ArticleNature communications2017
Generation of photonic entanglement in green fluorescent proteins.
Article in Nature communications, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 19 citations in OpenAlex.
- Quantum Biology Using Ultrafast Integrative and Molecular Engineering Tools: A Perspective.Computational and structural biotechnology journal · 2026Review
- A unified intracellular pH landscape with SITE-pHorin: a quantum-entanglement-enhanced pH probe.Science China. Life sciences · 2026Article
- Anomalous photophysical behaviors attributed to excitonic coupling in fluorescent proteins.Biophysical journal · 2025Article
- Laser-Fabricated Micro/Nanostructures: Mechanisms, Fabrication Techniques, and Applications.Micromachines · 2025Review
- Second quantization of many-body dispersion interactions for chemical and biological systems.Nature communications · 2023Article
- Nuclear spin effects in biological processes.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- The future of quantum biology.Journal of the Royal Society, Interface · 2018Review
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
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Abstract
Recent development of spectroscopic techniques based on quantum states of light can precipitate many breakthroughs in observing and controlling light-matter interactions in biological materials on a fundamental quantum level. For this reason, the generation of entangled light in biologically produced fluorescent proteins would be promising because of their biocompatibility. Here we demonstrate the generation of polarization-entangled two-photon state through spontaneous four-wave mixing in enhanced green fluorescent proteins. The reconstructed density matrix indicates that the entangled state is subject to decoherence originating from two-photon absorption. However, the prepared state is less sensitive to environmental decoherence because of the protective β-barrel structure that encapsulates the fluorophore in the protein. We further explore the quantumness, including classical and quantum correlations, of the state in the decoherence environment. Our method for photonic entanglement generation may have potential for developing quantum spectroscopic techniques and quantum-enhanced measurements in biological materials.
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