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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 19, Iss. 2 — Jan. 15, 1994
  • pp: 93–95

Effect of chirped nonlinear optical susceptibility corrugation on the Čerenkovian second-harmonic power in a slab waveguide

Heihachi Sato, Yuji Azumai, and Hidehisa Nozawa  »View Author Affiliations


Optics Letters, Vol. 19, Issue 2, pp. 93-95 (1994)
http://dx.doi.org/10.1364/OL.19.000093


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Abstract

By introducing sinusoidal chirping into a periodic nonlinear optical susceptibility, we propose that the Čerenkov radiative second-harmonic generation is greatly enhanced in theoretical calculations, and this is demonstrated with an organic copolymer. The use of nonlinear optical chirping with an average χ(2) period of 20 μm, a modulation period 200 μm (modulation index ≃9), and a total length of 2 mm with the VDCN/VAc copolymer film yields enhanced second-harmonic generation by a factor of ~7. This enhancement is much greater than that with a uniform periodic χ(2) film with a period of 60 μm, which is consistent with the theoretical estimates.

© 1994 Optical Society of America

History
Original Manuscript: July 15, 1993
Published: January 15, 1994

Citation
Heihachi Sato, Yuji Azumai, and Hidehisa Nozawa, "Effect of chirped nonlinear optical susceptibility corrugation on the Čerenkovian second-harmonic power in a slab waveguide," Opt. Lett. 19, 93-95 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-2-93

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