18 code implementations • 11 Jul 2017 • Andrew W. Cross, Lev S. Bishop, John A. Smolin, Jay M. Gambetta
This document describes a quantum assembly language (QASM) called OpenQASM that is used to implement experiments with low depth quantum circuits.
Quantum Physics
1 code implementation • 9 Jun 2014 • Robert Koenig, John A. Smolin
We give an algorithm which produces a unique element of the Clifford group C_n on n qubits from an integer 0\le i < |C_n| (the number of elements in the group).
Quantum Physics
no code implementations • 1 Nov 2012 • Seth T. Merkel, Jay M. Gambetta, John A. Smolin, S. Poletto, A. D. Córcoles, B. R. Johnson, Colm A. Ryan, M. Steffen
The essential ingredient is to define a likelihood function that assumes nothing about the gates used for preparation and measurement.
Quantum Physics
no code implementations • 23 Feb 2012 • Jerry M. Chow, Jay M. Gambetta, A. D. Corcoles, Seth T. Merkel, John A. Smolin, Chad Rigetti, S. Poletto, George A. Keefe, Mary B. Rothwell, J. R. Rozen, Mark B. Ketchen, M. Steffen
We use quantum process tomography to characterize a full universal set of all-microwave gates on two superconducting single-frequency single-junction transmon qubits.
Quantum Physics Mesoscale and Nanoscale Physics
1 code implementation • 27 Jun 2011 • John A. Smolin, Jay M. Gambetta, Graeme Smith
We provide an efficient method for computing the maximum likelihood mixed quantum state (with density matrix rho) given a set of measurement outcome in a complete orthonormal operator basis subject to Gaussian noise.
Quantum Physics
