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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 12, Iss. 12 — Dec. 1, 1995
  • pp: 2398–2405

Čerenkov-type second-harmonic generation in thin planar calix[4]arene waveguiding films

O. F. J. Noordman, N. F. van Hulst, and B. Bölger  »View Author Affiliations


JOSA B, Vol. 12, Issue 12, pp. 2398-2405 (1995)
http://dx.doi.org/10.1364/JOSAB.12.002398


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Abstract

A new type of organic molecule, calix[4]arene, is applied in a second-harmonic-generating waveguide device for the first time. Linear optical properties of the calix[4]arene waveguiding film have been measured with the prism-coupling method. The molecules in the film are oriented by a corona-poling technique. With a Maker-fringe experiment, the induced d33 and d31 at λ = 1064 nm are determined at 8.6 and 2.0 pm/V, respectively. The calix[4]arene thin film has been applied to a Čerenkov-type device that generates second-harmonic light radiating into the glass substrate. The highest efficiency obtained is 0.23% for a fundamental wavelength of 820 nm by the use of fundamental power densities of 100 MW/cm2 in the waveguide and a device length of 6 mm. A coupled-mode theory has been developed that can properly explain the experimentally observed second-harmonic-generating efficiency and the angle of radiation into the substrate. Two methods for the enhancement of device efficiency are proposed, both based on theoretical calculations with the coupled-mode theory. An enhancement of 2 orders of magnitude is feasible.

© 1995 Optical Society of America

Citation
O. F. J. Noordman, N. F. van Hulst, and B. Bölger, "Čerenkov-type second-harmonic generation in thin planar calix[4]arene waveguiding films," J. Opt. Soc. Am. B 12, 2398-2405 (1995)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-12-12-2398

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