Prof. Baugh recognized as WIN Research Leader


Prof. Baugh received a Research Leader Award from the Waterloo Institute for Nanotechnology on June 5, 2018. At left is WIN Executive Director Sushantra Mitra, and at right is VP Research Charmaine Dean.

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Visiting the lab


Prof. Baugh explains how nanoelectronics devices like quantum dots can serve as platforms for scalable quantum information processors to visiting high school student Cassia Attard. (May 1, 2018)

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Major funding for quantum light source project announced

Our $2.7 million project with Defence Research and Development Canada was announced on Thursday, April 12 by Honourable Bardish Chagger, Minister of Small Business and Tourism and our local Waterloo MP, at  a press conference hosted at RAC. It is a collaborative project, headed by Jonathan Baugh, with co-PI’s Prof. Michael Reimer and Prof. Zbig Wasilewski. Dr. Francois Sfigakis is the project manager. He is a Research Assistant Professor (Chemistry) working in Baugh’s group.


The event was followed by tours of the Reimer and Baugh labs. In the picture above, MP Bardish Chagger and MP Raj Saini can be seen holding semiconductor chip samples. The story was also covered in local and national media. Here are links to some stories:

Motherboard / Vice story

Signal magazine

Waterloo chronicle

The Record

Chemistry website story

UW web story

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On the path to building a quantum computer

Professor Baugh and the Coherent Spintronics lab were featured recently in an article and video as part of IQC’s Annual Report.

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Postdoc positions available

Two postdoctoral research positions are now available in our group at the Institute for Quantum Computing, University of Waterloo. We anticipate two-year appointments, with the possibility of a third year, contingent on performance and funding. These appointments may begin as early as Fall 2017. Excellent candidates are sought with an experimental background in semiconductor devices, nano- and micro-fabrication, and cryogenic transport measurements. A PhD in Physics, Engineering Physics, Chemistry or closely related fields is required. Experience with device modeling using finite element methods is desirable, but not strictly required. Knowledge of techniques in classical/quantum optics and spectroscopy is also helpful. We are equipped with state-of-the-art laboratories for device fabrication and measurement.

The first project involves the fabrication and measurement of lateral quantum dots and gated P-N junctions in III-V semiconductor heterostructures, e.g. GaAs or InGaAs two-dimensional electron gases. Applications of interest include novel solid-state quantum light sources and electron (or hole) spin qubits. Strong prior experience with standard micro-fabrication tools and methods is necessary. Familiarity with gate-defined quantum dots and high-frequency techniques (e.g. fast gating) is highly desirable. The project is in collaboration with Engineering-based researchers who are experts in quantum optics and materials growth. The entire team consists of several postdoctoral and graduate members, whom the researcher will work alongside.

The second project is to develop infrared photodetector technology based on III-V nanowires. It will involve fabrication of, and experimentation on, single-wire and ensemble-wire photo-transport devices, both at room temperature and at cryogenic temperatures. Knowledge of semiconductor device modeling and optical spectroscopy techniques are desirable. The researcher may also contribute to other nanowire device initiatives, such as fundamental transport studies in low dimensions, quantum dot spin qubits, and topological states in solid-state systems. The project is in collaboration with nanowire growth experts at McMaster University. The researcher will work alongside another postdoctoral researcher and 2-3 graduate students.

Interested candidates please contact Prof. Baugh, baugh[at]

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Prof. Baugh at OCE Discovery


Prof. Baugh attended the OCE Discovery technology fair on May 9 in Toronto, and presented his work on “Nanowire-based infrared photodetectors” to the global Chief Technology Officer of Lockheed Martin, Dr. Keoki Jackson (far left in photo). The work is in collaboration with Prof. Ray LaPierre of McMaster University (far right in photo), and from our group involves Eduardo Barrera and Greg Holloway.

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Congratulations Sean and Eduardo!

Sean Walker won the first place poster prize at the Guelph-Waterloo Chemistry annual meeting last week (April 2016).
His poster was titled: “Deposition of functionalized molecular nanomagnets on graphene”  2016AwardsPoster
Eduardo Barrera obtained an Ontario Graduate Scholarship for 2016-2017.
Congrats to both!
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Welcome and Congrats!

Welcome to Milad Khoshnegar and Franklin Cho who have joined the Coherent Spintronics Group as new Postdoctoral Fellows. Milad received his PhD from the University of Waterloo and Franklin finished his PhD from the University of Southern California.

Welcome to Brandon Buonacorsi and Eduardo Barrera who started as new MSc and PhD students last Fall, respectively. Brandon graduated from the University of California-Davis and Eduardo graduated from Carleton University.

Congratulations to Sean Walker who succesfully defended his Master’s thesis last November!

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Arxiv links to recent papers

Several papers completed in 2014 are on the arxiv and have been submitted to various journals for publication. Here are the titles and links:

Theory of Josephson Interference due to Orbital States in a Nanowire Proximity Effect Junction

Josephson Interference due to Orbital States in a Nanowire Proximity Effect Junction

Magnetoconductance signatures of subband structure in semiconductor nanowires

Hyperfine spin qubits in irradiated malonic acid: heat-bath algorithmic cooling

Chiral Quantum Walks

Experimental Estimation of Average Fidelity of a Clifford Gate on a 7-qubit Quantum Processor

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Placing a nanowire with a micromanipulator (video)

Greg Holloway made this really cool video demonstrating the placement of a semiconductor nanowire using our recently home-built micromanipulator tool. This improves dramatically upon the previous method of mechanically depositing many wires randomly on a pre-patterned device substrate, and opens up new possibilities for quantum device fabrication. Nice work Greg!

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