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    Method of forming a dispersing grating in an optical fiber
    3.
    发明授权
    Method of forming a dispersing grating in an optical fiber 失效
    在光纤中形成分散光栅的方法

    公开(公告)号：US5655040A

    公开(公告)日：1997-08-05

    申请号：US572717

    申请日：1995-12-14

    申请人： Jose Chesnoy ,  Isabelle Riant ,  Pierre Sansonetti

    发明人： Jose Chesnoy ,  Isabelle Riant ,  Pierre Sansonetti

    IPC分类号： G03F7/20 ,  G02B6/34

    CPC分类号： G03F7/70283 ,  G02B6/02133 ,  G02B6/02138 ,  G02B6/02152 ,  G03F7/7035

    摘要： A laser source supplies a primary laser beam. A phase grating generates two secondary beams from the primary beam so as to form interference fringes that are inscribed in an optical fiber by photo-refraction. An optical system of variable focal length varies the gap between the interference fringes so as to vary the pitch of the Bragg grating discretely for successive segments of the optical fiber. Means displace the primary laser beam and the optical fiber relative to each other by successive segments of said fiber. These means are synchronized with the variation of the focal length of the optical system. Application to telecommunications.

    摘要翻译： 激光源提供主激光束。 相位光栅从主光束产生两个次光束，以便通过光折射形成内接在光纤中的干涉条纹。 可变焦距的光学系统改变干涉条纹之间的间隙，以便为光纤的连续段离散地改变布拉格光栅的间距。 意味着主激光束和光纤相对于所述光纤的连续部分彼此相对移位。 这些装置与光学系统的焦距的变化同步。 应用于电讯业。

    Method of manufacturing a multi-core optical fiber
    4.
    发明授权
    Method of manufacturing a multi-core optical fiber 失效
    制造多芯光纤的方法

    公开(公告)号：US5944867A

    公开(公告)日：1999-08-31

    申请号：US26120

    申请日：1998-02-19

    申请人： Jose Chesnoy ,  Jean-Yves Boniort ,  Andre Tardy ,  Claude Brehm ,  Pierre Sansonetti

    发明人： Jose Chesnoy ,  Jean-Yves Boniort ,  Andre Tardy ,  Claude Brehm ,  Pierre Sansonetti

    IPC分类号： C03B37/012 ,  C03B37/028

    CPC分类号： G02B6/02042 ,  C03B37/01222 ,  C03B37/027 ,  C03B2203/34

    摘要： A method of manufacturing a multi-core optical fiber, the method including assembling together a plurality of substantially identical single-core optical fiber preforms (2', 2"), referred to as "single-core preforms", each of which includes a core bar (3) surrounded by a layer of optical cladding (4), so as to form a "multi-core preform" (10) and drawing down the multi-core preform (10) so as to obtain the multi-core optical fiber. The assembly step includes securing the single-core preforms (2', 2") to one another by fusing them over their entire lengths or over portions thereof along their tangential lines of contact (T), without inserting the multi-core preform (10) into a holding tube. A vacuum is maintained in the preform during the drawing step, the vacuum being formed before or during the drawing step.

    摘要翻译： 一种制造多芯光纤的方法，所述方法包括将多个基本上相同的单芯光纤预制棒（2'，2“）组装在一起，被称为”单芯预制棒“，每个包括 由光学包层（4）包围的芯棒（3），以形成“多芯预制棒”（10）并拉下多芯预制棒（10）以获得多芯 光纤。 组装步骤包括通过将单芯预成型件（2'，2“）彼此的整个长度或其部分沿其切线（T）熔合而彼此固定，而不插入多芯预制件 10）进入保持管。 在拉伸步骤期间在预成型件中保持真空，在拉拔步骤之前或期间形成真空。

    Method of manufacturing a multi-core optical fiber
    5.
    发明授权
    Method of manufacturing a multi-core optical fiber 失效
    制造多芯光纤的方法

    公开(公告)号：US5792233A

    公开(公告)日：1998-08-11

    申请号：US560796

    申请日：1995-11-21

    申请人： Jose Chesnoy ,  Jean-Yves Boniort ,  Andre Tardy ,  Claude Brehm ,  Pierre Sansonetti

    发明人： Jose Chesnoy ,  Jean-Yves Boniort ,  Andre Tardy ,  Claude Brehm ,  Pierre Sansonetti

    IPC分类号： C03B37/012 ,  C03B37/028

    CPC分类号： G02B6/02042 ,  C03B37/01222 ,  C03B37/027 ,  C03B2203/34

    摘要： A method of manufacturing a multi-core optical fiber, the method including assembling together a plurality of substantially identical polished single-core optical fiber preforms (2', 2"), referred to as "single-core preforms", each of which includes a core bar (3) surrounded by a layer of optical cladding (4), so as to form a "multi-core preform" (10), and drawing down the multi-core preform (10) so as to obtain the multi-core optical fiber. The assembly step includes securing the single-core preforms (2', 2") to one another by fusing them over their entire lengths or over portions thereof along their tangential lines of contact (T), without inserting the multi-core preform (10) into a holding tube. A vacuum is maintained in the preform during the drawing step, the vacuum being formed before or during the drawing step.

