Scanning emitter lifetime imaging microscopy for spontaneous emission control

Abstract

We report an experimental technique to map and exploit the local density of optical states of arbitrary planar nano-photonic structures. The method relies on positioning a spontaneous emitter attached to a scanning probe deterministically and reversibly with respect to its photonic environment while measuring its lifetime. We demonstrate the method by imaging the enhancement of the local density of optical states around metal nanowires. By nano-positioning, the decay rate of a pointlike source of fluorescence can be reversibly and repeatedly changed by a factor of two by coupling it to the guided plasmonic mode of the wire.

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• Nanoscale fluorescence lifetime imaging with a single diamond NV center
• Suitability of nanodiamond NV centers for spontaneous emission control experiments
• Enhancement and Inhibition of Spontaneous Photon Emission by Resonant Silicon Nanoantennas
• Demonstration of the enhanced Purcell factor in all-dielectric structures
• Deep-Subwavelength Spatial Characterization of Angular Emission from Single-Crystal Au Plasmonic Ridge Nanoantennas
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• Strong Coupling to Two-Dimensional Anderson Localized Modes
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• Gray-Tone Lithography Implementation of Drexhage's Method for Calibrating Radiative and Nonradiative Decay Constants of Fluorophores
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• Probing near-field light-matter interactions with single-molecule lifetime imaging
• Nanomechanical method to gauge emission quantum yield applied to NV-centers in nanodiamond
• A Planar Scanning Probe Microscope
• Magnetic-field-dependent photodynamics of single NV defects in diamond: Application to qualitative all-optical magnetic imaging
• Near-field acoustic imaging with a caged bubble
• Purcell radiative rate enhancement of label-free proteins with ultraviolet aluminum plasmonics
• Fourier finite element modeling of light emission in waveguides: 2.5-dimensional FEM approach
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• Controlled emission and coupling of small-size YAG:Ce3+ nanocrystals to gold nanowire
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