18 citations · 40 across the 7 of their papers we have counts for
8 papers · 1 filter
Dynamical Decoupling using Universal Optimal Tracking
Amit Devra, Emanuel Malvetti, Niklas J. Glaser +8
Dynamical decoupling (DD) is a widely used and resource-efficient technique for error suppression, but conventional DD relies on periodically repeating a short pulse block to refoc…
Superconducting Qubit Gates Robust to Parameter Fluctuations
Emily Wright, Leo Van Damme, Niklas J. Glaser +14
State-of-the-art single-qubit gates on superconducting transmon qubits can achieve the fidelities required for error-corrected computations. However, parameter fluctuations due to…
Tackling the Challenges of Adding Pulse-level Support to a Heterogeneous HPCQC Software Stack: MQSS Pulse
Jorge Echavarria, Muhammad Nufail Farooqi, Amit Devra +22
We study the problem of adding native pulse-level control to heterogeneous High Performance Computing-Quantum Computing (HPCQC) software stacks, using the Munich Quantum Software S…
Theory and Experimental Demonstration of Wigner Tomography of Unknown Unitary Quantum Gates
Amit Devra, Léo Van Damme, Frederik vom Ende +2
We investigate the tomography of unknown unitary quantum processes within the framework of a finite-dimensional Wigner-type representation. This representation provides a rich visu…
Motion-Insensitive Time-Optimal Control of Optical Qubits
Léo Van Damme, Zhao Zhang, Amit Devra +2
In trapped-atom quantum computers, high-fidelity control of optical qubits is challenging due to the motion of atoms in the trap. If not corrected, the atom motion gets entangled w…
Wigner State and Process Tomography on Near-Term Quantum Devices
Amit Devra, Niklas J. Glaser, Dennis Huber +1
We present an experimental scanning-based tomography approach for near-term quantum devices. The underlying method has previously been introduced in an ensemble-based NMR setting.…
Robust control of an ensemble of springs: Application to Ion Cyclotron Resonance and two-level Quantum Systems
V. Martikyan, A. Devra, D. Guéry-Odelin +2
We study the simultaneous control of an ensemble of springs with different frequencies by means of adiabatic, shortcut to adiabaticity and optimal processes. The linearity of the s…
Efficient experimental design of high-fidelity three-qubit quantum gates via genetic programming
Amit Devra, Prithviraj Prabhu, Harpreet Singh +2
We have designed efficient quantum circuits for the three-qubit Toffoli (controlled-controlled NOT) and the Fredkin (controlled-SWAP) gate, optimized via genetic programming method…