Quantum Reading of Digital Memories

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• Stefano Pirandola (University of York)
• Thursday 01 December 2011, 14:15-15:15
• MR4, Centre for Mathematical Sciences.

If you have a question about this talk, please contact Paul Skrzypczyk.

Optical memories such as CDs and DVDs are central devices in our communication system. However, further progress in optical storage strictly relies on advances in Optics and Materials science. As an example, dye-based optical discs cannot be read by UV laser light, because of the inevitable degradation of their organic layers. This clearly puts a physical limit to their maximum storage capacity.

In this talk I will discuss a new approach to the readout of optical memories which is based on the use of quantum light. Thanks to its properties, this kind of light can retrieve digital information by using extremely low energy. I will discuss how such a feature can have non-trivial implications in terms of increasing storage capacities and data-transfer rates.

This talk is part of the CQIF Seminar series.

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