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1. 发明申请

WO2003060576A3 FILTRE EGALISEUR DE GAIN DYNAMIQUE 审中-公开
公开(公告)号：WO2003060576A3
公开(公告)日：2003-07-24
申请号：PCT/FR2002/002439
申请日：2002-07-11
申请人： ALCATEL , LABIDI, Hedi , GUERIN, Jean-Jacques , RIANT, Isabelle , BONNET, Xavier , DE BARROS, Carlos
发明人： LABIDI, Hedi , GUERIN, Jean-Jacques , RIANT, Isabelle , BONNET, Xavier , DE BARROS, Carlos
IPC分类号： H01S3/067
摘要： Filtre optique dynamiquement comprenant un réseau d'indice (5) inscrit dans une portion de guide d'onde (1) comprenant un coeur entouré d'une gaine optique, caractérisée en ce que la portion de guide comprenant le réseau (5) présente au moins un saut de phase (8) introduit transversalement dynamiquement.

2. 发明申请

WO2005036223A1 SUPPRESSION OF UNDESIRABLE SIGNAL PROPAGATION MODE(S) DOWNSTREAM OF A MODE CONVERTER 审中-公开
标题翻译：抑制模式转换器的不可信信号传播模式（S）下行
公开(公告)号：WO2005036223A1
公开(公告)日：2005-04-21
申请号：PCT/EP2004/010980
申请日：2004-09-29
申请人： SOCIETE ANONYME ALCATEL , DE BARROS, Carlos , PROVOST, Lionel , BONNET, Xavier , RIANT, Isabelle
发明人： DE BARROS, Carlos , PROVOST, Lionel , BONNET, Xavier , RIANT, Isabelle
IPC分类号： G02B6/14
CPC分类号： G02B6/02095 , G02B6/14
摘要： An optical device (D) is dedicated to the transformation of the propagation mode of optical signals. This device comprises at least a first mode converter (3) that is supplied with signals that are propagated in a first guided mode and that delivers the signals in a multimode fibre (4) partly in the first guided mode and partly in a second guided more of a higher order that the first. The multimode fibre (4) comprises at least first passive filtering means (R) which have the task of converting the first guided mode into at least one dissipative cladding mode in order to prevent or limit the propagation of the signals in this first guided mode while at the same time authorising the propagation of the signals having the second guided mode in the multimode fibre (4).
摘要翻译：光学装置（D）专用于光信号的传播模式的变换。该装置至少包括第一模式转换器（3），该第一模式转换器（3）被提供有以第一引导模式传播的信号，并且部分地以第一引导模式传送多模光纤（4）中的信号，并且部分地以第二导向一个较高的阶数是第一个。多模光纤（4）至少包括第一无源滤波装置（R），其具有将第一导模转换成至少一个耗散包层模式的任务，以便防止或限制在该第一导向模式中的信号的传播，同时同时授权在多模光纤（4）中传播具有第二引导模式的信号。

3. 发明申请

WO2004049046A3 THERMALLY TUNABLE AND/OR ADJUSTABLE FILTER 审中-公开
公开(公告)号：WO2004049046A3
公开(公告)日：2004-06-10
申请号：PCT/IB2003/006482
申请日：2003-11-27
申请人： AVANEX CORPORATION , GUERIN, Jean-Jacques , RIANT, Isabelle , ACCARD, Alain
发明人： GUERIN, Jean-Jacques , RIANT, Isabelle , ACCARD, Alain
IPC分类号： G02F1/01
摘要： The invention relates to a thermally tunable filter comprising an optical fiber (1) containing a Bragg grating (10) on a portion of the fiber (1), a resistive film (6) being in thermal contact with the grating (10), wherein the resistive film (6) is deposited on the external surface of a capillary (7) surrounding the portion of fiber containing the grating (10).

4. 发明申请

WO1996011417A1 WAVELENGTH-SELECTIVE OPTICAL COUPLER 审中-公开
标题翻译：波长选择光耦合器
公开(公告)号：WO1996011417A1
公开(公告)日：1996-04-18
申请号：PCT/EP1995003976
申请日：1995-10-09
申请人： ALCATEL N.V.
发明人： ALCATEL N.V. , SANSONETTI, Pierre , RIANT, Isabelle
IPC分类号： G02B06/293
CPC分类号： G02B6/2938 , G02B6/02076 , G02B6/12007 , G02B6/124 , G02B6/29334
摘要： A wavelength-selective optical coupler has an optical coupler (C) arranged between two waveguide structures. The coupler (C) has a coupling zone arranged between said waveguide structures and a Bragg cell (B) within said coupling zone. In a preferred embodiment, the optical coupler (C) is a 100 % light-transmitting coupler. In various different embodiments, the coupler (C) is made of optical fibres or by techniques of optoelectronic integration on a semiconductor glass or silica substrate. The Bragg cell (B) has a constant, multiple or variable pitch. The invention has applications in optical wavelength multiplexing information transmission systems. Said coupler is to be made using standard diameter fibres. However, such fibres have a low Germanium (Ge) content giving them low sensitivity to UV light and making inscription of the Bragg pattern difficult. This problem can be solved by sensitising the fibre to UV light in a different manner, such as by increasing the hydrogen content within the fibre by placing the coupler in a hydrogen atmosphere at high pressure (100-300 bars) for a few weeks. An adequate quantity of hydrogen will be absorbed to make the fibres UV-sensitive and to enable Bragg pattern inscription in the coupling region.
摘要翻译：波长选择性光耦合器具有布置在两个波导结构之间的光耦合器（C）。耦合器（C）具有布置在所述耦合区域内的所述波导结构和布拉格单元（B）之间的耦合区域。在优选实施例中，光耦合器（C）是100％透光耦合器。在各种不同的实施例中，耦合器（C）由光纤或通过半导体玻璃或二氧化硅衬底上的光电集成技术制成。布拉格单元（B）具有恒定的，多个的或可变的间距。本发明在光波长复用信息传输系统中具有应用。所述耦合器将使用标准直径的纤维制成。然而，这种纤维具有低的锗（Ge）含量，使得它们对UV光的敏感性低，并且难以对Bragg图案进行刻录。这个问题可以通过使纤维以不同的方式使紫外光敏化，例如通过在高压（100-300巴）的氢气气氛中放置数周来增加纤维内的氢含量来解决。将吸收足够量的氢气以使纤维成为UV敏感的，并使布拉格图案铭刻在耦合区域中。

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