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IBM Quantum

All 3 posts tagged IBM Quantum, newest first. Cited technical writing on quantum computing, IBM Z modernization and open hardware.

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A Qiskit Aer Noise Model That Installs Zero Errors Still Returns Successfully

Deriving noise eligibility from IBM calibration gate lengths fixed a wrong channel and left an uncompiled circuit with an empty noise model.

Sep 21, 20265 min readquantum-computingQiskitIBM Quantumopen-source

Dynamical Decoupling Erased a Subthreshold Result on IBM Heavy-Hex

Dynamical decoupling reversed an apparent subthreshold trend for a surface code on IBM heavy-hex hardware. Here is the mechanism and the numbers.

Sep 17, 20264 min readquantum-computingquantum-error-correctionsurface-codeIBM Quantumdynamical-decoupling

Error Detection Plus Probabilistic Error Cancellation: A 63-Fold Cut in Sampling Overhead

An IBM preprint composes post-selection with probabilistic error cancellation using a spacetime noise model, cutting inferred sampling overhead 63-fold.

Sep 16, 20264 min readquantum-computingerror-mitigationquantum-error-correctionIBM Quantum

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