Abstract
A local-field correction1 can be derived for arbitrary time-dependent fields in an optically dense, nonlinear, homogeneous medium.2 This effect, relates the local microscopic electric field EL to the macroscopic field E and volume polarization P. It has the same form as the Lorentz-Lorenz (LL) relation,1 namely, EL = E + P/3ε0. Here, we consider the effect of the local field interaction on a simple three-level A system known to exhibit lasing without inversion and a nonzero dispersion at zero absorption.3 We predict substantial enhancement of these effects.
© 1993 Optical Society of America
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