Preservation of commutation relations and physical realizability of open two-level quantum systems

LAD Espinosa, Z Miao, IR Petersen… - 2012 IEEE 51st IEEE …, 2012 - ieeexplore.ieee.org
Coherent feedback control considers purely quantum controllers in order to overcome
disadvantages such as the acquisition of suitable quantum information, quantum error …

A direct coupling coherent quantum observer for a single qubit finite level quantum system

IR Petersen - 2014 4th Australian Control Conference (AUCC), 2014 - ieeexplore.ieee.org
This paper considers the problem of constructing a direct coupling quantum observer for a
single qubit finite level quantum system plant. The proposed observer is a single mode …

Time averaged consensus in a direct coupled coherent quantum observer network for a single qubit finite level quantum system

IR Petersen - 2015 10th Asian Control Conference (ASCC), 2015 - ieeexplore.ieee.org
This paper considers the problem of constructing a direct coupled quantum observer
network for a single qubit quantum system. The proposed observer consists of a network of …

On the preservation of commutation and anticommutation relations of n-level quantum systems

LAD Espinosa, Z Miao, IR Petersen… - 2013 American …, 2013 - ieeexplore.ieee.org
The goal of this paper is to provide conditions under which a quantum stochastic differential
equation (QSDE) preserves the commutation and anticommutation relations of the SU (n) …

Direct and indirect couplings in the interconnection of open two level quantum systems

Z Miao, MR James - 2015 IEEE Conference on Control …, 2015 - ieeexplore.ieee.org
Recently, the influences and applications of indirect and direct couplings in coherent
feedback control of linear quantum stochastic systems have been investigated. However …

Quantum observers for dissipative interacting qubits in a common environment

Z Miao, Y Pan, MR James - 2015 5th Australian Control …, 2015 - ieeexplore.ieee.org
We previously developed coherent quantum observers for linear and bilinear quantum
plants corresponding to open harmonic oscillators and finite level quantum systems …