Nanophotonic Control of the Forster Resonance Energy Transfer Efficiency

被引：149

作者：

Blum, Christian ^{[1
]}

Zijlstra, Niels ^{[1
]}

Lagendijk, Ad ^{[2
,3
]}

Wubs, Martijn ^{[4
]}

Mosk, Allard P. ^{[2
]}

Subramaniam, Vinod ^{[5
]}

Vos, Willem L. ^{[2
]}

机构：

[1] Univ Twente, Nanobiophys NBP, MESA Inst Nanotechnol, NL-7500 AE Enschede, Netherlands

[2] Univ Twente, Complex Photon Syst COPS, MESA Inst Nanotechnol, NL-7500 AE Enschede, Netherlands

[3] FOM Inst AMOLF, NL-1098 XG Amsterdam, Netherlands

[4] Tech Univ Denmark, Dept Photon Engn, DK-2800 Lyngby, Denmark

[5] Univ Twente, Nanobiophys NBP, MIRA Inst Biomed Engn & Tech Med, NL-7500 AE Enschede, Netherlands

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 109卷 / 20期

基金：

欧洲研究理事会;

关键词：

BAND-GAP; FLUORESCENCE; EMISSION; LIGHT; FRET;

D O I：

10.1103/PhysRevLett.109.203601

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have studied the influence of the local density of optical states (LDOS) on the rate and efficiency of Forster resonance energy transfer (FRET) from a donor to an acceptor. The donors and acceptors are dye molecules that are separated by a short strand of double-stranded DNA. The LDOS is controlled by carefully positioning the FRET pairs near a mirror. We find that the energy transfer efficiency changes with LDOS, and that, in agreement with theory, the energy transfer rate is independent of the LDOS, which allows one to quantitatively control FRET systems in a new way. Our results imply a change in the characteristic Forster distance, in contrast to common lore that this distance is fixed for a given FRET pair.

引用

页数：5

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