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Optics Letters

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  • Vol. 14, Iss. 24 — Dec. 15, 1989
  • pp: 1383–1385

Conjugate generation and beam steering by nearly degenerate four-wave mixing in waveguide arrays

T. B. Simpson and J. M. Liu  »View Author Affiliations


Optics Letters, Vol. 14, Issue 24, pp. 1383-1385 (1989)
http://dx.doi.org/10.1364/OL.14.001383


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Abstract

We analyze the frequency-shifted conjugate beam generated by nearly degenerate four-wave mixing in an array of single-mode waveguides. We show that if the array sufficiently samples the signal beam, a high-quality conjugate will be generated when the pump beams are counterpropagating. The ability of a waveguide mode to couple to incoming beams over a range of incident directions relaxes the strict phase-matching requirement present in bulk-media four-wave mixing. A shift in the propagation direction of one of the pump beams changes the propagation direction of the generated beam while maintaining the spatial phase coherence.

© 1989 Optical Society of America

History
Original Manuscript: April 21, 1989
Manuscript Accepted: October 13, 1989
Published: December 15, 1989

Citation
T. B. Simpson and J. M. Liu, "Conjugate generation and beam steering by nearly degenerate four-wave mixing in waveguide arrays," Opt. Lett. 14, 1383-1385 (1989)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-14-24-1383


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References

  1. See, e.g., H. Nakajima, R. Frey, Appl. Phys. Lett. 47, 769 (1985);R. Nietzke, P. Fenz, W. Elsasser, E. O. Gobel, Appl. Phys. Lett. 51, 1298 (1987);M. Lucente, J. G. Fujimoto, G. M. Carter, Appl. Phys. Lett. 53, 1897 (1988). [CrossRef]
  2. G. P. Agrawal, J. Opt. Soc. Am. B 5, 147 (1988). [CrossRef]
  3. For a review, see R. W. Hellwarth, in Optical Phase Conjugation, R. A. Fisher, ed. (Academic, New York, 1983), pp. 127–133.
  4. The waveguide propagating beam-coupling analysis is derived from H. Kressel, J. K. Butler, Semiconductor Lasers and Heterojunction LEDs (Academic, New York, 1977), p. 192.
  5. See, e.g., R. A. Fisher, ed., Optical Phase Conjugation (Academic, New York, 1983).
  6. M. Born, E. Wolf, Principles of Optics, 6th ed. (Pergamon, Oxford, UK, 1980), p. 401 and following.
  7. J. W. Goodman, Introduction to Fourier Optics (McGraw-Hill, New York, 1968), Chap. 2.

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