原子等边三角形中的光子聚束

IF 1.2 4区 物理与天体物理 Q4 OPTICS
Q. Gulfam
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引用次数: 1

摘要

研究了三个原子系统的荧光光子发射概率与探测角度的关系。研究中的系统由相同的双能级原子组成,形成一个等边三角形。三角形中只有一个原子被弱激光共振激发。原子之间的相互作用机制是真空介导的偶极-偶极相互作用和集体衰变过程。重点是分析系统在远场域中同时辐射的光子对。已经对各种原子间的分离进行了分析。可以看出,光子发射器之间的干涉可以导致在某些方向上的强发射。对强光子聚束的有趣方向给出了直观的理解。研究发现,辐射强度的降低会导致沿特定方向的超辐射。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Photon bunching from an equilateral triangle of atoms
Fluorescent photon emission probability from a system of three atoms has been studied as a function of detection angles. The system under investigation consists of identical bi-level atoms forming an equilateral triangle. Only a single atom in the triangle is resonantly excited by a weak laser. The interaction mechanism among the atoms is the vacuum-mediated dipole–dipole interaction and the collective decay process. The focus is to analyse the photon pairs simultaneously radiated by the system in the far-field domain. The analysis has been done for various interatomic separations. It is seen that the interference between the photon emitters can lead to strong emission in certain directions. An intuitive understanding of the interesting directions for strong photon bunching is given. It is found that a reduction in the intensity of radiation leads to superradiance along specific directions.
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来源期刊
Journal of Modern Optics
Journal of Modern Optics 物理-光学
CiteScore
2.90
自引率
0.00%
发文量
90
审稿时长
2.6 months
期刊介绍: The journal (under its former title Optica Acta) was founded in 1953 - some years before the advent of the laser - as an international journal of optics. Since then optical research has changed greatly; fresh areas of inquiry have been explored, different techniques have been employed and the range of application has greatly increased. The journal has continued to reflect these advances as part of its steadily widening scope. Journal of Modern Optics aims to publish original and timely contributions to optical knowledge from educational institutions, government establishments and industrial R&D groups world-wide. The whole field of classical and quantum optics is covered. Papers may deal with the applications of fundamentals of modern optics, considering both experimental and theoretical aspects of contemporary research. In addition to regular papers, there are topical and tutorial reviews, and special issues on highlighted areas. All manuscript submissions are subject to initial appraisal by the Editor, and, if found suitable for further consideration, to peer review by independent, anonymous expert referees. General topics covered include: • Optical and photonic materials (inc. metamaterials) • Plasmonics and nanophotonics • Quantum optics (inc. quantum information) • Optical instrumentation and technology (inc. detectors, metrology, sensors, lasers) • Coherence, propagation, polarization and manipulation (classical optics) • Scattering and holography (diffractive optics) • Optical fibres and optical communications (inc. integrated optics, amplifiers) • Vision science and applications • Medical and biomedical optics • Nonlinear and ultrafast optics (inc. harmonic generation, multiphoton spectroscopy) • Imaging and Image processing
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