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4 October 2023 Hamiltonian engineering using coupled cavity arrays
Arka Majumdar
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Proceedings Volume PC12647, Active Photonic Platforms (APP) 2023; PC126470M (2023) https://doi.org/10.1117/12.2673357
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
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.
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Arka Majumdar "Hamiltonian engineering using coupled cavity arrays", Proc. SPIE PC12647, Active Photonic Platforms (APP) 2023, PC126470M (4 October 2023); https://doi.org/10.1117/12.2673357
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KEYWORDS
Engineering
Quantum devices
Control systems
Crosstalk
Physical phenomena
Quantum control
Quantum phenomena
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