17 September 2018 Quantum state tomography made easy (Conference Presentation)
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Abstract
Quantum state tomography (QST) allows one to probe an unknown quantum state and is a ubiquitous tool in many quantum laboratories. Unfortunately it is a time consuming and complex procedure, and thus consequently is seldom demonstrated in teaching laboratories. Here we outline a simple demonstration of the essential features of QST in a manner that allows for its implementation in undergraduate laboratories. We exploit the fact that non-separability, the quintessential feature of entangled quantum states, is in fact not unique to quantum mechanics. Using this, we construct a 3D printed version of an equivalent system for QST but with bright classical light, and demonstrate all the essential features of this tool. The source code to print the elements and run the QST are all available on-line from our website. We hope that this will inspire the introduction of “practical” quantum mechanics into the teaching curriculum.
Conference Presentation
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Andrew Forbes and Adam Valles "Quantum state tomography made easy (Conference Presentation)", Proc. SPIE 10741, Optics Education and Outreach V, 107410E (17 September 2018); doi: 10.1117/12.2320455; https://doi.org/10.1117/12.2320455
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