Single photon gun: Radiative decay engineering with metamaterials

2009 ◽  
Author(s):  
Zubin Jacob ◽  
Igor Smolyaninov ◽  
Evgenii E. Narimanov
Keyword(s):  
Radiative Decay ◽  
Single Photon ◽  
Radiative Decay Engineering

Single Particle Spectroscopy of Radiative Processes in Colloid-to-Film-Coupled Nanoantennas

2018 ◽  
Vol 232 (9-11) ◽  
pp. 1593-1606 ◽  
Author(s):  
Max J. Schnepf ◽  
Yannic Brasse ◽  
Fabian R. Goßler ◽  
Anja Maria Steiner ◽  
Julian Obermeier ◽  
...  
Keyword(s):  
Single Particle ◽  
Radiative Decay ◽  
Single Photon ◽  
Photon Counting ◽  
Life Time ◽  
Fluorescence Decay ◽  
Decay Rates ◽  
Single Photon Counting ◽  
Radiative Processes ◽  
Particle Level

Abstract We present a fluorescent emitter (rhodamine B) coupled to a dielectric or metallic interface as well as a metallic cavity to study their radiative decay processes. Supported by finite-difference time-domain (FDTD) simulations, we correlate the non-radiative and radiative decay rates with the absorption and scattering cross section efficiencies, respectively. On a single particle level, we use atomic force microscopy (AFM), scanning electron microscopy (SEM), scattering spectroscopy, fluorescence life time imaging (FLIM) and time-correlated single photon counting (TCSPC) to evaluate the enhanced fluorescence decay at the same location. With this study, we show a colloidal gain material, which can be integrated into lattices using existing directed self-assembled methods to study their coherent energy transfer.

Substituent positional effect on radiative lifetimes of anthracene sulphonates

1980 ◽  
Vol 58 (10) ◽  
pp. 1046-1050 ◽  
Author(s):  
A. K. Gupta ◽  
Sekhar Basu ◽  
K. K. Rohatgi-Mukherjee
Keyword(s):  
Sharp Increase ◽  
Decay Constant ◽  
Radiative Decay ◽  
Steric Effect ◽  
Single Photon ◽  
Photon Counting ◽  
Molecular Geometry ◽  
Single Photon Counting ◽  
Decay Constants ◽  
Exciplex Formation

Excited state lifetimes of anthracene-1-sulphonate, anthracene-2-sulphonate, anthracene-1,5-disulphonate, and anthracene-1,8-disulphonate have been studied by photoselection and single photon counting methods. Experimental lifetimes are compared with theoretical values. For anthracene- monosulphonates, exciplex formation with water is proposed. In the case of anthracene-1,8-disulphonate, distortion in molecular geometry is found responsible for the higher non-radiative decay constant. Summation of nonradiative decay constants, Σki, increase in the series [Formula: see text]. The sharp increase for 1,8-AS is perhaps due to distortion of the molecular geometry due to steric effect of two bulky and charged —SO3− groups on the same side of the anthracene skeleton.

Radiative Decay Engineering with Hyperbolic Metamaterials

2010 ◽  
Author(s):  
Zubin Jacob ◽  
Ji Young Kim ◽  
Gururaj Naik ◽  
Evgenii Narimanov ◽  
Alexandra Boltasseva ◽  
...  
Keyword(s):  
Radiative Decay ◽  
Radiative Decay Engineering ◽  
Hyperbolic Metamaterials

scholarly journals Radiative decay engineering 6: Fluorescence on one-dimensional photonic crystals

2013 ◽  
Vol 442 (1) ◽  
pp. 83-96 ◽  
Author(s):  
Ramachandram Badugu ◽  
Kazimierz Nowaczyk ◽  
Emiliano Descrovi ◽  
Joseph R. Lakowicz
Keyword(s):  
Photonic Crystals ◽  
Radiative Decay ◽  
Radiative Decay Engineering ◽  
One Dimensional
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