Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Molecule-based photonically switched half and full adder.

Françoise Remacle1, Rainer Weinkauf, Raphael D Levine

  • 1The Fritz Haber Research Center for Molecular Dynamics, The Hebrew University of Jerusalem, Jerusalem 91904, Israel. fremacle@ulg.ac.be

The Journal of Physical Chemistry. A
|January 6, 2006
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Probing Ultrafast Excitonic Coherences and Charge-Generation Pathways in Quantum-Dot Photocells via Photocurrent-Detected Two-Dimensional Electronic Spectroscopy.

ACS nano·2026
Same author

Surprisal Analysis-Based Compaction of Entangled Molecular States of Maximal Entropy.

Entropy (Basel, Switzerland)·2026
Same author

Lossless and Lossy Characterization of the State of Perturbed Anharmonic Diatomics: An Information-Theoretic Compaction of Quantum Dynamics.

Journal of chemical theory and computation·2026
Same author

Visualizing the strong field-induced molecular breakup of C<sub>60</sub> via x-ray diffraction.

Science advances·2025
Same author

Entanglement of Molecular Orientation and Vibronic Degrees of Freedom by Ultrafast Photoexcitation in an Ensemble of Initially Randomly Oriented Molecules.

The journal of physical chemistry letters·2025
Same author

Photoselective isotope fractionation dynamics of N<sub>2</sub> with cosmo and atmospheric chemistry perspectives.

Proceedings of the National Academy of Sciences of the United States of America·2025

Researchers developed a single molecule logic gate using electronically excited states and ionization. This molecular device demonstrates potential for fault-tolerant optical computing applications like adders.

Area of Science:

  • Molecular electronics
  • Quantum chemistry
  • Optical computing

Background:

  • Single molecule logic gates offer miniaturization potential for computing.
  • Utilizing electronically excited states and ionization/fragmentation presents novel switching mechanisms.
  • Differences in photon absorption cross-sections are key to optical control.

Purpose of the Study:

  • To design and analyze a single molecule logic gate.
  • To explore applications in fault-tolerant optical computing, specifically half adders and full adders.
  • To demonstrate the physical implementation of logic concatenation using intramolecular transfer.

Main Methods:

  • Exploiting differences in one- and two-photon absorption cross-sections.
  • Modeling the temporal evolution of molecular states using kinetic equations.

Related Experiment Videos

  • Simulating time-varying laser fields to control molecular switching.

    • Main Results:

    • Demonstrated the feasibility of a single molecule logic gate.
    • Proposed fault-tolerant optical half adder and full adder designs.
    • Achieved logic concatenation via intramolecular transfer in 2-phenylethyl-N,N-dimethylamine (PENNA).

    Conclusions:

    • Single molecule logic gates are achievable using excited states and ionization.
    • Molecular devices show promise for advanced optical computing architectures.
    • High contrast ratios are attainable for molecular logic operations.