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Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
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Certifying the quantumness of a generalized coherent control scenario
Torsten Scholak1, Paul Brumer1
1Chemical Physics Theory Group, Department of Chemistry, and Center for Quantum Information and Quantum Control, University of Toronto, Toronto, Ontario M5S 3H6, Canada.
The Journal of Chemical Physics
|November 29, 2014
Summary
This study demonstrates the quantum nature of coherent control using a novel interferometer. Experiments show quantum delayed-choice behavior in photoionization, linking particle-like and wave-like properties.
Area of Science:
- Quantum mechanics
- Quantum optics
- Atomic physics
Background:
- Coherent control is crucial for manipulating quantum systems.
- Understanding the fundamental quantum nature of control is essential.
- Distinguishing quantum from classical behavior in control scenarios remains a challenge.
Purpose of the Study:
- To design a "coherent control interferometer" linking control to quantum fundamentals.
- To rigorously demonstrate the quantum nature of a generalized weak-field coherent control scenario.
- To implement a "quantum delayed-choice" experiment in bichromatic alkali atom photoionization.
Main Methods:
- Utilizing a "coherent control interferometer" for analysis.
- Employing a Bell-CHSH test to verify quantum correlations.
- Performing bichromatic alkali atom photoionization experiments.
Main Results:
- The study rigorously displays the genuinely quantum nature of the control scenario.
- A quantum delayed-choice experiment was successfully proposed and described.
- Two complementary situations were identified: particle-like behavior with random spin and wave-like behavior with spin controllability.
Conclusions:
- The proposed experiment highlights the fundamental quantum nature of coherent control.
- Quantum delayed-choice behavior is demonstrated in a photoionization context.
- The interplay between particle-like and wave-like properties is shown to be conditioned on quantum states.
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