    摘要翻译： 一种制造多芯光纤的方法，该方法包括将多个基本相同的抛光单芯光纤预制棒（2'，2“）组装在一起，被称为”单芯预制棒“ 包括由光学包层（4）包围的芯棒（3），以形成“多芯预制棒”（10），并拉下多芯预制棒（10）以获得多 芯光纤。 组装步骤包括通过将单芯预成型件（2'，2“）彼此的整个长度或其部分沿其切线（T）熔合而彼此固定，而不插入多芯预制件 10）进入保持管。 在拉伸步骤期间在预成型件中保持真空，在拉拔步骤之前或期间形成真空。

    Method of and system for writing a bragg grating point by point by point in an optical fiber
    6.
    发明授权
    Method of and system for writing a bragg grating point by point by point in an optical fiber 失效
    在光纤中逐点写入布拉格光栅的方法和系统

    公开(公告)号：US5768454A

    公开(公告)日：1998-06-16

    申请号：US772514

    申请日：1996-12-24

    申请人： Jose Chesnoy ,  Pierre Sansonetti ,  Isabelle Riant

    发明人： Jose Chesnoy ,  Pierre Sansonetti ,  Isabelle Riant

    IPC分类号： G02B5/18 ,  G02B6/02 ,  G02B6/10 ,  G02B6/26 ,  G02B6/34 ,  G02B27/44

    CPC分类号： G02B6/02138

    摘要： A system for writing a Bragg grating point-by-point in an optical waveguide includes an illumination system for producing a primary beam. It further includes a diffraction grating to receive the primary beam and to produce a zero order secondary beam and two symmetrical secondary beams of higher order and a focusing optical device for focusing the secondary beams onto a writing area of the waveguide. The diffraction grating and the focusing optical device define an intensity function of writing in the area of the guide including a central peak and two secondary peaks spaced from the central peak by a distance equal to the pitch of the grating.

    摘要翻译： 在光波导中逐点写入布拉格光栅的系统包括用于产生主光束的照明系统。 它还包括一个衍射光栅，用于接收一次光束，并产生一个零级二次光束和两个高阶对称次级光束，以及一个聚焦光学器件，用于将二次光束聚焦在波导的写入区域上。 衍射光栅和聚焦光学器件限定了在引导区域中写入的强度函数，其包括中心峰值和与中心峰值间隔开距离等于光栅间距的两个次级峰值。

    Regulated optical amplifier having an optical circulator
    9.
    发明授权
    Regulated optical amplifier having an optical circulator 失效
    具有光循环器的调节光放大器

    公开(公告)号：US5636054A

    公开(公告)日：1997-06-03

    申请号：US534209

    申请日：1995-09-26

    申请人： Serge Artigaud ,  Jean Hervo ,  Pierre Sansonetti

    发明人： Serge Artigaud ,  Jean Hervo ,  Pierre Sansonetti

    IPC分类号： H01S3/13 ,  H01S3/131 ,  H01S3/23 ,  G02F1/39 ,  H01S3/06 ,  H04B10/17

    CPC分类号： H01S3/06754 ,  H01S3/1301 ,  H01S2301/04 ,  H01S3/2333

    摘要： An optical amplifier of the type including an inlet for a light signal to be amplified and an outlet for an amplified light signal that has been amplified by means of an amplifying waveguide that is controlled by regulation light coming from a pumping diode; the amplifier comprising: an optical circulator having an inlet port receiving the light signal to be amplified, an outlet port delivering the amplified light signal, and two intermediate ports, the first of the intermediate ports being connected to the amplifying waveguide; and regulation means having an inlet connected to the second of the intermediate ports and an outlet connected to the pumping diode, whereby the amplifying waveguide has equalized gain for all of the carrier waves constituting the amplified light signal.

    摘要翻译： 一种光放大器，其类型包括用于待放大的光信号的入口和放大的光信号的出口，该放大的光信号已经通过由调节来自泵浦二极管的光控制的放大波导放大; 所述放大器包括：光循环器，具有接收要放大的光信号的入口端口，输出放大的光信号的出口端口和两个中间端口，所述第一中间端口连接到放大波导; 并且调节装置具有连接到第二中间端口的入口和连接到泵浦二极管的出口，由此放大波导具有对构成放大的光信号的所有载波的均衡增益。

    Process for manufacturing a semiconductor laser having a buried ribbon
    10.
    发明授权
    Process for manufacturing a semiconductor laser having a buried ribbon 失效
    具有掩埋带的半导体激光器的制造方法

    公开(公告)号：US4648940A

    公开(公告)日：1987-03-10

    申请号：US806802

    申请日：1985-12-10

    申请人： Louis Menigaux ,  Pierre Sansonetti

    发明人： Louis Menigaux ,  Pierre Sansonetti

    IPC分类号： H01L21/308 ,  H01L33/00 ,  H01S5/00 ,  H01S5/20 ,  H01S5/227 ,  H01L21/306 ,  B44C1/22 ,  H01L21/205 ,  H01L21/22

    CPC分类号： H01L33/0062 ,  H01S5/20 ,  H01S5/227 ,  H01S5/2059 ,  H01S5/2275

    摘要： Process for manufacturing a semiconductor laser having a buried ribbon. After making a double heterostructure (2, 3, 4, 5) on a substrate (1), there is implanted in the contact layer (5) a p-type doping material, which has the effect of rendering it amorphous. The unit, except for a ribbon, is etched which leaves a mesa. A resumption of epitaxy makes it possible to bury the channel. This resumption does not lead to a crystalline growth on the upper surface of the contact layer, although the annealing that takes place during the resumption of epitaxy gives good ohmic contacts at the level of the implanted layer.

    摘要翻译： 具有掩埋带的半导体激光器的制造方法。 在衬底（1）上制造双异质结构（2,3,4,5）之后，在接触层（5）中注入p型掺杂材料，其具有使其变为无定形的效果。 除了丝带之外，该单元被蚀刻，留下台面。 恢复外延使得可以掩埋通道。 这种恢复不会导致接触层的上表面上的结晶生长，尽管在恢复外延期间发生的退火在注入层的水平上产生良好的欧姆接触。