Adaptively segmented pulse-based VQE prepares ground states of small Heisenberg and mixed-field Ising chains in simulated Rydberg arrays, and a hybrid gate scheme is proposed for measuring the energy.
PulserDiff: a pulse differentiable extension for Pulser
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abstract
Programming analog quantum processing units (QPUs), such as those produced by Pasqal, can be achieved using specialized low-level pulse libraries like Pulser. However, few currently offer the possibility to optimize pulse sequence parameters. In this paper, we introduce PulserDiff, a user-friendly and open-source Pulser extension designed to optimize pulse sequences over a well-defined set of control parameters that drive the quantum computation. We demonstrate its usefulness through several case studies involving analog configurations that emulate digital gates and state preparation. PulserDiff produces hardware-compatible pulses with remarkably high fidelities, showcasing its potential for advancing analog quantum computing applications.
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Pulse-based optimization of quantum many-body states with Rydberg atoms in optical tweezer arrays
Adaptively segmented pulse-based VQE prepares ground states of small Heisenberg and mixed-field Ising chains in simulated Rydberg arrays, and a hybrid gate scheme is proposed for measuring the energy.