Pole placement approach to coherent passive reservoir engineering for storing quantum information

Thien Nguyen (1) , Zibo Miao (2) , Yu Pan (3) , Nina H. Amini (4, 5) , Valery Ugrinovskii (6) , Matt James (1)

1 ANU - Australian National University - Department of engineering
2 QUANTIC - QUANTum Information Circuits
3 Zhejiang University
4 L2S - Laboratoire des signaux et systèmes
5 CNRS - Centre National de la Recherche Scientifique
6 ADFA - Australian Defence Force Academy [Canberra]

The paper explores pole placement techniques to facilitate synthesis of decoherence free subsystems via coherent quantum feedback control. We discuss limitations of the conventional `open loop' approach and propose a constructive feedback design methodology for decoherence free subsystem engineering. It captures a quite general dynamic coherent feedback structure which allows systems with decoherence free modes to be synthesized from components which do not have such modes.

Domaines: Physique mathématique [math-ph]; Optimisation et contrôle [math.OC]; Physique Quantique [quant-ph]

Thien Nguyen, Zibo Miao, Yu Pan, Nina H. Amini, Valery Ugrinovskii, et al.. Pole placement approach to coherent passive reservoir engineering for storing quantum information. ACC 2017 - American Control Conference, May 2017, Seattle, United States. ⟨10.23919/ACC.2017.7962959⟩. ⟨hal-01719099⟩