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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 15 — Jul. 21, 2008
  • pp: 11310–11327

Electro-optic single-crystalline organic waveguides and nanowires grown from the melt

Harry Figi, Mojca Jazbinšek, Christoph Hunziker, Manuel Koechlin, and Peter Günter  »View Author Affiliations

Optics Express, Vol. 16, Issue 15, pp. 11310-11327 (2008)

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Organic nonlinear optical materials have proven to possess high and extremely fast nonlinearities compared to conventional inorganic crystals, allowing for sub-1-V driving voltages and modulation bandwidths of over 100 GHz. Compared to more widely studied poled electro-optic polymers, organic electro-optic crystals exhibit orders of magnitude better thermal and photochemical stability. The lack of available structuring techniques for organic crystals has been the major drawback for exploring their potential for photonic structures. Here we present a new approach to fabricate high-quality electrooptic single crystal waveguides and nanowires of configurationally locked polyene DAT2 (2-(3-(2-(4-dimethylaminophenyl)vinyl)-5,5- dimethylcyclohex-2-enylidene)malononitrile). The high-index-contrast waveguides (Δn = 0.54 ±0.04) are grown from the melt between two anodically bonded borosilicate glass wafers, which are structured and equipped with electrodes prior to bonding. Electro-optic phase modulation is demonstrated for the first time in the non-centrosymmetric DAT2 single crystalline channel waveguides at a wavelength of 1.55 μm. We also show that this technique in combination with DAT2 material allows for the fabrication of single-crystalline nanostructures inside large-area devices with crystal thicknesses below 30 nm and lengths of above 7 mm.

© 2008 Optical Society of America

OCIS Codes
(160.2100) Materials : Electro-optical materials
(160.4890) Materials : Organic materials
(230.2090) Optical devices : Electro-optical devices
(220.4241) Optical design and fabrication : Nanostructure fabrication
(310.6845) Thin films : Thin film devices and applications

ToC Category:

Original Manuscript: May 29, 2008
Revised Manuscript: July 7, 2008
Manuscript Accepted: July 10, 2008
Published: July 14, 2008

Harry Figi, Mojca Jazbinšek, Christoph Hunziker, Manuel Koechlin, and Peter Günter, "Electro-optic single-crystalline organic waveguides and nanowires grown from the melt," Opt. Express 16, 11310-11327 (2008)

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