dorsal/arxiv
View SchemaFrozen light in periodic stacks of anisotropic layers
| Authors | J. Ballato, A. Ballato, A. Figotin, I. Vitebskiy |
|---|---|
| Categories | |
| ArXiv ID | physics/0410001 |
| URL | https://arxiv.org/abs/physics/0410001 |
| DOI | 10.1103/PhysRevE.71.036612 |
Abstract
We consider a plane electromagnetic wave incident on a periodic stack of dielectric layers. One of the alternating layers has an anisotropic refractive index with an oblique orientation of the principal axis relative to the normal to the layers. It was shown recently (A. Figotin and I. Vitebskiy, Phys. Rev. E68, 036609 2003) that an obliquely incident light, upon entering such a periodic stack, can be converted into an abnormal axially frozen mode with drastically enhanced amplitude and zero normal component of the group velocity. The stack reflectivity at this point can be very low, implying nearly total conversion of the incident light into the frozen mode with huge energy density, compared to that of the incident light. Supposedly, the frozen mode regime requires strong birefringence in the anisotropic layers - by an order of magnitude stronger than that available in common anisotropic dielectric materials. In this paper we show how to overcome the above problem by exploiting higher frequency bands of the photonic spectrum. We prove that a robust frozen mode regime at optical wavelengths can be realized in stacks composed of common anisotropic materials, such as YVO₄, LiNb, CaCO₃, and the like.
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"abstract": "We consider a plane electromagnetic wave incident on a periodic stack of\ndielectric layers. One of the alternating layers has an anisotropic refractive\nindex with an oblique orientation of the principal axis relative to the normal\nto the layers. It was shown recently (A. Figotin and I. Vitebskiy, Phys. Rev.\nE68, 036609 2003) that an obliquely incident light, upon entering such a\nperiodic stack, can be converted into an abnormal axially frozen mode with\ndrastically enhanced amplitude and zero normal component of the group velocity.\nThe stack reflectivity at this point can be very low, implying nearly total\nconversion of the incident light into the frozen mode with huge energy density,\ncompared to that of the incident light. Supposedly, the frozen mode regime\nrequires strong birefringence in the anisotropic layers - by an order of\nmagnitude stronger than that available in common anisotropic dielectric\nmaterials. In this paper we show how to overcome the above problem by\nexploiting higher frequency bands of the photonic spectrum. We prove that a\nrobust frozen mode regime at optical wavelengths can be realized in stacks\ncomposed of common anisotropic materials, such as YVO\u0026#8324;, LiNb,\nCaCO\u0026#8323;, and the like.",
"arxiv_id": "physics/0410001",
"authors": [
"J. Ballato",
"A. Ballato",
"A. Figotin",
"I. Vitebskiy"
],
"categories": [
"physics.optics"
],
"doi": "10.1103/PhysRevE.71.036612",
"title": "Frozen light in periodic stacks of anisotropic layers",
"url": "https://arxiv.org/abs/physics/0410001"
},
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