Low-disorder microwave cavity lattices for quantum simulation with photons

Author(s): Underwood, DL; Shanks, WE; Koch, J; Houck, Andrew A

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 Abstract: We assess experimentally the suitability of coupled-transmission-line resonators for studies of quantum phase transitions of light. We have measured devices with low photon hopping rates t/2π=0.8 MHz to quantify disorder in individual cavity frequencies. The observed disorder is consistent with small imperfections in fabrication. We studied the dependence of the disorder on transmission-line geometry and used our results to fabricate devices with disorder less than two parts in 104. The normal-mode spectrum of devices with a high photon hopping rate t/2π=31 MHz shows little effect of disorder, rendering resonator arrays a good backbone for the study of condensed-matter physics with photons. Publication Date: 20-Aug-2012 Electronic Publication Date: 20-Aug-2012 Citation: Underwood, DL, Shanks, WE, Koch, J, Houck, AA. (2012). Low-disorder microwave cavity lattices for quantum simulation with photons. Physical Review A - Atomic, Molecular, and Optical Physics, 86 (10.1103/PhysRevA.86.023837 DOI: doi:10.1103/PhysRevA.86.023837 Type of Material: Journal Article Journal/Proceeding Title: Physical Review A - Atomic, Molecular, and Optical Physics Version: Author's manuscript

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