A Stark Future for Quantum Control

Townsend, David; Sussman, Benjamin J.; Stolow, Albert

doi:10.1021/jp109095d

Cited by 68 publications

(66 citation statements)

References 154 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…These terms are dependent on the pulse carrier frequency, and their behavior differs qualitatively from the first term in the brackets on the right side of Eq. (22), which dominates in the |ω c | ≫ ω 0 limit, in which Eq. (20) is reduced to the following form:…”

Section: A Linearly Forced Harmonic Oscillator Model Of Dscmentioning

confidence: 99%

“…[18][19][20] For non-adiabatic motion in molecular photodissociation involving excited electronic states, similar effects have been used to modify the dissociation dynamics. [21][22][23][24] A key feature of the above phenomena involving polarization forces is that control can be exerted under non-resonant conditions.…”

Section: Introductionmentioning

confidence: 99%

“…When a molecule interacts with a time-dependent electric field, the distortion of the electronic states leads to the so-called dynamic Stark effect, 22,31 which as the name suggests is the time-dependent counterpart to the static Stark effect. 32 The term dynamic Stark control (DSC) has been used to describe methods of quantum control related to the dynamic Stark effect (see, e.g., Refs.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Non-resonant dynamic stark control of vibrational motion with optimized laser pulses

Thomas

Henriksen

2016

The Journal of Chemical Physics

View full text Add to dashboard Cite

The term dynamic Stark control (DSC) has been used to describe methods of quantum control related to the dynamic Stark effect, i.e., a time-dependent distortion of energy levels. Here, we employ analytical models that present clear and concise interpretations of the principles behind DSC. Within a linearly forced harmonic oscillator model of vibrational excitation, we show how the vibrational amplitude is related to the pulse envelope, and independent of the carrier frequency of the laser pulse, in the DSC regime. Furthermore, we shed light on the DSC regarding the construction of optimal pulse envelopes — from a time-domain as well as a frequency-domain perspective. Finally, in a numerical study beyond the linearly forced harmonic oscillator model, we show that a pulse envelope can be constructed such that a vibrational excitation into a specific excited vibrational eigenstate is accomplished. The pulse envelope is constructed such that high intensities are avoided in order to eliminate the process of ionization.

show abstract

Section: A Linearly Forced Harmonic Oscillator Model Of Dscmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Non-resonant dynamic stark control of vibrational motion with optimized laser pulses

Thomas

Henriksen

2016

The Journal of Chemical Physics

View full text Add to dashboard Cite

show abstract

“…Many different strategies have been suggested contributing to knowledge on key aspects of the quantum dynamics, particularly under strong fields [8,9]. Experiments typically use pulseshaping technologies [10,11] and learning algorithms [12] have been used in a wide variety of systems [13?…”

Section: Introductionmentioning

confidence: 99%

Geometrical Optimization Approach to Isomerization: Models and Limitations

et al. 2017

View full text Add to dashboard Cite

We study laser-driven isomerization reactions through an excited electronic state using the recently developed Geometrical Optimization procedure [J. Phys. Chem. Lett. 6, 1724Lett. 6, (2015]. The goal is to analyze whether an initial wave packet in the ground state, with optimized amplitudes and phases, can be used to enhance the yield of the reaction at faster rates, exploring how the geometrical restrictions induced by the symmetry of the system impose limitations in the optimization procedure. As an example we model the isomerization in an oriented 2,2'-dimethyl biphenyl molecule with a simple quartic potential. Using long (picosecond) pulses we find that the isomerization can be achieved driven by a single pulse. The phase of the initial superposition state does not affect the yield. However, using short (femtosecond) pulses, one always needs a pair of pulses to force the reaction. High yields can only be obtained by optimizing both the initial state, and the wave packet prepared in the excited state, implying the well known pump-dump mechanism.

show abstract

“…For a broader perspective, the interested reader is referred to the following work and references therein. [12][13][14] The application of strong pulses to atoms has a long history. [15][16][17][18][19][20][21][22][23][24][25] Here we are interested in non-ionizing effects, which require the use of moderately-strong pulses, typically within tens of TW/cm 2 .…”

Section: Introductionmentioning

confidence: 99%

Molecular events in the light of strong fields: A light‐induced potential scenario

Chang

Solá

Shin

2016

Int J of Quantum Chemistry

View full text Add to dashboard Cite

A new perspective on how to manipulate molecules by means of very strong laser pulses is emerging with insights from the so-called light-induced potentials, which are the adiabatic potential energy surfaces of molecules severely distorted by the effect of the strong field. Different effects appear depending on how the laser frequency is tuned, to a certain electronic transition, creating light-induced avoided crossings, or very off-resonant, generating Stark shifts. In the former case it is possible to induce dramatic changes in the geometry and redistribution of charges in the molecule while the lasers are acting and to fully control photodissociation reactions as well as other photochemical processes. Several theoretical proposals taken from the work of the authors are reviewed and analyzed showing the unique features that the strong-laser chemistry opens to control the transient properties and the dynamics of molecules.

show abstract

A Stark Future for Quantum Control

Cited by 68 publications

References 154 publications

Non-resonant dynamic stark control of vibrational motion with optimized laser pulses

Non-resonant dynamic stark control of vibrational motion with optimized laser pulses

Geometrical Optimization Approach to Isomerization: Models and Limitations

Molecular events in the light of strong fields: A light‐induced potential scenario

Contact Info

Product

Resources

About