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    Method for reducing rejects in the manufacture of integrated optical components
    1.
    发明公开
    Method for reducing rejects in the manufacture of integrated optical components 失效
    一种用于生产集成光学部件的减少废料的方法

    公开(公告)号：EP0862075A1

    公开(公告)日：1998-09-02

    申请号：EP98103121.4

    申请日：1998-02-23

    申请人： PIRELLI CAVI E SISTEMI S.p.A.

    发明人： Castoldi, Andrea ,  Bosso, Sergio

    IPC分类号： G02F1/035 ,  G02B6/13

    CPC分类号： G02B6/1342 ,  G02B6/30 ,  G02F1/035

    摘要： Method for manufacturing electrooptical components comprising an optical structure and an electrical structure on a device, comprising forming at least two optical waveguide structures on a substrate, forming an electrical structure for each optical structure on said substrate, each comprising at least one ground electrode and one signal electrode, respectively associated with said optical waveguide structures, analyzing in succession the optical characteristics of the electrooptical structures constituted by the joining together of said optical structures and said electrical structures formed in accordance with the preceding steps, and choosing one of said electrooptical structures demonstrating, upon said analysis, improved values compared to a predetermined limit; the present invention also relates to electrooptical components comprising independent and symmetrical electrooptical structures.

    摘要翻译： 用于制造电光元件，其包括光学结构，并在一个装置上的电气结构的，包括形成在基片的至少两个光学波导结构，用于对所述基片的每个光学结构上形成电结构，每一个包括至少一个接地电极和一个方法 信号电极，分别与所述光波导结构相关联，连续分析由在雅舞蹈形成为与preceding-步骤光学结构和所述电气结构结合在一起。所述的接合，并选择该光电结构中的一个示范构成的电光结构的光学特性 中，在所述分析，与预定的限制值改进; 本发明因此涉及到电光元件，其包括独立的和对称的电光结构。

    Waveguides for use in acousto-optical mode converters and method for making the same
    3.
    发明公开
    Waveguides for use in acousto-optical mode converters and method for making the same 审中-公开
    Wellenleiter zur Verwendung in akustooptischen Modenumwandlern und Herstellungsmethodedafür

    公开(公告)号：EP0969310A1

    公开(公告)日：2000-01-05

    申请号：EP99110918.2

    申请日：1999-06-04

    申请人： PIRELLI CAVI E SISTEMI S.p.A.

    发明人： Bosso, Sergio ,  Hermann, Harald ,  Morasca, Salvatore ,  Schmid, Steffen

    IPC分类号： G02F1/125 ,  G02F1/335 ,  G02B6/13

    CPC分类号： G02F1/335 ,  G02B6/1342 ,  G02B2006/12116 ,  G02F1/125

    摘要： The invention relates to optical birefringent waveguides, acousto-optical devices using such optical waveguides and an acoustic waveguide formed in a substrate as well as a manufacturing method therefore. The optical waveguides of the invention exhibit a small birefringent variation with respect to a change of waveguide parameters, if the fundamental mode propagating in the optical waveguide has a propagation constant near to the cut-off condition. The optical waveguide dimensions are typically chosen such that the cut-off wavelength of the waveguide is below 1650 nm for an operating wavelength in the window between 1530 nm and 1565 nm. The acousto-optic mode converter using such optical waveguides have a superior conversion characteristic over the conversion frequency with reduced side lobes. Therefore, using the thin and narrow optical waveguides of the invention, a superior performance of the acousto-optical devices using such an optical waveguide can be obtained.

    摘要翻译： 本发明涉及光学双折射波导，使用这种光波导的声光器件和形成在衬底中的声波导以及其制造方法。 如果在光波导中传播的基模具有接近截止条件的传播常数，则本发明的光波导相对于波导参数的变化表现出小的双折射变化。 通常选择光波导尺寸，使得对于1530nm和1565nm之间的窗口中的工作波长，波导的截止波长低于1650nm。 使用这种光波导的声光模式转换器在转换频率上具有优异的转换特性，并且旁瓣减少。 因此，使用本发明的薄而窄的光波导，可以获得使用这种光波导的声光装置的优异性能。