Measurement-based quantum computing with a spin ensemble coupled to a stripline cavity

Yuting Ping*, Erik M. Gauger, Simon C. Benjamin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)
48 Downloads (Pure)


Recently, a new form of quantum memory was proposed. The storage medium is an ensemble of electron spins, coupled to a stripline cavity and an ancillary readout system. Theoretical studies suggest that the system should be capable of storing numerous qubits within the ensemble, and an experimental proof-of-concept has already been performed. Here, we show that this minimal architecture is not limited to storage but is in fact capable of full quantum processing by employing measurement-based entanglement. The technique appears to be remarkably robust against the anticipated dominant error types. The key enabling component, namely a readout technology that non-destructively determines 'are there n photons in the cavity?', has already been realized experimentally.

Original languageEnglish
Article number013030
Number of pages17
JournalNew Journal of Physics
Publication statusPublished - 17 Jan 2012




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