Speaker
Description
The use of quantum mechanical systems for the storing, processing and transmission of information unlocks potential gains in speed and functionality inaccessible to classical technologies.
Photonic platforms in particular are powerful sensing technologies, and their quantum behaviour can be exploited for the highly non-classical imaging technique of interaction-free imaging. In principle, this protocol allows the imaging of an object with much less than the classically expected amount of light being absorbed or scattered by the object, useful, for instance, to image photosensitive biological samples or ultracold atom clouds. In the first part of this talk, we will explore an extension of the standard scheme to the imaging of multiple objects with a single quantum probe and discuss its experimental implementation on a universal integrated photonic processor.
Photonic-based systems are also a promising candidate for building general-purpose quantum computers, which promise to bring exponential speed-ups in certain algorithms currently unattainable to the most powerful classical supercomputers. One relevant architecture, called Spin-Optical Quantum Computing (SPOQC), combines spin-based single photon emitters with photonic flying qubits, benefitting from the best features of both light and matter systems. In the second part of the talk, we explore a SPOQC implementation of a protocol for the preparation of magic states, a key resource for the universality of quantum computers which is non-trivial and typically expensive to prepare. We discuss how this protocol significantly lowers demands on required resources at the cost of robustness to noise, and how it may be more adequate for near-term, lower-scale devices.
| Which topic best fits your talk? | Optics and Photonics |
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| Affiliations | Universidade do Minho, International Iberian Nanotechnology Laboratory |