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The Statistical Properties of the Coherently Excited Polariton Wave in a Small Volume Crystal
Author(s) -
Misko V. R.,
Moskalenko S. A.,
Rotaru A. H.,
Shvera Yu. M.
Publication year - 1990
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221590156
Subject(s) - polariton , excited state , physics , field (mathematics) , atomic physics , condensed matter physics , mathematics , pure mathematics
A selfconsistent steady state solution is given of the Fokker‐Planck equation for polaritons with wave vector k o and the kinetic equations for the scattered ones are found. The statistics of the coherently excited polaritons k o differs in a most general case from the pure coherent state. It depends on the crystallite volume V , the frequency detuning Δω between the polariton bare frequency ω( k o ) and the laser one ω L , and the driving field energy flow S L . In the case of small values of the product V · S L polariton bunching takes place when Δω < 0, and antibunching in the opposite case. Polariton squeezed states can arise in both the detuning cases.