| OPTICAL KERR TYPE NONLINEARITY |
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J. Zaleśny Institute of Physics, Technical University of Szczecin, Al. Piastów 48, 70-310 Szczecin, Poland |
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| The origin of the Kerr type nonlinearity of the medium as a result of the interaction between photons via the Dirac delta-potential is presented in the formalism adopted from the photon wave function approach. In the view of the result the optical soliton may be treated as a bound state (cluster) of many photons. |
| DOI: 10.12693/APhysPolA.99.191 PACS numbers: 42.65.-k |