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Boundary integral equation method for resonances in gradient index cavities designed by conformal transformation optics

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Title
Boundary integral equation method for resonances in gradient index cavities designed by conformal transformation optics
Author(s)
Jung-Wan Ryu; Jinhang cho; Soo-Young Lee; Yushin Kim; Sang-Jun park; Sunghwan Rim; Muhan choi; inbo Kim
Publication Date
2019-12
Journal
SCIENTIFIC REPORTS, v.9, no., pp.19684 -
Publisher
NATURE PUBLISHING GROUP
Abstract
in the case of two-dimensional gradient index cavities designed by the conformal transformation optics, we propose a boundary integral equation method for the calculation of resonant mode functions by employing a fictitious space which is reciprocally equivalent to the physical space. Using the Green’s function of the interior region of the uniform index cavity in the fictitious space, resonant mode functions and their far-field distributions in the physical space can be obtained. As a verification, resonant modes in limaçon-shaped transformation cavities were calculated and mode patterns and far-field intensity distributions were compared with those of the same modes obtained from the finite element method. © The Author(s) 2019
URI
https://pr.ibs.re.kr/handle/8788114/6724
ISSN
2045-2322
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > Journal Papers (저널논문)
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