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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Cooperation between Coherent Control and Noises in Quantum Metrology
量子计量 相干控制 噪声
2023/11/7
In this work, the cooperation between coherent control and noises in open spin systems is studied, aiming to demonstrate that such cooperation can provide new possibilities for parametrization in quan...
Prospects of coherent control in turbid media: Bounds on focusing broadband laser pulses
Prospects coherent control turbid media broadband laser pulses
2011/8/11
Abstract: We study the prospects of controlling transmission of broadband and bi-chromatic laser pulses through turbid samples. The ability to focus transmitted broadband light is limited via both the...
Coherent control of the cooperative branching ratio for nuclear x-ray pumping
Coherent control cooperative branching ratio nuclear x-ray pumping
2010/11/11
Coherent control of nuclear pumping in a three level system driven by x-ray light is investigated. In single nuclei, the pumping performance is determined by the branching ratio of the excited state p...
Coherent control of atomic excitation using off-resonant strong few-cycle pulses
Coherent control atomic excitation off-resonant strong few-cycle pulses
2010/11/9
We study the dynamics of a two-level system driven by an off-resonant few-cycle pulse which has a phase jump $\phi$ at $t=t_{0}$, in contrast to many cycle pulses, under non rotating-wave approximati...
High order coherent control sequences of fat pulses
High order coherent control sequences fat pulses
2010/10/19
We analyze the performance of sequences of fat pulses of various lengths and shapes for dynamic
decoupling and we compare it with that of sequences of ideal, instantaneous pulses. The use of second o...
Tunneling under Coherent Control by Sequences of Unitary Pulses
Tunneling Coherent Control by Sequences Unitary Pulses
2010/10/19
A general coherent control scenario to suppress, or accelerate, tunneling of quantum states decaying into a continuum, is investigated. The method is based on deterministic, or stochastic, sequences o...
We study the use of squeezed light for qubit coherent control and compare it with the coherent state control field case. We calculate the entanglement between a short pulse of resonant squeezed light ...
Coherent Control Experiments as a Probe of the Carrier Scattering Processes
Carrier Scattering Processes coherent control experiments
2010/4/16
We report on coherent control experiments of excitons in GaAs/AlGaAs Quantum wells.This technique, which relies on the linear response of the crystal,is used to investigate the spin-dependent exciton-...