Home > Press > Electron collider on a chip
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Simulation of the electron trajectories after a collision in an electronic beam splitter CREDIT
Physikalisch-Technische Bundesanstalt |
Abstract:
Electrical current is a stream of charged elementary particles. In semiconductor devices, ballistic electrons move at high speeds, making it difficult to address them individually. A controlled collision of individual electrons can provide the time resolution required for one electron to interrogate the other. The operating principle of such an electron collider circuit is similar to hitting one fast moving projectile with another well-timed shot. The challenge is therefore to precisely synchronize two individual electrons to exploit their interaction.
Electron collider on a chip
Braunschweig, Germany | Posted on June 30th, 2023
For this purpose, scientists at PTB have now developed a nanoscale collider on a semiconductor chip. Such a device integrates two single-electron sources that can be triggered to picosecond accuracy. Single-electron detectors record every outcome of the collision. An electron pair is generated by two separated sources and placed on intersecting paths such that a collision can occur. If the sources are precisely synchronized, the interaction between the electrons of the pair will determine which final signalling path will be reached by which individual particle. Despite the brevity of the encounter, the theoretical models developed at the University of Latvia with inputs from the Technical University of Braunschweig made it possible to infer electron trajectories from the experimental data and devise ways to control two-electron interaction for future applications. This demonstration of time-resolved interaction not only shows that such a flying electron can be used as an ultrafast sensor or switch, it also proves a mechanism to generate quantum entanglement—a key component of quantum computing. Appearing jointly with the consistent findings of research teams led by NEEL and NPL, these results have been published and introduced by a “News&Views” commentary in Nature Nanotechnology
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For more information, please click here
Contacts:
Media Contact
Erika Schow
Physikalisch-Technische Bundesanstalt (PTB)
Office: 49-531-592-9314
Expert Contact
Dr. Niels Ubbelohde
Physikalisch-Technische Bundesanstalt (PTB)
Office: +49 531 592-2534
Copyright © Physikalisch-Technische Bundesanstalt (PTB)
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Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.
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Nanotechnology Now – Press Release: Electron collider on a chip
Republished By Plato
Home > Press > Electron collider on a chip
Physikalisch-Technische Bundesanstalt
Abstract:
Electrical current is a stream of charged elementary particles. In semiconductor devices, ballistic electrons move at high speeds, making it difficult to address them individually. A controlled collision of individual electrons can provide the time resolution required for one electron to interrogate the other. The operating principle of such an electron collider circuit is similar to hitting one fast moving projectile with another well-timed shot. The challenge is therefore to precisely synchronize two individual electrons to exploit their interaction.
Electron collider on a chip
Braunschweig, Germany | Posted on June 30th, 2023
For this purpose, scientists at PTB have now developed a nanoscale collider on a semiconductor chip. Such a device integrates two single-electron sources that can be triggered to picosecond accuracy. Single-electron detectors record every outcome of the collision. An electron pair is generated by two separated sources and placed on intersecting paths such that a collision can occur. If the sources are precisely synchronized, the interaction between the electrons of the pair will determine which final signalling path will be reached by which individual particle. Despite the brevity of the encounter, the theoretical models developed at the University of Latvia with inputs from the Technical University of Braunschweig made it possible to infer electron trajectories from the experimental data and devise ways to control two-electron interaction for future applications. This demonstration of time-resolved interaction not only shows that such a flying electron can be used as an ultrafast sensor or switch, it also proves a mechanism to generate quantum entanglement—a key component of quantum computing. Appearing jointly with the consistent findings of research teams led by NEEL and NPL, these results have been published and introduced by a “News&Views” commentary in Nature Nanotechnology
####
For more information, please click here
Contacts:
Media Contact
Erika Schow
Physikalisch-Technische Bundesanstalt (PTB)
Office: 49-531-592-9314
Expert Contact
Dr. Niels Ubbelohde
Physikalisch-Technische Bundesanstalt (PTB)
Office: +49 531 592-2534
Copyright © Physikalisch-Technische Bundesanstalt (PTB)
If you have a comment, please Contact us.
Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.
