September 2016

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Thursday, September 8, 2016 — 1:30 PM EDT

The Quantum Neutron

Dmitry Pushin

The neutron, one of the most common building blocks of matter, is also a unique probe for studying materials and fundamental interactions. The only electrically-neutral nucleus, the neutron passes through most materials with ease, even at the lowest energies. Nowadays neutrons, even with their ~ 15 minute lifetime, are used to study problems ranging from charging and discharging of common batteries to cosmological dark energy. Here I will focus on the neutron as a quantum particle.

Monday, September 12, 2016 — 2:30 PM EDT

Chiral Atomically Thin Films

Cheol-Joo Kim, Cornell University

Chiral materials possess left- and right-handed counterparts linked by mirror symmetry. These materials are useful for advanced applications in polarization optics[1,2], stereochemistry[3,4] and spintronics[5]. In particular, the realization of spatially uniform chiral films with atomic-scale control of their handedness could provide a powerful means for developing nanodevices with novel chiral properties.

Friday, September 16, 2016 — 11:45 AM to 1:00 PM EDT

Tentative title: Experiments in Si:P Defects with NMR

If you're coming from the Lazaridis Centre, take the 11:35am shuttle from QNC to RAC1, and they can return to QNC from RAC1 @ 1:15pm.

A light lunch will be provided.

Tuesday, September 20, 2016 — 10:30 AM EDT

Nonlocal Correlations between Frequency Entangled Two-Qudit States

Sacha Schwarz, University of Bern

In my talk, I will demonstrate our method to experimentally encode qudits in the energy spectrum of broadband entangled photons generated by parametric down-conversion and detected in coincidence by sum frequency generation. Employing techniques from ultrafast optics to shape fs-laser pulses, the two-photon spectrum is discretized into frequency bins.

Thursday, September 22, 2016 — 9:00 AM EDT
Zak Webb

Zachary Webb of the Department of Physics and Astronomy is defending his thesis:

The computational power of many-body systems

Zak is supervised by Assistant Professor Andrew Childs.

Thursday, September 22, 2016 — 11:00 AM EDT

Single-photon implementation of an indefinite causal order

Lorenzo M. Procopio, University of Vienna

Investigating the role of causal order in quantum mechanics has recently revealed that the temporal distribution of events may not be a-priori well-defined in quantum theory. Although this has triggered a growing interest on the theoretical side, the existence of processes without a causal order is an experimental question. In this talk, I will present an optical implementation of an indefinite causal-order structure called quantum switch for two purposes; to execute an algorithm and to verify a causally non-separable process.

Friday, September 23, 2016 — 2:00 PM EDT

Continuous-variable quantum communication activities in Erlangen, Germany

Imran Khan, Max Planck Institute for the Science of Light

I will present our ongoing work on the subject of experimental quantum

communication using continuous variables, which is conducted at the Max

Planck Institute for the Science of Light in Erlangen, Germany. The work

is performed in the Quantum Information Processing group of Dr.

Christoph Marquardt within the division of Prof. Dr. Gerd Leuchs.

My talk will encompass the following topics:

Monday, September 26, 2016 — 2:00 PM EDT

Superchiral Field, Phase Modulation, Optical Cloaking

Joseph Choi, University of Rochester

Friday, September 30, 2016 — 11:45 AM to 1:00 PM EDT

Title TBA

If you're coming from the Lazaridis Centre, take the 11:35am shuttle from QNC to RAC1, and they can return to QNC from RAC1 @ 1:15pm.

A light lunch will be provided.

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