dorsal/arxiv
View SchemaBragg-induced orbital angular-momentum mixing in paraxial high-finesse cavities
| Authors | David H. Foster, Jens U. Noeckel |
|---|---|
| Categories | |
| ArXiv ID | physics/0411090 |
| URL | https://arxiv.org/abs/physics/0411090 |
| DOI | 10.1364/OL.29.002788 |
| Journal | Optics Letters Vol. 29, p. 2788 (2004) |
Abstract
Numerical calculation of vector electromagnetic modes of plano-concave microcavities reveals that the polarization-dependent reflectivity of a flat Bragg mirror can lead to unexpected cavity field distributions for nominally paraxial modes. Even in a rotationally symmetric resonator, certain pairs of orbital angular momenta are necessarily mixed in an excitation-independent way to form doublets. A characteristic mixing angle is identified, which even in the paraxial limit can be designed to have large values. This correction to Gaussian theory is zeroth-order in deviations from paraxiality. We discuss the resulting nonuniform polarization fields. Observation will require small cavities with sufficiently high Q. Possible applications are proposed.
{
"annotation_id": "28a69099-86bc-4eae-8b63-9b81f6a5f35a",
"date_created": "2026-03-02T18:00:53.466000Z",
"date_modified": "2026-03-02T18:00:53.466000Z",
"file_hash": "ca28358abd5253c787408f0682bb9b3c02a65847025cefe2286a995dd86def1c",
"private": false,
"record": {
"abstract": "Numerical calculation of vector electromagnetic modes of plano-concave\nmicrocavities reveals that the polarization-dependent reflectivity of a flat\nBragg mirror can lead to unexpected cavity field distributions for nominally\nparaxial modes. Even in a rotationally symmetric resonator, certain pairs of\norbital angular momenta are necessarily mixed in an excitation-independent way\nto form doublets. A characteristic mixing angle is identified, which even in\nthe paraxial limit can be designed to have large values. This correction to\nGaussian theory is zeroth-order in deviations from paraxiality. We discuss the\nresulting nonuniform polarization fields. Observation will require small\ncavities with sufficiently high Q. Possible applications are proposed.",
"arxiv_id": "physics/0411090",
"authors": [
"David H. Foster",
"Jens U. Noeckel"
],
"categories": [
"physics.optics",
"physics.class-ph"
],
"doi": "10.1364/OL.29.002788",
"journal_ref": "Optics Letters Vol. 29, p. 2788 (2004)",
"title": "Bragg-induced orbital angular-momentum mixing in paraxial high-finesse cavities",
"url": "https://arxiv.org/abs/physics/0411090"
},
"schema_id": "dorsal/arxiv",
"source": {
"execution_id": "0fcfaf90-f4d9-470d-81b5-afa5555bc090",
"id": "arXiv Dataset IDs",
"type": "Model",
"variant": "snapshot-2026-03-01",
"version": "0.1.0"
},
"user_id": 1000002
}