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Read this before touching anything.
A little bit of theory not only focused on the physics behind this experiment, but on the experimental setup itself.
This link contains information about the equipment utilized in this experiment.
The computer interface reads the pulses from the SPCMs, processes the information, and then transmits if to a LabView program.
Here you will find a step-by-step procedure that will come in handy when setting up the SPQI experiment.
Experiments:
Experiments:
The experiments closely follow those published by: B. J. Pearson and D. P. Jackson, "A hands-on introduction to single photons and quantum mechanics for undergraduates," Am. J. Phys. 78 471 (2010).
Anticorrelation Parameter for HeNe Laser Light (B/B' detector)
Anticorrelation Parameter for direct Down-Conversion (A/B detector)
Anticorrelation Parameter for single arm of Down-Converted Light (B/B' detector)
Single photon measurement: Anticorrelation Parameter for Down-Converted Light (A/B/B' detector)
Observing Single Photon Quantum Interference using the Mach Zehnder Interferometer
This experiment closely follows the experiment published by J. A. Carlson, M. D. Olmstead, and M. Beck, “Quantum mysteries tested: An experiment implementing Hardy’s test of local realism,” Am. J. Phys., 74, (3), 180-186 (2006).
Links:
Links:
Alpha Colgate Setup Instructions
Berkeley's 'Design and Documentation (OIE)' Wiki Page
Extensive guide created at Berkeley detailing the same single photon interference experiment.
Colgate University photon interference website
Colgate University's Photon Interference lab reference website.
Dickinson's Instructions (need to find new link, This one is broken.)
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