2015 Student Research Conference:
28th Annual Student Research Conference

Delay Circuit for Easy Alignments in Quantum Optics Experiments
Jacob A. Ohlhausen
Dr. Ping Yu (University of Missouri) and Dr. Vayujeet Gokhale, Faculty Mentors

A Hanbury Brown - Twiss interferometer is used to investigate the correlated nature of photon pairs generated via spontaneous parametric down-conversion in the nonlinear crystal Beta Barium Borate (BBO). Statistics at the outputs of a 50/50 beamsplitter measure the degree of second order coherence. The quantum nature of light is verified by a violation of the classical limit of the degree of second order coherence. A circuit has been developed for the easy alignment of the detection system, which provides adjustable nanosecond delay for three photon detectors. In the future, this system will be used to aid in undergraduate education on the particle nature of light.

Keywords: Physics, Optics, Electronics, Wave/Particle Duality

Topic(s):Physics

Presentation Type: Oral Paper

Session: 414-1
Location: MG 1096
Time: 2:30

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