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Quantum Control

Edited by: Prof Matthew James, Prof Gerard Milburn, Prof John Gough

In conjunction with the Ninth International Workshop on Principles and Applications for Control of Quantum Systems, EPJ Quantum Technology would like to call for papers to be published in a Thematic Series on Quantum Control. Quantum Control has already led to significant improvements in technologies ranging from magnetic resonance to prototype quantum computers, from quantum high-precision sensors to quantum logic clocks, from single atom transistors to quantum noise suppression in gravitation wave detectors. The field is experiencing rapid development driven by the necessity of practical engineered quantum systems. This series will highlight how quantum control engineering is becoming an essential framework behind the implementation of Quantum Technology, and focus on its role in problems of design, stabilization, error-correction, noise reduction and filtering, and combating decoherence.

  1. Research

    Silicon nanophotonics for scalable quantum coherent feedback networks

    The emergence of coherent quantum feedback control (CQFC) as a new paradigm for precise manipulation of dynamics of complex quantum systems has led to the development of efficient theoretical modeling and simu...

    Mohan Sarovar, Daniel BS Soh, Jonathan Cox, Constantin Brif, Christopher T DeRose, Ryan Camacho and Paul Davids

    EPJ Quantum Technology 2016 3:14

    Published on: 22 October 2016

  2. Research

    Hybrid optimization schemes for quantum control

    Optimal control theory is a powerful tool for solving control problems in quantum mechanics, ranging from the control of chemical reactions to the implementation of gates in a quantum computer. Gradient-based ...

    Michael H Goerz, K Birgitta Whaley and Christiane P Koch

    EPJ Quantum Technology 2015 2:21

    Published on: 17 September 2015

  3. Research

    Quantum learning of coherent states

    We develop a quantum learning scheme for binary discrimination of coherent states of light. This is a problem of technological relevance for the reading of information stored in a digital memory. In our settin...

    Gael Sentís, Mădălin Guţă and Gerardo Adesso

    EPJ Quantum Technology 2015 2:17

    Published on: 9 July 2015

  4. Research

    Improved mirror position estimation using resonant quantum smoothing

    Quantum parameter estimation, the ability to precisely obtain a classical value in a quantum system, is very important to many key quantum technologies. Many of these technologies rely on an optical probe, eit...

    Trevor A Wheatley, Mankei Tsang, Ian R Petersen and Elanor H Huntington

    EPJ Quantum Technology 2015 2:13

    Published on: 20 May 2015

  5. Research

    Walsh-synthesized noise filters for quantum logic

    We study a novel class of open-loop control protocols constructed to perform arbitrary nontrivial single-qubit logic operations robust against time-dependent non-Markovian noise. Amplitude and phase modulation...

    Harrison Ball and Michael J Biercuk

    EPJ Quantum Technology 2015 2:11

    Published on: 14 May 2015

  6. Research

    A Trotter-Kato theorem for quantum Markov limits

    Using the Trotter-Kato theorem we prove the convergence of the unitary dynamics generated by an increasingly singular Hamiltonian in the case of a single field coupling. The limit dynamics is a quantum stochas...

    Luc Bouten, Rolf Gohm, John Gough and Hendra Nurdin

    EPJ Quantum Technology 2015 2:9

    Published on: 30 April 2015

  7. Research

    A coherent perceptron for all-optical learning

    We present nonlinear photonic circuit models for constructing programmable linear transformations and use these to realize a coherent perceptron, i.e., an all-optical linear classifier capable of learning the ...

    Nikolas Tezak and Hideo Mabuchi

    EPJ Quantum Technology 2015 2:10

    Published on: 30 April 2015