Theoretical description of two-photon phase conjugation in polar molecules

C. Hoerner, J. P. Lavoine, and A. A. Villaeys
Phys. Rev. A 48, 1564 – Published 1 August 1993
PDFExport Citation

Abstract

Degenerate four-wave-mixing phase conjugation is analyzed in the case of two-photon transitions between levels having unequal dipole moments. The theoretical treatment is based upon a nonperturbative solution of the density matrix and does not require the rotating-wave approximation. We give an analytical expression for the polarization component oscillating at the field frequency for a medium excited by stationary waves. In the weak-probe-beam limit, the contributions in the direction of the probe and conjugated beams are evaluated. For instance, by using this two-photon process, instead of the usual single-photon one which is independent of the permanent dipole moments even in the strong-field limit, it is shown that lower intensities are sufficient to reach higher reflectivities. The influences of the permanent dipole moments, relaxation rates, and field frequency are also discussed.

  • Received 30 November 1992

DOI:https://doi.org/10.1103/PhysRevA.48.1564

©1993 American Physical Society

Authors & Affiliations

C. Hoerner, J. P. Lavoine, and A. A. Villaeys

  • Institut de Physique et Chimie des Matériaux de Strasbourg, Groupe d‘Optique Nonlinéaire et d’ Optoélectronique, 5, rue de l’ Université, 67084 Strasbourg CEDEX, France

References (Subscription Required)

Click to Expand
Issue

Vol. 48, Iss. 2 — August 1993

Reuse & Permissions
Access Options
Author publication services for translation and copyediting assistance advertisement

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review A

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×