Spectral inversion with no wavelength shift based on four-wave mixing with orthogonal pump beams.
Generation of phase-conjugate light with no wavelength shift that utilizes four-wave mixing (FWM) with two orthogonal pump beams is discussed. Owing to the polarization properties of nondegenerate FWM, phase-conjugate light generated at the original signal wavelength can be obtained. An experiment using dispersion-shifted fiber as an optical nonlinear medium confirms the proposed scheme.
Inoue
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