Waveguided energy transfer in pseudo-two-dimensional systems

被引:1
作者
Somayaji, Hrishikesh [1 ]
Scholes, Gregory D. [1 ]
机构
[1] Princeton Univ, Dept Chem, Princeton, NJ 08540 USA
基金
美国国家科学基金会;
关键词
QUANTUM ELECTRODYNAMICS; NONRELATIVISTIC SOURCES; EXCITATION TRANSFER; ELECTRON-TRANSFER; MICROSCOPY; DYNAMICS; FIELDS;
D O I
10.1063/5.0145540
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Resonance energy transfer (RET) is an important and ubiquitous process whereby energy is transferred from a donor chromophore to an acceptor chromophore without contact via Coulombic coupling. There have been a number of recent advances exploiting the quantum electrodynamics (QED) framework for RET. Here, we extend the QED RET theory to investigate whether real photon exchange can allow for excitation transfer over very long distances if the exchanged photon is waveguided. To study this problem, we consider RET in two spatial dimensions. We derive the RET matrix element using QED in two dimensions, consider an even greater confinement by deriving the RET matrix element for a two-dimensional waveguide using ray theory, and compare the resulting RET elements in 3D and 2D and for the 2D waveguide. We see greatly enhanced RET rates over long distances for both the 2D and 2D waveguide systems and see a great preference for transverse photon mediated transfer in the 2D waveguide system.
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页数:10
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