Non-classical states of light

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Friday, October 16, 2015 11 am

This is a past event.

Physics Colloquium

Dr. Agata Branczyk
Perimeter Institute, Canada

 

 ABSTRACT: What is quantum light? We know that light can be quantized into photons, but is there more to it than this? In this talk, I aim to shed light on this question. I will tell you about a number of interesting quantum states of light---Schrödinger cat states, squeezed states, Fock states and entangled photons----and I will discuss their applications. I will then examine how each of these states can be generated via the fascinating process of spontaneous parametric down conversion. Finally, I will share some of our recent results. The first is a novel technique for shaping the joint spectrum of downconverted photons. The second is a surprising result about the relationship between thermal light and broadband pulses. 

 

 BIO: Agata Branczyk is a PSI Fellow at the Perimeter Institute for Theoretical Physics and an Adjunct Assistant Professor at the Department of Physics and Astronomy at the University of Waterloo. Her research is in the field of quantum optics, which gives her the opportunity to explore a wide variety of interests, ranging from decoherence to quantum information to nonlinear spectroscopy to quantum biology. Before coming to Waterloo, she was a Postdoctoral Fellow at the University of Toronto. She received her PhD at the University of Queensland in Brisbane, Australia.

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