Please use this identifier to cite or link to this item: https://doi.org/10.1002/smll.201701777
Title: A Nanophotonic Structure Containing Living Photosynthetic Bacteria
Authors: Coles, D
Flatten, L.C
Sydney, T
Hounslow, E
Saikin, S.K
Aspuru-Guzik, A
Vedral, V 
Tang, J.K.-H
Taylor, R.A
Smith, J.M
Lidzey, D.G
Keywords: Chemical bonds
Excitons
Microcavities
Phonons
Photonics
Photons
Quantum theory
Bio photonics
Electronic energy levels
Nanophotonic structures
Photosynthetic bacterias
Photosynthetic organisms
Polaritons
Self assembled nanostructures
Strong coupling
Bacteria
nanoparticle
bacterium
chemistry
fluorescence imaging
metabolism
photon
photosynthesis
thermodynamics
ultrastructure
Bacteria
Nanoparticles
Optical Imaging
Photons
Photosynthesis
Thermodynamics
Issue Date: 2017
Citation: Coles, D, Flatten, L.C, Sydney, T, Hounslow, E, Saikin, S.K, Aspuru-Guzik, A, Vedral, V, Tang, J.K.-H, Taylor, R.A, Smith, J.M, Lidzey, D.G (2017). A Nanophotonic Structure Containing Living Photosynthetic Bacteria. Small 13 (38) : 1701777. ScholarBank@NUS Repository. https://doi.org/10.1002/smll.201701777
Rights: Attribution 4.0 International
Abstract: Photosynthetic organisms rely on a series of self-assembled nanostructures with tuned electronic energy levels in order to transport energy from where it is collected by photon absorption, to reaction centers where the energy is used to drive chemical reactions. In the photosynthetic bacteria Chlorobaculum tepidum, a member of the green sulfur bacteria family, light is absorbed by large antenna complexes called chlorosomes to create an exciton. The exciton is transferred to a protein baseplate attached to the chlorosome, before migrating through the Fenna–Matthews–Olson complex to the reaction center. Here, it is shown that by placing living Chlorobaculum tepidum bacteria within a photonic microcavity, the strong exciton–photon coupling regime between a confined cavity mode and exciton states of the chlorosome can be accessed, whereby a coherent exchange of energy between the bacteria and cavity mode results in the formation of polariton states. The polaritons have energy distinct from that of the exciton which can be tuned by modifying the energy of the optical modes of the microcavity. It is believed that this is the first demonstration of the modification of energy levels within living biological systems using a photonic structure. © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Source Title: Small
URI: https://scholarbank.nus.edu.sg/handle/10635/181245
ISSN: 16136810
DOI: 10.1002/smll.201701777
Rights: Attribution 4.0 International
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