2023
DOI: 10.3390/opt4010008
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Spin–Orbital Coupling and Conservation Laws in Electromagnetic Waves Propagating through Chiral Media

Abstract: This study examines the characteristics of the electromagnetic waves that propagate through an unbounded space filled with a homogeneous isotropic chiral medium. The resulting characters are compared to those of the electromagnetic waves propagating through an achiral free space. To this goal, we form energy conservation laws for key bilinear parameters in a chiral case. Due to a nonzero medium chirality, conservation laws turn out to contain extra terms that are linked to the spin–orbit coupling, which is abs… Show more

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Cited by 3 publications
(5 citation statements)
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“…Secondly, chirality is largely accompanied by magnetoelectric (ME) coupling [6], [11], [14], [35], [37]. Both ORD and ME coupling are associated with spin-orbit coupling (SOC) [14], [20], [23], [38], [39]. Of course, both ORD and ME coupling could be established by means other than chiral media.…”
Section: Chiral Media and Constitutive Relationsmentioning
confidence: 99%
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“…Secondly, chirality is largely accompanied by magnetoelectric (ME) coupling [6], [11], [14], [35], [37]. Both ORD and ME coupling are associated with spin-orbit coupling (SOC) [14], [20], [23], [38], [39]. Of course, both ORD and ME coupling could be established by means other than chiral media.…”
Section: Chiral Media and Constitutive Relationsmentioning
confidence: 99%
“…Here, { } , D B are electric displacement and magnetic flux density. These equations take dimensionless forms, for which the scheme of making various variables and parameters is detailed in [45].…”
Section: Embedding Media Fluids or Soft Matters Solids Or Condensed M...mentioning
confidence: 99%
“…Secondly, chirality is largely accompanied by magnetoelectric coupling [14,32,[34][35][36]. Both optical rotatory dispersion and magnetoelectric coupling are mostly (but not always) associated with spin-orbit coupling (SOC) [10,34,[37][38][39].…”
Section: Chiral Media and Constitutive Relationsmentioning
confidence: 99%
“…As an example, magnetic media could induce magnetic circular dichroism, as seen with Faraday rotation [28,38]. As a relevant issue, a transverse electric (TE) wave and a transverse-magnetic (TM) wave are often considered fundamental solutions to linear electromagnetic waves [39][40][41]. The aforementioned SOC often (albeit not always) comes together with a TM-TE coupling, as seen for the CHISPR in [22,23].…”
Section: Chiral Media and Constitutive Relationsmentioning
confidence: 99%
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