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How to Make Distinct Dynamical Systems Appear Spectrally Identical.
Andre G Campos1, Denys I Bondar1, Renan Cabrera1
1Department of Chemistry, Princeton University, Princeton, New Jersey 08544, USA.
Physical Review Letters
|March 11, 2017
Summary
Scientists can engineer laser pulses to control the optical response of any system. This finding impacts understanding atomic and molecular systems and designing new optical materials.
Area of Science:
- Nonlinear optics
- Quantum dynamics
- Materials science
Background:
- Optical responses of dynamical systems are crucial for understanding light-matter interactions.
- Characterizing atomic and molecular systems often relies on analyzing induced dipolar spectra.
- Controlling optical responses is key for developing advanced optical materials and technologies.
Purpose of the Study:
- To demonstrate that a laser pulse can be designed to elicit a specific optical response from any arbitrary dynamical system.
- To illustrate the computation of driving fields for inducing identical optical responses in diverse systems (quantum/classical, open/closed).
- To explore the implications for characterizing atomic/molecular systems and designing materials with tailored optical properties.
Main Methods:
- Theoretical formulation for computing tailored laser pulse shapes.
- Application to various dynamical systems, including quantum and classical models.
- Analysis of induced dipolar spectra to assess system characterization.
Main Results:
- A universal method exists to find laser pulses that induce any desired optical response from arbitrary dynamical systems.
- The same optical response can be induced in distinct systems by specifically designed driving fields.
- Induced dipolar spectra alone are insufficient for complete characterization of atomic and molecular systems without knowledge of the driving field.
Conclusions:
- The ability to engineer laser pulses offers significant control over optical responses in diverse systems.
- This control provides new avenues for designing materials with specific optical functionalities.
- Findings highlight previously unrecognized flexibilities within nonlinear optics for scientific and technological applications.
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