Bookmark:
ARTICLE TITLE
News and information
Discovering features of band topology in amorphous thin films June 30th, 2023
Scientists edge toward scalable quantum simulations on a photonic chip: A system using photonics-based synthetic dimensions could be used to help explain complex natural phenomena June 30th, 2023
Chip-based dispersion compensation for faster fibre internet: SUTD scientists developed a novel CMOS-compatible, slow-light-based transmission grating device for the dispersion compensation of high-speed data, significantly lowering data transmission errors and paving the way for June 30th, 2023
New single-photon Raman lidar can monitor for underwater oil leaks: System could be used aboard underwater vehicles for many applications June 30th, 2023
Quantum Physics
Research breakthrough could be significant for quantum computing future: Irish-based scientists confirm crucial characteristic of new superconductor material June 30th, 2023
USTC enhances fluorescence brightness of single silicon carbide spin color centers June 9th, 2023
Single quantum bit achieves complex systems modeling June 9th, 2023
Quantum materials: Electron spin measured for the first time June 9th, 2023
Possible Futures
CityU awarded invention: Soft, ultrathin photonic material cools down wearable electronic devices June 30th, 2023
SLAS Technology provides insight into the future of bioprinting: The SLAS Technology special issue, Bioprinting the Future, examines the transformative potential of bioprinting in medicine June 30th, 2023
A solid understanding of liquid-solid interaction: Pitt researcher receives $300K from the NSF to explore motion of viscous liquids interacting with solid bodies June 30th, 2023
Research breakthrough could be significant for quantum computing future: Irish-based scientists confirm crucial characteristic of new superconductor material June 30th, 2023
Chip Technology
Discovering features of band topology in amorphous thin films June 30th, 2023
Scientists edge toward scalable quantum simulations on a photonic chip: A system using photonics-based synthetic dimensions could be used to help explain complex natural phenomena June 30th, 2023
Research breakthrough could be significant for quantum computing future: Irish-based scientists confirm crucial characteristic of new superconductor material June 30th, 2023
Breaking through the limits of stretchable semiconductors with molecular brakes that harness light June 9th, 2023
Quantum Computing
Scientists edge toward scalable quantum simulations on a photonic chip: A system using photonics-based synthetic dimensions could be used to help explain complex natural phenomena June 30th, 2023
Research breakthrough could be significant for quantum computing future: Irish-based scientists confirm crucial characteristic of new superconductor material June 30th, 2023
Quantum materials: Electron spin measured for the first time June 9th, 2023
Rensselaer researcher uses artificial intelligence to discover new materials for advanced computing Trevor Rhone uses AI to identify two-dimensional van der Waals magnets May 12th, 2023
Sensors
Researchers discover materials exhibiting huge magnetoresistance June 9th, 2023
Laser direct writing of Ga2O3/liquid metal-based flexible humidity sensors May 12th, 2023
Nanobiotechnology: How Nanomaterials Can Solve Biological and Medical Problems April 14th, 2023
Diamond cut precision: University of Illinois to develop diamond sensors for neutron experiment and quantum information science April 14th, 2023
Discoveries
CityU awarded invention: Soft, ultrathin photonic material cools down wearable electronic devices June 30th, 2023
SLAS Technology provides insight into the future of bioprinting: The SLAS Technology special issue, Bioprinting the Future, examines the transformative potential of bioprinting in medicine June 30th, 2023
A solid understanding of liquid-solid interaction: Pitt researcher receives $300K from the NSF to explore motion of viscous liquids interacting with solid bodies June 30th, 2023
Research breakthrough could be significant for quantum computing future: Irish-based scientists confirm crucial characteristic of new superconductor material June 30th, 2023
Announcements
Scientists edge toward scalable quantum simulations on a photonic chip: A system using photonics-based synthetic dimensions could be used to help explain complex natural phenomena June 30th, 2023
Chip-based dispersion compensation for faster fibre internet: SUTD scientists developed a novel CMOS-compatible, slow-light-based transmission grating device for the dispersion compensation of high-speed data, significantly lowering data transmission errors and paving the way for June 30th, 2023
New single-photon Raman lidar can monitor for underwater oil leaks: System could be used aboard underwater vehicles for many applications June 30th, 2023
CityU awarded invention: Soft, ultrathin photonic material cools down wearable electronic devices June 30th, 2023
Interviews/Book Reviews/Essays/Reports/Podcasts/Journals/White papers/Posters
New single-photon Raman lidar can monitor for underwater oil leaks: System could be used aboard underwater vehicles for many applications June 30th, 2023
CityU awarded invention: Soft, ultrathin photonic material cools down wearable electronic devices June 30th, 2023
SLAS Technology provides insight into the future of bioprinting: The SLAS Technology special issue, Bioprinting the Future, examines the transformative potential of bioprinting in medicine June 30th, 2023
Research breakthrough could be significant for quantum computing future: Irish-based scientists confirm crucial characteristic of new superconductor material June 30th, 2023
Quantum nanoscience
USTC enhances fluorescence brightness of single silicon carbide spin color centers June 9th, 2023
Quantum materials: Electron spin measured for the first time June 9th, 2023
IOP Publishing celebrates World Quantum Day with the announcement of a special quantum collection and the winners of two prestigious quantum awards April 14th, 2023
Diamond cut precision: University of Illinois to develop diamond sensors for neutron experiment and quantum information science April 14th, 2023
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