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Frequency-encoded linear cluster states with coherent Raman photons by Scerri, Dale; Malein, Ralph N. E.; Gerardot, Brian D.; Gauger, Erik M. is a scholarly article available to read on EtoBox.

What is Frequency-encoded linear cluster states with coherent Raman photons about?

Entangled multi-qubit states are an essential resource for quantum information and computation. Solid-state emitters can mediate interactions between subsequently emitted photons via their spin, thus offering a route towards generating entangled multi-photon states. However, existing schemes typically rely on the incoherent emission of single photons and suffer from severe practical limitations, for self-assembled quantum dots most notably the limited spin coherence time due to Overhauser magnetic field fluctuations. We here propose an alternative approach of employing spin-flip Raman scattering events of self-assembled quantum dots in Voigt geometry. We argue that weakly driven hole spins constitute a promising platform for the practical generation of frequency-entangled photonic cluster states.

Author

Scerri, Dale; Malein, Ralph N. E.; Gerardot, Brian D.; Gauger, Erik M.

Published

2018

Language

EN