Thursday, November 17, 2016

Thursday, November 17, 2016 — 11:30 AM EST
John Donohue

John Donohue of the Department of Physics and Astronomy is defending his thesis:

Ultrafast manipulation of single photons using dispersion and sum-frequency generation

John is supervised by Associate Professor Kevin Resch.

Thursday, November 17, 2016 — 3:30 PM EST

Generation and Spectral Characterization of High-Purity Biphotons

Franco Wong, Massachusetts Institute of Technology

Spectrally factorable biphotons are highly desirable for many photonic quantum information processing tasks such as quantum computation, boson sampling, and quantum repeaters. We generate biphotons with spectral purity of 99%, the highest to date without any spectral filtering, by pulsed spontaneous parametric downconversion in a custom-fabricated PPKTP crystal under extended Gaussian phase-matching conditions.

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