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Analog quantum simulators rely on programmable quantum devices to emulate Hamiltonians describing various physical phenomenon. Photonic coupled cavity arrays are a promising platform for realizing such devices. Using a silicon photonic coupled cavity array made up of 8 high quality-factor resonators and equipped with specially designed thermo-optic island heaters for independent control of cavities, we demonstrate a programmable device implementing tight-binding Hamiltonians with access to the full eigen-energy spectrum. We report a ~50% reduction in the thermal crosstalk between neighboring sites of the cavity array compared to traditional heaters, and then present a control scheme to program the cavity array to a given tight-binding Hamiltonian.
Arka Majumdar andArnab Manna
"Hamiltonian engineering using coupled cavity arrays", Proc. SPIE PC13028, Quantum Information Science, Sensing, and Computation XVI, PC1302808 (10 June 2024); https://doi.org/10.1117/12.3016510
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Arka Majumdar, Arnab Manna, "Hamiltonian engineering using coupled cavity arrays," Proc. SPIE PC13028, Quantum Information Science, Sensing, and Computation XVI, PC1302808 (10 June 2024); https://doi.org/10.1117/12.3016510