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Multiplexing continuous-variable quantum information in optics

Speaker: Dr. Seiji Armstrong Australian National University
Time: 2014-10-16 11:00-2014-10-16 12:00
Venue: FIT 1-222


Recently, very large entangled states of light have been generated using multiplexing techniques. I will explore some experiments that have successfully shown multiplexing to be a viable approach in increasing the scalability of quantum systems. Specifically, in the time domain we have entangled together more than 20,000 quantum systems, which is the largest entangled state created to date. Also, there are some nice consequences when dealing with spatial domain multiplexing that lead to the ability to be able to program linear optics networks, which I will discuss. I will also explore how these large entangled states may be used for measurement-based quantum computing.

Short Bio:

Dr Seiji Armstrong completed his PhD jointly at the Australian National University (Hans Bachor Group) and The University of Tokyo (Akira Furusawa Group). He is now a post-doctoral researcher at the Australian National University in the Ping Koy Lam Group. His research interests are quantum information and quantum optics, teleportation, cluster states, multiplexing large entangled systems, and measurement-based quantum computing.