Cognitive ability experiment with photosensitive organic molecular thin films

We present an optical experiment which permits us to evaluate the information exchange necessary to self-induce cooperatively a well-organized pattern in a randomly activated molecular assembly. A low-power coherent beam carrying polarization and wavelength information is used to organize a surface...

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Bibliographic Details
Published in:Physical review letters 2006-07, Vol.97 (4), p.048701, Article 048701
Main Authors: Barille, Régis, Ahmadi-Kandjani, Sohrab, Ortyl, Ewelina, Kucharski, Stanislaw, Nunzi, Jean-Michel
Format: Article
Language:English
Subjects:
Cognition
Computer Simulation
Computers, Molecular
Information Storage and Retrieval - methods
Light
Membranes, Artificial
Models, Chemical
Organic Chemicals - chemistry
Organic Chemicals - radiation effects
Photochemistry - methods
Radiation Dosage
Surface Properties
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Summary:We present an optical experiment which permits us to evaluate the information exchange necessary to self-induce cooperatively a well-organized pattern in a randomly activated molecular assembly. A low-power coherent beam carrying polarization and wavelength information is used to organize a surface relief grating on a photochromic polymer thin film which is photoactivated by a powerful incoherent beam. We demonstrate experimentally that less than 1% of the molecules possessing information cooperatively transmit it to the entire photoactivated polymer film.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.97.048701