Field commutation relations in optical cavities

被引：53

作者：

Barnett, SM

Gilson, CR

Huttner, B

Imoto, N

机构：

[1] UNIV STRATHCLYDE, DEPT PHYS & APPL PHYS, GLASGOW G4 0NG, LANARK, SCOTLAND

[2] UNIV GLASGOW, DEPT MATH, GLASGOW G12 8QW, LANARK, SCOTLAND

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 77卷 / 09期

关键词：

D O I：

10.1103/PhysRevLett.77.1739

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We introduce a simple quantum theory of the lossy beam splitter. When applied to describe a Fabry-Perot cavity this leads to apparently anomalous commutation relations for the intracavity operators. We show that these unfamiliar properties are nevertheless consistent with the fundamental canonical commutator for the vector potential and electric field operators. This result is derived as a consequence of causality as applied to the properties of mirror reflection coefficients.

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页码：1739 / 1742

页数：4

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