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All-electronic Nanosecond-resolved Scanning Tunneling Microscopy: Facilitating the Investigation of Single Dopant Charge Dynamics

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Published on: January 19, 2018

Attosecond double-slit experiment.

F Lindner¹, M G Schätzel, H Walther

¹Max-Planck-Institut für Quantenoptik, Garching, Germany.

Physical Review Letters

|August 11, 2005

Summary

This summary is machine-generated.

Researchers demonstrate a novel time-domain double-slit experiment using attosecond laser pulses. This technique allows for interferometry on the attosecond timescale, revealing slit duration from fringe visibility.

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Area of Science:

Quantum physics
Attosecond science
Laser physics

Background:

The double-slit experiment is a cornerstone of quantum mechanics, demonstrating wave-particle duality.
Traditional experiments are typically performed in the spatial domain.
Exploring quantum phenomena in the time domain offers new insights.

Purpose of the Study:

To propose and demonstrate a novel double-slit experiment in the time domain.
To utilize attosecond laser pulses for creating temporal slits.
To perform interferometry on the attosecond timescale.

Main Methods:

Employing phase-stabilized few-cycle laser pulses to generate attosecond-duration photoionization windows (slits).
Measuring angle-resolved energy spectra to observe interference fringes.
Analyzing fringe visibility to determine the degree of which-way information.

Main Results:

Successfully implemented a time-domain double-slit experiment.
Observed interference fringes with visibility dependent on which-way information.
Demonstrated a scenario where an electron encounters single and double slits simultaneously.
Determined slit duration (approx. 500 attoseconds) from fringe analysis.

Conclusions:

The presented scheme enables interferometry on the attosecond timescale.
This work provides a new method for probing quantum phenomena in the time domain.
The results highlight the potential of attosecond science for fundamental physics investigations.