21 November 2023
from 14:00 to 16:00

MCQST Colloquium | Tracy Northup (Universität Innsbruck)

MCQST Colloquium

Address / Location

MPI of Quantum Optics | Herbert Walther Lecture Hall

Hans-Kopferman-Straße 1

85748

Garching

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The MCQST Colloquium Series features interdisciplinary talks given by visiting international speakers. The monthly colloquium covers topics spanning all MCQST research units and will be broadcast live via Zoom for audiences worldwide. The main goal of the series is to create the framework for idea exchange, to strengthen links with QST leading groups worldwide, as well as to act as an integral part of the local educational environment.


MCQST Colloquium: Tracy Northup

We are excited to invite you to the colloquium talk by Tracy Northup (Universität Innsbruck).

Agenda

14:00 | Teaser talk by Florian Fesquet (WMI) on “Demonstration of microwave single-shot quantum key distribution”

14:15 | Coffee break

14:30 | Colloquium talk by Tracy Northup on “Quantum interfaces based on trapped ions”

Quantum interfaces based on trapped ions

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Entanglement-based quantum networks hold out the promise of new capabilities for secure communication, distributed quantum computing, and interconnected quantum sensors. However, only a handful of elementary quantum networks have been realized to date. I will present results from our prototype network, in which two calcium ions are entangled with one another over a distance of 230 m, via a 520 m optical fiber channel linking two buildings. The ion-ion entanglement is based on ion-photon entanglement mediated by coherent Raman processes in optical cavities. I will discuss the advantages of trapped ions for quantum networks and the role that cavities can play as quantum interfaces between light and matter at network nodes. After examining the key metrics for remote entanglement, we will consider the necessary steps to extend this work to long-distance networks of entangled quantum processors.

About Tracy Northup

Tracy Northup is a professor of experimental physics at the University of Innsbruck, Austria. Her research explores quantum interfaces between light and matter, focusing on trapped-ion and cavity-based interfaces for quantum networks and quantum optomechanics. She received her PhD from the California Institute of Technology in 2008 and then held an appointment as a postdoctoral scholar at the University of Innsbruck, where she was the recipient of a Marie Curie International Incoming Fellowship and an Elise Richter Fellowship. She became an assistant professor at the University of Innsbruck in 2015 and has been a full professor since 2017; she held an Ingeborg Hochmair Professorship from 2017 to 2022. In 2016, she received the START Prize, the highest Austrian award for young scientists, from the Austrian Science Fund.



Join in-person or via Zoom

https://lmu-munich.zoom.us/j/99897798115
Meeting ID: 998 9779 8115
Passcode: mcqst2024

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