C
Constantin Brif
Researcher at Sandia National Laboratories
Publications - 79
Citations - 2859
Constantin Brif is an academic researcher from Sandia National Laboratories. The author has contributed to research in topics: Quantum information & Quantum decoherence. The author has an hindex of 24, co-authored 79 publications receiving 2460 citations. Previous affiliations of Constantin Brif include Princeton University & California Institute of Technology.
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Control of quantum phenomena: past, present and future
TL;DR: Adaptive feedback control (AFC) as mentioned in this paper is a state-of-the-art technique for quantum control. But it is not suitable for the case of femtosecond laser sources.
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Phase-space formulation of quantum mechanics and quantum-state reconstruction for physical systems with Lie-group symmetries
Constantin Brif,Ady Mann +1 more
TL;DR: In this paper, a general theory of phase-space distributions is presented for quantum systems possessing Lie-group symmetries, where the concept of generalized coherent states and the method of harmonic analysis are used to construct a family of phase space functions.
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Self-referenced continuous-variable quantum key distribution protocol
Daniel B. S. Soh,Constantin Brif,Patrick J. Coles,Norbert Lütkenhaus,Ryan M. Camacho,Junji Urayama,Mohan Sarovar +6 more
TL;DR: This work introduces a new continuous-variable quantum key distribution protocol, self-referenced CV-QKD, that eliminates the need for transmission of a high-power local oscillator between the communicating parties and quantifies the expected secret key rates by expressing them in terms of experimental parameters.
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Coherent Control of Decoherence
M.P.A. Branderhorst,Pablo Londero,Piotr Wasylczyk,Constantin Brif,Robert L. Kosut,Herschel Rabitz,Ian A. Walmsley +6 more
TL;DR: Close-loop coherent control can be used to mitigate the rate of quantum dephasing in a gas-phase ensemble of potassium dimers (K2), which acts as a model system for testing the general concepts of controlling decoherence.
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Controllability of open quantum systems with Kraus-map dynamics
TL;DR: In this article, the authors present a constructive proof of complete kinematic state controllability of finite-dimensional open quantum systems whose dynamics are represented by Kraus maps, and prove the existence of a Kraus map that transforms all initial states into a predefined target state.