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Monday, April 10, 2017

Experiment lays foundation for applications in quantum communication

Laser set-up in the lab of Thomas Jennewein

In a paper published in Physical Review Letters, PhD student Sascha Agne and colleagues experimentally realized a three-photon Greenberger-Horne-Zeilinger (GHZ) interferometer and observed genuine three-photon interference for the first time, bringing scientists one step closer to exciting applications in quantum communication.

Wednesday, December 21, 2016

Researchers successfully demonstrate prototype for space-based quantum-secured communication

A secure uplink is created between Alice and Bob as the NRC's Twin Otter Airborne Research Aircraft flies overhead.

Waterloo, Ont. (Wednesday, December 21, 2016) — Researchers from the Institute for Quantum Computing at the University of Waterloo in Canada are the first to transmit a quantum key securely from a source on the ground to a receiver on an aircraft. The uplink is a prototype for secure quantum communication and shows the viability of the team’s quantum communication satellite mission (QEYSSat) proposal.

Friday, December 2, 2016

Waterloo celebrates $11 million in awards from NSERC and CRC

The Natural Sciences and Engineering Research Council of Canada (NSERC) and the Canada Research Chairs (CRC) program has awarded more than $11 million to the University of Waterloo which includes $1.7 million to an affiliate of the Institute for Quantum Computing (IQC).

Tuesday, October 4, 2016

Solving Tsirelson’s problem

William Slofstra

Alice and Bob are on a game show. They each sit in isolation booths at either ends of the set and can’t communicate in any way. The game show host asks a number of questions. Neither knows what questions are being asked, or the answers the other gives. The judges are shocked that they provide the exact same answer more often than they should. From the judges’ perspectives, Alice and Bob appear to read each others’ minds.

Friday, February 19, 2016

Realism is for people who can't handle their nonlocality

Experimental set-up for measuring Bohmian trajectories

by Aephraim M. Steinberg, University of Toronto

An international team of researchers from the University of Toronto, Griffith University (Brisbane), and the Institute for Quantum Computing (Waterloo) demonstrate "surrealistic" quantum trajectories in the lab.

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Educational programs

QKD - Quantum Key Distribution Summer School

USEQIP - Undergraduate School on Experimental Quantum Information Processing

QCSYS - Quantum Cryptography School for Young Students

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