Quantum correlated four-wave-mixing: creation of n-dimensional optical cluster states

Zhifan Zhou

doi:10.1117/12.3012340

13 March 2024 Quantum correlated four-wave-mixing: creation of n-dimensional optical cluster states

Zhifan Zhou

Proceedings Volume PC12912, Quantum Sensing, Imaging, and Precision Metrology II; PC129120L (2024) https://doi.org/10.1117/12.3012340
Event: SPIE Quantum West, 2024, San Francisco, California, United States

Abstract

Error correction in measurement-based quantum computing schemes will require the construction of cluster states in at least 3 dimensions. Here, we generate 1-, 2-, 3-, and 4-dimensional optical frequency-mode cluster states by sending broadband 2-mode vacuum-squeezed light through an electro-optical modulator (EOM) driven with multiple frequencies. We create the squeezed light using 4-wave mixing in Rb atomic vapor and mix the sideband frequencies (qumodes) using an EOM, producing a pattern of entanglement correlations that constitute continuous-variable graph states containing up to several hundred qumodes. We verify the entanglement structure by using homodyne measurements to construct the covariance matrices and evaluate the nullifiers. This technique enables the scaling of optical cluster states to multiple dimensions without increasing loss.

Conference Presentation

Citation Download Citation

Zhifan Zhou "Quantum correlated four-wave-mixing: creation of n-dimensional optical cluster states", Proc. SPIE PC12912, Quantum Sensing, Imaging, and Precision Metrology II, PC129120L (13 March 2024); https://doi.org/10.1117/12.3012340

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