TU Berlin

Physical Foundations of IT SecurityMethods and Technology

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Quantum Memories

Experimental scheme for a vapor cell quantum memory
Lupe

Photonic quantum memories are devices that can store single photon in a quantum coherent fashion. They are so far missing key components for the second quantum revolution and enable a plethora of novel applications. For example, quantum networks promise provable security in communication and also the possibility for connecting quantum computers and simulators for calculations on distributed machines.

We focus on quantum memories implemented in room temperature alkaline vapor, a robust platform that promises suitability not only for applications on ground, but also on satellites.

 

 

References:

Simple Atomic Quantum Memory Suitable for Semiconductor Quantum Dot Single Photons
Janik Wolters, et al., Phys. Rev. Lett. 119, 060502 (2017)
https://arxiv.org/abs/1703.00489

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