ArticleThe journal of physical chemistry letters2014
Persistent Inter-Excitonic Quantum Coherence in CdSe Quantum Dots.
Article in The journal of physical chemistry letters, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 103 citations in OpenAlex.
- Exciton-phonon coupling and phonon-assisted exciton relaxation dynamics in InNature communications · 2025Article
- Constructing Dynamical Symmetries for Quantum Computing: Applications to Coherent Dynamics in Coupled Quantum Dots.Nanomaterials (Basel, Switzerland) · 2024Article
- Nucleation-mediated growth of chiral 3D organic-inorganic perovskite single crystals.Nature chemistry · 2023Article
- A quantum information processing machine for computing by observables.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Ultrafast Coherent Delocalization Revealed in Multilayer QDs under a Chiral Potential.The journal of physical chemistry letters · 2023Article
- Coherent vibrational dynamics of AuChemical science · 2022Article
- Fluorescence-Detected Pump-Probe Spectroscopy.Angewandte Chemie (International ed. in English) · 2021Article
- 2D Electronic Spectroscopic Techniques for Quantum Technology Applications.The journal of physical chemistry. C, Nanomaterials and interfaces · 2021Review
- Massively parallel classical logic via coherent dynamics of an ensemble of quantum systems with dispersion in size.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Atomic fluctuations in electronic materials revealed by dephasing.Proceedings of the National Academy of Sciences of the United States of America · 2020Article
- Deciphering hot- and multi-exciton dynamics in core-shell QDs by 2D electronic spectroscopies.Physical chemistry chemical physics : PCCP · 2018Article
- Two-Dimensional Electronic Spectroscopy Unravels sub-100 fs Electron and Hole Relaxation Dynamics in Cd-Chalcogenide Nanostructures.The journal of physical chemistry letters · 2017Article
- Exploring size and state dynamics in CdSe quantum dots using two-dimensional electronic spectroscopy.The Journal of chemical physics · 2014Article
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
Abstract
The creation and manipulation of quantum superpositions is a fundamental goal for the development of materials with novel optoelectronic properties. In this letter, we report persistent (~80 fs lifetime) quantum coherence between the 1S and 1P excitonic states in zinc-blende colloidal CdSe quantum dots at room temperature, measured using Two-Dimensional Electronic Spectroscopy. We demonstrate that this quantum coherence manifests as an intradot phenomenon, the frequency of which depends on the size of the dot excited within the ensemble of QDs. We model the lifetime of the coherence and demonstrate that correlated interexcitonic fluctuations preserve relative phase between excitonic states. These observations suggest an avenue for engineering long-lived interexcitonic quantum coherence in colloidal quantum dots.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.