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Design of topological nanowire lasers using modified honeycomb lattices of III-V nanowires

Faculty of Arts and Science

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Dr P. Bianucci Applications accepted all year round

About the Project

In this project, we investigate novel science in photonics and develop novel metaphotonic lasers using technologically important materials. Such novel metaphotonic lasers exploit edge states formed by unconventional bottom-up gallium nitride (GaN) nanowire metaphotonic structures, based on modified honeycomb lattices, with two different topological invariants. The metaphotonic structures will be engineered by molecular beam epitaxy (MBE) with an atomic scale precision. Compared to conventional metaphotonic devices, whose emission characteristics (such as emission wavelength) are very sensitive to imperfections, the topologically-protected metaphotonic lasers we intend to deliver in this project are robust to imperfections introduced during the micro/nanofabrication process. This novel concept of utilizing different topologies for creating robust optical cavities in metaphotonic structures can enable high-yield, low-cost, technologically important lasers.

Funding Notes

Successful applicant will be offered a financial package consisting of RA, TA and various awards of at least 20,000 CAD per year (often more), for 4 years (Ph.D.) or 2 years (M.Sc.). International students will be offered tuition remissions or other awards to compensate for the international tuition fees.

Please contact Professor Pablo Bianucci ([Email Address Removed]) or Professor Valter Zazubovits, Graduate Program Director ([Email Address Removed]) for more information.

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