2009
DOI: 10.1364/ol.34.001693
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Electrically controlled optical Tamm states in magnetophotonic crystal based on nematic liquid crystals

Abstract: A tunable optical Tamm state is investigated in a magnetophotonic crystal with nematic liquid crystals. It is revealed that the intra-Brillouin-zone bandgaps exist and clearly depend on the applied voltages. We find that the optical Tamm state does occur at the boundary between two photonic crystals, one of which is composed of two dielectric materials and the other that consists of a nematic liquid crystal and a magnetic material. A shift of the optical Tamm state with the applied voltage, which stems from th… Show more

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Cited by 23 publications
(7 citation statements)
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“…1D PCs composed of layers of uniaxial crystals with angularly offset optical axes (lying in the plane of the layers) for adjacent layers were shown [17,18,19,20,30] to have special BGs in their spectra, not at the boundary of Brillouin zone, but inside. Similar BGs were shown [6,21,22,23,24,25,26,27,28] to appear for photonic crystals with layers made of gyrotropic materials and anisotropic uniaxial materials with collinear optical axes for all layers.…”
Section: Introductionsupporting
confidence: 68%
See 1 more Smart Citation
“…1D PCs composed of layers of uniaxial crystals with angularly offset optical axes (lying in the plane of the layers) for adjacent layers were shown [17,18,19,20,30] to have special BGs in their spectra, not at the boundary of Brillouin zone, but inside. Similar BGs were shown [6,21,22,23,24,25,26,27,28] to appear for photonic crystals with layers made of gyrotropic materials and anisotropic uniaxial materials with collinear optical axes for all layers.…”
Section: Introductionsupporting
confidence: 68%
“…For example, one-dimensional photonic crystals (PCs) made of anisotropic and magneto-optical materials exhibit band gaps of a special type as a result of hybridization of Bloch waves of different polarizations [6,17,18,19,20,21,22,23,24,25,26,27,28]. …”
Section: Introductionmentioning
confidence: 99%
“…Such a task, however, presents a formidable challenge given that the fields of a Tamm plasmon reside inside the Bragg mirror and, therefore, are very difficult to access from the outside. Correspondingly, most of the approaches proposed so far involved the integration of a control element into the very structure of the Bragg mirror [4,6,11,12,13,14], which may not always appear feasible. It has also been shown that the wavelength of a Tamm plasmon could change (although irreversibly) as a result of the lateral confinement of its fields achieved by patterning the metal film on the microscale [3,15,16].In this Letter we report on the first experimental observation of a near-IR Tamm plasmon at the interface between a Bragg mirror and a nano-patterned metal film acting as a nondiffracting optical metasurface.…”
mentioning
confidence: 99%
“…Coupling of such trapped modes at each interface induces energy splitting [10,[18][19][20]. As a result, the whole ADMD structure supports two TPs at different eigenwavelengths.…”
mentioning
confidence: 77%
“…All these make TPs popular in design of microcavity and surfacestate based devices. For example, TPs at interfaces of periodical structures and metals, plasmonic metamaterials, left-hand materials, or liquid crystals, etc., have been reported [8][9][10][11][12][13][14][15]. Cavity-polariton emissions in TP structures with organic/inorganic gain material have been reported both theoretically and experimentally [6,16,17].…”
mentioning
confidence: 99%