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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 23, Iss. 10 — Oct. 1, 2006
  • pp: 2142–2147

Linear and nonlinear optical properties of Au–polymer metallodielectric Bragg stacks

Tammy K. Lee, Alan D. Bristow, Jens Hübner, and Henry M. van Driel  »View Author Affiliations


JOSA B, Vol. 23, Issue 10, pp. 2142-2147 (2006)
http://dx.doi.org/10.1364/JOSAB.23.002142


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Abstract

We demonstrate the fabrication of one-dimensional metallodielectric Bragg stacks (MDBSs) from 500 nm spin-coated poly(methyl methacrylate) and 20 nm evaporated Au layers; one-, two-, and three-bilayer structures are achieved with good homogeneity ( < 2 % thickness variation). The linear reflection and transmission spectra show very strong modulation relative to the constituent materials for only a few bilayers; transmission windows associated with sharp Bragg resonances are observed at 600 and 850 nm , while other regions provide reflections of > 90 % . Nonlinear absorption was measured by a z-scan technique and is observed to be enhanced at the Bragg resonances. The 600 nm peak of the three-bilayer MDBS is enhanced by approximately seven times compared to a single Au film. The wavelength dependence of the nonlinear enhancement can be correlated with the attenuation parameter. The experimental results are in good agreement with numerical simulations based on a transfer-matrix method employing the known physical and optical parameters. The MDBSs show strong potential as versatile and inexpensive components for optical devices.

© 2006 Optical Society of America

OCIS Codes
(160.3900) Materials : Metals
(190.4400) Nonlinear optics : Nonlinear optics, materials
(230.1480) Optical devices : Bragg reflectors

ToC Category:
Nonlinear Optics

History
Original Manuscript: February 17, 2006
Revised Manuscript: June 21, 2006
Manuscript Accepted: July 14, 2006

Citation
Tammy K. Lee, Alan D. Bristow, Jens Hübner, and Henry M. van Driel, "Linear and nonlinear optical properties of Au-polymer metallodielectric Bragg stacks," J. Opt. Soc. Am. B 23, 2142-2147 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-10-2142

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