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Optics Letters

Optics Letters


  • Vol. 28, Iss. 5 — Mar. 1, 2003
  • pp: 316–318

Low-loss waveguides of benzylidene-aniline derivatives by organic molecular beam heteroepitaxy

Tomoya Yamashiki and Keiji Tsuda  »View Author Affiliations

Optics Letters, Vol. 28, Issue 5, pp. 316-318 (2003)

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An organic nonlinear optical crystal waveguide consisting of 4′-nitrobenzylidene-3-acetamino-4-methoxyaniline (MNBA) and 4′-nitrobenzylidene-3-ethylcarbonylamino-4-methoxyaniline (MNBA-Et) has been fabricated by a two-step heteroepitaxial growth technique. An MNBA-Et homoepitaxial layer used as a buffer layer prevents the formation of a MNBA polycrystalline domain at the heteroepitaxial interface. The MNBA-Et homoepitaxial layer also improves the crystallinity of a single-domain MNBA heteroepitaxial layer. The transmission loss of the MNBA–MNBA-Et slab waveguide is reduced to less than 3 dB/cm by the insertion of the MNBA-Et homoepitaxial layer.

© 2003 Optical Society of America

OCIS Codes
(130.2790) Integrated optics : Guided waves
(160.2100) Materials : Electro-optical materials
(160.4890) Materials : Organic materials
(190.4390) Nonlinear optics : Nonlinear optics, integrated optics
(190.4400) Nonlinear optics : Nonlinear optics, materials
(310.1860) Thin films : Deposition and fabrication

Tomoya Yamashiki and Keiji Tsuda, "Low-loss waveguides of benzylidene-aniline derivatives by organic molecular beam heteroepitaxy," Opt. Lett. 28, 316-318 (2003)

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