Related Experiment Video
Updated: Apr 24, 2026
06:42
Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
8.9K
Dynamic control of plasmon generation by an individual quantum system
Christoph Große1, Alexander Kabakchiev, Theresa Lutz
1Max-Planck-Institut für Festkörperforschung , Heisenbergstraße 1, 70569 Stuttgart, Germany.
Nano Letters
|September 3, 2014
Summary
Scientists demonstrate a single molecule controlling light on the nanoscale. This breakthrough enables a plasmon-generating field-effect transistor for faster information processing and quantum interfaces.
Area of Science:
- Quantum Physics
- Nanophotonics
- Nanoelectronics
Background:
- Controlling light at the nanoscale is crucial for information technology.
- Plasmons enable light guidance but lack electronic control.
- Quantum systems offer potential for precise manipulation.
Purpose of the Study:
- To demonstrate electronic control over plasmon generation using a quantum system.
- To develop a nanoscale device for monitoring quantum systems.
- To realize a single-molecule plasmon-generating field-effect transistor.
Main Methods:
- Utilizing a single molecule within a double tunnel barrier between electrodes.
- Investigating the dynamic gating of electrical plasmon generation.
- Operating the device in the gigahertz range.
Main Results:
- An individual quantum system was shown to dynamically gate electrical plasmon generation.
- The gating mechanism allows monitoring of fast quantum system changes.
- A single-molecule plasmon-generating field-effect transistor was successfully realized.
Conclusions:
- Atomic-scale quantum interfaces bridging nanoelectronics and nanophotonics are achievable.
- This technology offers new possibilities for information exchange and processing.
- The developed transistor operates effectively in the gigahertz range.
