期刊
PHYSICAL REVIEW A
卷 89, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.89.063813
关键词
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资金
- Canada Excellence Research Chairs (CERC) Program
- Natural Sciences and Engineering Research Council (NSERC) of Canada
- Technology Agency of the Czech Republic [TE01020229]
- Czech Ministry of Industry and Trade [FR-TI1/364]
- EU FP7 (Grant Q-ESSENCE)
- Spanish MINECO [FIS2011-26786]
We introduce an operator linked with the radial index in the Laguerre-Gauss modes of a two-dimensional harmonic oscillator in cylindrical coordinates. We discuss ladder operators for this variable, and confirm that they obey the commutation relations of the su(1,1) algebra. Using this fact, we examine how basic quantum optical concepts can be recast in terms of radial modes.
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