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Statements

Subject Item
n2:RIV%2F67985882%3A_____%2F11%3A00374590%21RIV12-AV0-67985882
rdf:type
skos:Concept n3:Vysledek
dcterms:description
Passive real-world waveguiding structures are inevitably lossy, and some of them, such as plasmonic waveguides, exhibit even very strong attenuation. Losses can be compensated by including active components with gain. In this paper we discuss properties of waveguiding structures with generally complex dielectric permittivity distributed across their cross-section. In particular, we focus on the existence of modes that exhibit balance between loss and gain and that can propagate unattenuated provided the suitable conditions are satisfied. Specifically, we examine power transmission in the structures with a balance of loss and gain supporting lossless propagation of two modes. We demonstrate that when both modes are excited simultaneously, the total transmitted power is not conserved as the modes propagate along the waveguide. We also show that even if one of the modes propagates with gain, the maximum attainable transmitted power is strongly influenced by back-reflections from the interface with the passive output waveguide. We also discuss the conditions for the existence of an un-attenuated propagation of a confined surface mode supported by the gain/loss nature of these photonic structures Passive real-world waveguiding structures are inevitably lossy, and some of them, such as plasmonic waveguides, exhibit even very strong attenuation. Losses can be compensated by including active components with gain. In this paper we discuss properties of waveguiding structures with generally complex dielectric permittivity distributed across their cross-section. In particular, we focus on the existence of modes that exhibit balance between loss and gain and that can propagate unattenuated provided the suitable conditions are satisfied. Specifically, we examine power transmission in the structures with a balance of loss and gain supporting lossless propagation of two modes. We demonstrate that when both modes are excited simultaneously, the total transmitted power is not conserved as the modes propagate along the waveguide. We also show that even if one of the modes propagates with gain, the maximum attainable transmitted power is strongly influenced by back-reflections from the interface with the passive output waveguide. We also discuss the conditions for the existence of an un-attenuated propagation of a confined surface mode supported by the gain/loss nature of these photonic structures
dcterms:title
Photonic waveguiding structures with loss and gain Photonic waveguiding structures with loss and gain
skos:prefLabel
Photonic waveguiding structures with loss and gain Photonic waveguiding structures with loss and gain
skos:notation
RIV/67985882:_____/11:00374590!RIV12-AV0-67985882
n3:predkladatel
n4:ico%3A67985882
n6:aktivita
n16:P n16:Z
n6:aktivity
P(GAP205/10/0046), P(OC09060), Z(AV0Z20670512)
n6:dodaniDat
n22:2012
n6:domaciTvurceVysledku
n8:8443793 Eyderman, Sergey n8:6412904
n6:druhVysledku
n7:D
n6:duvernostUdaju
n17:S
n6:entitaPredkladatele
n18:predkladatel
n6:idSjednocenehoVysledku
220284
n6:idVysledku
RIV/67985882:_____/11:00374590
n6:jazykVysledku
n11:eng
n6:klicovaSlova
optical waveguide tehory; magneto-optic photonic crystal; surface wave
n6:klicoveSlovo
n9:surface%20wave n9:optical%20waveguide%20tehory n9:magneto-optic%20photonic%20crystal
n6:kontrolniKodProRIV
[31512F8C5989]
n6:mistoKonaniAkce
Praha
n6:mistoVydani
Bellingham
n6:nazevZdroje
Metamaterials VI, Proceedings of SPIE
n6:obor
n21:JA
n6:pocetDomacichTvurcuVysledku
3
n6:pocetTvurcuVysledku
3
n6:projekt
n13:GAP205%2F10%2F0046 n13:OC09060
n6:rokUplatneniVysledku
n22:2011
n6:tvurceVysledku
Čtyroký, Jiří Kuzmiak, Vladimír Eyderman, Sergey
n6:typAkce
n19:WRD
n6:wos
000297621400003
n6:zahajeniAkce
2011-04-18+02:00
n6:zamer
n15:AV0Z20670512
s:numberOfPages
8
n14:hasPublisher
SPIE
n5:isbn
9780819486608