this dissertation, the properties of highly nonreciprocal (unidirectional) surface waves guided along the interface between free-space and various 2D and 3D gyrotropic continua are investigated using analytic, numerical, and experimental methods. From a classical electromagnetics perspective, nonreciprocity in the dispersion of surface wave modes supported by the interface is achieved by breaking both time-reversal and space-inversion symmetries in the collective response of the waveguide, which consists of the two interfaced materials. More recently, however, a connection to momentum space topology via the bulk-edge correspondence principle has been made for gyrotropic continua, providing additional insights into the underlying physics that governs the unique propagation characteristics of these unidirectional modes. Building on the previous work done in the areas of nonreciprocal electromagnetics and topological photonics, we (1) develop a new analytic formalism to model excitations of the surface wave modes using a near field current source, (2) investigate a nontraditional way of achieving a gyrotropic response in a 2D continuum, and (3) demonstrate experimentally, for the first time, the unidirectional nature of a recently theorized topologically protected, unidirectional surface wave mode.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2023
538 $a Mode of access: World Wide Web
650 4 $a Electrical engineering. $3 649834
650 4 $a Electromagnetics. $3 3173223
650 4 $a Optics. $3 517925
653 $a Green's functions
653 $a Surface magnon polariton
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