Lapert, M., Tehini, R., Turinici, G., Sugny, D.
We propose a new monotonically convergent algorithm which can enforce spectral constraints on the control field (and extends to arbitrary filters). The procedure differs from standard algorithms in...
Lapert, M., Tehini, R., Turinici, G., Sugny, D.
We consider the optimal control of quantum systems interacting non-linearly with an electromagnetic field. We propose new monotonically convergent algorithms to solve the optimal equations. The...
Time-minimal control of dissipative two-level quantum systems: The Integrable case (2008)
The objective of this article is to apply recent developments in geometric optimal control to analyze the time minimum control problem of dissipative two-level quantum systems whose dynamics is...
Time-Minimal Control of Dissipative Two-level Quantum Systems: the Generic Case (2008)
Bonnard, B., Chyba, M., Sugny, D.
The objective of this article is to complete preliminary results concerning the time-minimal control of dissipative two-level quantum systems whose dynamics is governed by Lindblad equations. The...
Not gate in a cis-trans photoisomerization model (2007)
Ndong, M., Bomble, L., Sugny, D., Justum, Y., Desouter-Lecomte, M.
We numerically study the implementation of a NOT gate by laser pulses in a model molecular system presenting two electronic surfaces coupled by non adiabatic interactions. The two states of the bit...
Fractional Hamiltonian Monodromy from a Gauss-Manin Monodromy (2007)
Sugny, D., Mardesic, P., Pelletier, M., Jebrane, A., Jauslin, H. R.
Fractional Hamiltonian Monodromy is a generalization of the notion of Hamiltonian Monodromy, recently introduced by N. N. Nekhoroshev, D. A. Sadovskii and B. I. Zhilinskii for energy-momentum maps...
Laser control in a bifurcating region (2007)
Sugny, D., Kontz, C., Ndong, M., Dive, G., Desouter-Lecomte, M.
We present a complete analysis of the laser control of a model molecular system using both optimal control theory and adiabatic techniques. This molecule has a particular potential energy surface...
Time-optimal control of a two-level dissipative quantum system (2007)
Sugny, D., Kontz, C., Jauslin, H. R.
We propose an analysis of the time-optimal control of a dissipative two-level quantum system whose dynamics is governed by the Lindblad equation. This simple system allows one to use tools of...
Reaching optimally oriented molecular states by laser kicks (2006)
Sugny, D., Keller, A., Atabek, O., Daems, D., Dion, C. M., Guérin, S., ...
We present a strategy for post-pulse orientation aiming both at efficiency and maximal duration within a rotational period. We first identify the optimally oriented states which fulfill both...
Control of mixed-state quantum systems by a train of short pulses (2005)
Sugny, D., Keller, A., Atabek, O., Daems, D., Dion, C. M., Guérin, S., ...
A density matrix approach is developped for the control of a mixed-state quantum system using a time-dependent external field such as a train of pulses. This leads to the definition of a target...
Laser control for the optimal evolution of pure quantum states (2005)
Sugny, D., Keller, A., Atabek, O., Daems, D., Dion, C. M., Guérin, S., ...
Starting from an initial pure quantum state, we present a strategy for reaching a target state corresponding to the extremum (maximum or minimum) of a given observable. We show that a sequence of...
Efficient and long-lived field-free orientation of molecules by a single hybrid short pulse (2005)
Daems, D., Guérin, S., Sugny, D., Jauslin, H. R.
We show that a combination of a half-cycle pulse and a short nonresonant laser pulse produces a strongly enhanced postpulse orientation. Robust transients that display both efficient and long-lived...
Time-dependent unitary perturbation theory for intense laser driven molecular orientation (2004)
Sugny, D., Keller, A., Atabek, O., Daems, D., Guérin, S., Jauslin, H. R.
We apply a time-dependent perturbation theory based on unitary transformations combined with averaging techniques, on molecular orientation dynamics by ultrashort pulses. We test the validity and the...
DISSOCIATION ENERGIES OF SIX $NO_{2}$ ISOTOPOLOGUES (2004)
Jost, R., Joyeux, Marc, Sugny, D., Michalski, G., Thiemens, M.
Author Institution: Laboratoire de Spectrom\'{e}trie Physique, Universit\'{e} J. Fourier---Grenoble I; Laboratoire de Spectrom\'{e}trie Physique, University of California
Reaching optimally oriented molecular states by laser kicks (2003)
Sugny, D., Keller, A., Atabek, O., Daems, D., Dion, C. M., Guérin, S., ...
We present a strategy for post-pulse orientation aiming both at efficiency and maximal duration within a rotational period. We first identify the optimally oriented states which fulfill both...