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Welcome to the Institute for Quantum Computing

The Institute for Quantum Computing (IQC) is a scientific research institute at the University of Waterloo. The research happening at IQC harnesses the quantum laws of nature in order to develop powerful new technologies and drive future economies.

Faculty Positions Open NowIQC in the news

What is quantum computing? Start with our Quantum computing 101 page. It's a quickstart guide on quantum computing to help you understand some of the research that happens at IQC.

Delivering on the quantum promise: The Transformative Quantum Technologies (TQT) program at the University of Waterloo aims to advance the use of quantum mechanics from laboratory curiosity to an impactful device. 

  1. Oct. 29, 2018New methods to produce and detect optical and matter-wave spin-orbit statesPoincare and Bloch sphere isomorphism

    Researchers at the Institute for Quantum Computing (IQC) in collaboration with researchers at the National Institute for Standards and Technology (NIST) have developed a highly robust method for structuring light and matter waves, enhancing the powerful probing ability of neutrons.

  2. Oct. 18, 2018Constant-time quantum computers more powerful than classical counterpartsScientists prove there are certain problems that require only a fixed circuit depth when done on a quantum computer no matter ho

    Quantum computers can solve a linear algebra problem faster than classical computers, according to a new study published in Science. The finding proves that constant-depth quantum circuits are more powerful than their classical counterparts, and provides a new sense of how quantum technology will be a key to more powerful computing.

  3. Oct. 17, 2018Generating multiphoton entanglement on a superconducting chip

    A step further for secure quantum communication and scalable quantum computing

    A team of researchers at the Institute for Quantum Computing (IQC) generated three-photon entanglement on a superconducting chip using a new, scalable technique.

    The experiment, published in Physical Review Applied, could lead to advances in quantum communication protocols like secret sharing and in quantum computing power.

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  1. Dec. 18, 2018Fault-tolerant resource estimation of quantum random-access memories

    PhD Seminar: Olivia Di Matteo

    Quantum random-access memories (qRAM) are required by numerous quantum algorithms. In many cases, qRAM queries are the limiting factor in the implementation of these algorithms. In the limit of a large number of queries, there will be a massive resource overhead, as in this regime it is not possible to bypass the need for active error correction. In this talk, I will present our work towards quantifying this overhead. We will explore a variety of different qRAM circuits designed to query classical bits in superposition.

  2. Jan. 11, 2019RAC1 Journal Club/Seminar Series

    Crafting high-dimensional tools for photonic quantum networks with tailored nonlinear optics

    John Donohue, Institute for Quantum Computing

    The time-frequency degree of freedom of light offers an intrinsically high-dimensional encoding space which is naturally compatible with waveguide devices and fiber infrastructure. However, coherent manipulation and measurement the information-carrying modes presents a challenge due to the sub-picosecond timescales inherent to downconversion-based photon sources. In this talk, I will discuss methods based on ultrafast pulse shaping and sum-frequency generation to address these temporal modes.

  3. Jan. 18, 2019CryptoWorks21 - Who else is in my space?

    Speaker: Neil Henderson

    Abstract: The patent system provides a monopoly in return for disclosure of new technology. The disclosures (patent applications) are published and classified by technology to provide an extensive global resource available on line. Want to know how many patent applications Apple has for quantum cryptography? Who else is working in your area ? Does anyone hold a dominant position or are the rights widely distributed?

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Meet our people

Kyung Soo Choi

Faculty, Assistant Professor

Kyung Soo Choi received a BS (Hon.) degree in Physics from State University of New York at Stony Brook in 2006. He received his PhD degree in Physics from California Institute of Technology in 2011.

Current visitors

until November 14, 2019
until November 01, 2019
until October 31, 2019
until July 19, 2019
until May 01, 2019
until March 31, 2019
until March 31, 2019
until February 28, 2019
until February 01, 2019
until February 01, 2019
until December 31, 2018
until December 18, 2018