dorsal/arxiv
View SchemaGeometrical Aspects in Optical Wavepacket Dynamics
| Authors | Masaru Onoda, Shuichi Murakami, Naoto Nagaosa |
|---|---|
| Categories | |
| ArXiv ID | physics/0606178 |
| URL | https://arxiv.org/abs/physics/0606178 |
| DOI | 10.1103/PhysRevE.74.066610 |
| Journal | Phys.Rev.E74:066610,2006 |
Abstract
We construct a semiclassical theory for propagation of an optical wavepacket in non-conducting media with periodic structures of dielectric permittivity and magnetic permeability, i.e., non-conducting photonic crystals. We employ a quantum-mechanical formalism in order to clarify its link to those of electronic systems. It involves the geometrical phase, i.e., Berry phase, in a natural way, and describes an interplay between orbital motion and the internal rotation. Based on the above theory, we discuss the geometrical aspects of the optical Hall effect. We also consider a reduction of the theory to a system without periodic structure and apply it to the transverse shift at an interface reflection/refraction. For generic incident beams with elliptic polarizations, an identical result for the transverse shift of each reflected/transmitted beam is given by the following different approaches; (i) analytic evaluation of wavepacket dynamics, (ii) total angular momentum (TAM) conservation {\it for individual photons}, and (iii) numerical simulation of wavepacket dynamics. It is consistent with a result by classical electrodynamics. This means that the TAM conservation for individual photons is already taken into account in wave optics, i.e, classical electrodynamics. Finally, we show an application of our theory to a two-dimensional photonic crystal, and propose an optimal design for the enhancement of the optical Hall effect in photonic crystals.
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"abstract": "We construct a semiclassical theory for propagation of an optical wavepacket\nin non-conducting media with periodic structures of dielectric permittivity and\nmagnetic permeability, i.e., non-conducting photonic crystals. We employ a\nquantum-mechanical formalism in order to clarify its link to those of\nelectronic systems. It involves the geometrical phase, i.e., Berry phase, in a\nnatural way, and describes an interplay between orbital motion and the internal\nrotation. Based on the above theory, we discuss the geometrical aspects of the\noptical Hall effect. We also consider a reduction of the theory to a system\nwithout periodic structure and apply it to the transverse shift at an interface\nreflection/refraction. For generic incident beams with elliptic polarizations,\nan identical result for the transverse shift of each reflected/transmitted beam\nis given by the following different approaches; (i) analytic evaluation of\nwavepacket dynamics, (ii) total angular momentum (TAM) conservation {\\it for\nindividual photons}, and (iii) numerical simulation of wavepacket dynamics. It\nis consistent with a result by classical electrodynamics. This means that the\nTAM conservation for individual photons is already taken into account in wave\noptics, i.e, classical electrodynamics. Finally, we show an application of our\ntheory to a two-dimensional photonic crystal, and propose an optimal design for\nthe enhancement of the optical Hall effect in photonic crystals.",
"arxiv_id": "physics/0606178",
"authors": [
"Masaru Onoda",
"Shuichi Murakami",
"Naoto Nagaosa"
],
"categories": [
"physics.optics",
"cond-mat.other"
],
"doi": "10.1103/PhysRevE.74.066610",
"journal_ref": "Phys.Rev.E74:066610,2006",
"title": "Geometrical Aspects in Optical Wavepacket Dynamics",
"url": "https://arxiv.org/abs/physics/0606178"
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