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Optics Letters


  • Vol. 21, Iss. 18 — Sep. 15, 1996
  • pp: 1445–1447

Second-harmonic generation based on quasi-phase matching: a novel configuration

Yujie J. Ding and Jacob B. Khurgin  »View Author Affiliations

Optics Letters, Vol. 21, Issue 18, pp. 1445-1447 (1996)

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We consider the possibility of generating second-harmonic radiation by the interaction of two counter-propagating fundamental waves in a quasi-phase-matched second-order nonlinear medium in a waveguide. The conversion efficiency reaches a maximum at an optimum pump intensity. For a large range of pump intensities below a certain pump intensity the efficiency is larger than that for the copropagating configuration. The saturation intensities at which the efficiency reaches 72% for poled KTiOPO4 and LiNbO3 can be achieved with lasers now available.

© 1996 Optical Society of America

Original Manuscript: May 6, 1996
Published: September 15, 1996

Yujie J. Ding and Jacob B. Khurgin, "Second-harmonic generation based on quasi-phase matching: a novel configuration," Opt. Lett. 21, 1445-1447 (1996)

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