4 papers · 1 filter
Quantum Codes for Generalized Amplitude-damping Noise
Sourav Dutta, Anubhab Rudra, Manav Seksaria +2
Quantum error correcting (QEC) plays a crucial role in protecting quantum information against decoherence and enabling scalable, reliable quantum computing. One of the most realist…
Cutting Quantum Circuits Beyond Qubits
Manav Seksaria, Anil Prabhakar
We extend quantum circuit cutting to heterogeneous registers comprising mixed-dimensional qudits. By decomposing non-local interactions into tensor products of local generalised Ge…
Correcting quantum errors one gradient step at a time
Manav Seksaria, Anil Prabhakar
In this work, we introduce a general, gradient-based method that optimises codewords for a given noise channel and fixed recovery. We do so by differentiating fidelity and descendi…
Estimating shots and variance on noisy quantum circuits
Manav Seksaria, Anil Prabhakar
We present a method for estimating the number of shots required to achieve a desired variance in the results of a quantum circuit. First, we establish a baseline for single-qubit c…