Room-Temperature Optically Detected Coherent Control of Molecular Spins
Optically interfaced molecular spins are a promising platform for quantum sensing and imaging. Key for such applications is optically detecting coherent spin manipulation at room temperature. Here, using the photoexcited triplet state of organic chromophores (pentacene doped in p-terphenyl), we optically detect coherent spin manipulation with photoluminescence contrasts exceeding 15% at room temperature, both in a molecular crystal and thin film. We further demonstrate how multifrequency spin control could enhance such systems. These results open opportunities for room-temperature quantum sensors that capitalize on the versatility of synthetic chemistry.
Authors
- Max Attwood (ORCID: https://orcid.org/0000-0001-6375-2726)
- Emma Bryan (ORCID: https://orcid.org/0000-0002-2570-0762)
- Sam L. Bayliss (ORCID: https://orcid.org/0000-0002-1156-7243)
- Dane R. McCamey (ORCID: https://orcid.org/0000-0001-7727-6804)
- Sandrine Heutz (ORCID: https://orcid.org/0000-0003-3601-9320)
- Adrian Mena (ORCID: https://orcid.org/0000-0003-2676-6656)
- Sarah K. Mann (ORCID: https://orcid.org/0000-0003-0340-621X)
- Angus Cowley-Semple (ORCID: https://orcid.org/0009-0004-7289-6093)
Institutions
- UNSW Sydney (AU)
- Imperial College London (GB)
- University of Glasgow (GB)
Publication Details
- Journal
- Physical Review Letters
- Published
- 2024-09-16
- DOI
- https://doi.org/10.1103/physrevlett.133.120801
- Citations
- 40
- Primary Topic
- Diamond and Carbon-based Materials Research
- Type
- article
- Field-Weighted Citation Impact
- 4.69
Funders
- UK Research and Innovation
- Science Foundation Ireland
- University of New South Wales
- Engineering and Physical Sciences Research Council
- Australian Research Council
- Centre of Excellence in Exciton Science