NDLI: Confocal Microscope Imaging of Single-Emitter Fluorescence and

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Confocal Microscope Imaging of Single-Emitter Fluorescence and

Content Provider	Semantic Scholar
Author	Brown, Hanbury
Copyright Year	2012
Abstract	The purpose of these labs was to study single photon sources and measure how efficiently they produce photons exhibiting antibunching characteristics. Through the use of a confocal microscope, images of 800 nm CdSe quantum dot, Gold nano particles, and nanodiamonds fluorescence was captured using an EM-CCD camera. A Hanbury Brown & Twiss setup was then used in conjunction with a Timeharp card to collect antibunching histograms measuring the coincidence counts. These histograms revealed antibunching properties of the emitted photons. Furthermore, we modified the setup of the TimeHarp card to calculate an approximate value of the fluorescent lifetime τ of the quantum dots. Theory and Background Photons are boson so they tend to be bunched together when travelling at the speed of light. A single photon source (SPS) emits photons clearly separated in time making the photons antibunched. Single photon sources are very desirable components of any quantum communication technology due to the most part to its following one of the fundamental laws of quantum mechanics, the Heisenberg uncertainty relation.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.optics.rochester.edu/workgroups/lukishova/QuantumOpticsLab/2012/OPT_253/Lab_3_4/James_Maslek_Lab_3_4NEW1.pdf
Alternate Webpage(s)	http://www.optics.rochester.edu/workgroups/lukishova/QuantumOpticsLab/2012/OPT_253/Lab_3_4/Edward_Pie_LAB3_4NEW.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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