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A new platform for atom-light interactions on the nano-scale

HAMLYN, WILLIAM,JOSEPH (2020) A new platform for atom-light interactions on the nano-scale. Doctoral thesis, Durham University.

PDF (W. J. Hamlyn Thesis final version) - Accepted Version


We present the design, fabrication, and operation of a new genera-tion of thermal alkali vapour nano-cells. The nano-cells include in-ternal structures with length scales 200−2000 nm created by laserlithography and reactive ion etching. The assembly process adoptsoptical contact bonding and glassblowing, avoiding the requirementfor any bonding agents or adhesives. We demonstrate a novel methodfor characterising the size of the internal vapour nano-channels. Thedesign allows for greater optical access and compatibility with highnumerical aperture (NA=0.7) optics; we demonstrate this with totalinternal reflection fluorescence spectroscopy and high resolution ima-ging of the nano-channels. Additionally, we report for the first time onthe photon statistics of light from a thin atomic ensemble. Finally, wediscuss the diffusion of atoms inside confined geometries with a num-ber of detection methods, and investigate options for controlling andmanipulating the atomic density and its diffusion. In total, we presentour new nano-cell design as a significant advancement of the field andpropose its use in scalable atomic and quantum optics applications andtechnologies.

Item Type:Thesis (Doctoral)
Award:Doctor of Philosophy
Keywords:atom light interactions thermal vapour alkali vapour cells nanocells
Faculty and Department:Faculty of Science > Physics, Department of
Thesis Date:2020
Copyright:Copyright of this thesis is held by the author
Deposited On:18 May 2020 13:13

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