公开(公告)号：US06542666B2

公开(公告)日：2003-04-01

申请号：US09804577

申请日：2001-03-12

申请人： Toshiaki Tsuda ,  Shigehito Yodo ,  Kazuyo Mizuno ,  Yu Mimura ,  Toshihiko Ohta ,  Yoshihiro Emori ,  Shu Namiki

发明人： Toshiaki Tsuda ,  Shigehito Yodo ,  Kazuyo Mizuno ,  Yu Mimura ,  Toshihiko Ohta ,  Yoshihiro Emori ,  Shu Namiki

IPC分类号： G02B634

CPC分类号： H01S3/067 ,  H01S3/10023

摘要： Wavelength multiplex transmission is realized in which the temperature dependency of an EDFA is compensated for in relation to the wavelengths which are used. A first and a second long-period grating which have different periods from each other are formed in an optical fiber, ensuring that the peak wavelength of a waveform representing an optical transmission loss characteristic of the first long-period grating side is located on the shorter wavelength side than a transmission band and a peak wavelength of a waveform representing an optical transmission loss characteristic of the second long-period grating side is located on the longer wavelength side within the transmission band.

公开(公告)号：US06289154B1

公开(公告)日：2001-09-11

申请号：US09184968

申请日：1998-11-03

申请人： Toshiaki Tsuda ,  Ikuo Ota ,  Toshihiko Ota ,  Yasuhiro Ibusuki ,  Shigehito Yodo

发明人： Toshiaki Tsuda ,  Ikuo Ota ,  Toshihiko Ota ,  Yasuhiro Ibusuki ,  Shigehito Yodo

IPC分类号： G02B634

CPC分类号： G02B6/02138 ,  G02B6/021 ,  G02B6/03627 ,  G02B6/0365

摘要： A grating-type optical component having a high isolation ability at a light-blocking band and a small clad layer mode combination loss at a signal transmission band, and its manufacturing method are provided. A selected area on a core of an optical fiber is irradiated by ultraviolet beams emitted from an excimer laser source through a phase mask in order to produce high index of refraction areas and low index of refraction areas arranged alternately and periodically along the longitudinal axis of the optical fiber. This ultraviolet irradiation is terminated before the index of refraction, which is increasing due to the ultraviolet irradiation, reaches a target value. Then, the phase mask is removed, and the selected area of the core is again irradiated by ultraviolet beams, thereby completing the grating-type optical fiber.

摘要翻译： 提供了在光阻带处具有高隔离能力的光栅型光学部件和在信号传输带上的小包层模式组合损耗及其制造方法。 通过相位掩模从受激准分子激光源发射的紫外线照射光纤的纤芯上的选定区域，以产生高折射率区域和低折射率区域，该区域沿着 光纤。 在由于紫外线照射而增加的折射率达到目标值之前，终止紫外线照射。 然后，去除相位掩模，并且再次用紫外线照射芯的选定区域，由此完成光栅型光纤。

公开(公告)号：US06993220B2

公开(公告)日：2006-01-31

申请号：US10176472

申请日：2002-06-19

申请人： Atsushi Shinozaki ,  Shigehito Yodo ,  Toshihiko Ota

发明人： Atsushi Shinozaki ,  Shigehito Yodo ,  Toshihiko Ota

IPC分类号： G02B6/34

CPC分类号： G02B6/0218

摘要： A temperature-compensated optical fiber component for use in high-density WDM optical communication includes an optical fiber which has a Bragg grating serving as a monochromatic filter, an inner package which supports the optical fiber and causes the Bragg grating to have a temperature-compensating capability, and an outer package arranged outside the inner package. A clearance having a heat insulating function is provided between the outer package and the inner package.

公开(公告)号：US6069988A

公开(公告)日：2000-05-30

申请号：US884068

申请日：1997-06-27

申请人： Kunio Kokura ,  Koichi Furukawa ,  Ikuo Ota ,  Kazunori Watanabe ,  Shigehito Yodo ,  Luksun Li

发明人： Kunio Kokura ,  Koichi Furukawa ,  Ikuo Ota ,  Kazunori Watanabe ,  Shigehito Yodo ,  Luksun Li

IPC分类号： G02B6/34 ,  G02B6/38

CPC分类号： G02B6/29317 ,  G02B6/021 ,  G02B6/02123 ,  G02B6/2558 ,  G02B6/3845

摘要： An optical fiber which comprises a coating layer disposed outside a bare optical fiber having a core and a cladding and a grating formed in the core of the exposed bare optical fiber by removing the coating layer and its manufacturing method. The optical fiber is provided with a re-coating layer disposed in the exposed bare optical fiber.

摘要翻译： 一种光纤，其包括设置在具有芯和包层的裸光纤外侧的涂层和通过去除涂层而形成在暴露的裸光纤的芯中的光栅及其制造方法。 光纤设置有设置在露出的裸光纤中的再涂层。

公开(公告)号：US06795615B2

公开(公告)日：2004-09-21

申请号：US10147287

申请日：2002-05-14

申请人： Atsushi Shinozaki ,  Shigehito Yodo ,  Toshihiko Ota

发明人： Atsushi Shinozaki ,  Shigehito Yodo ,  Toshihiko Ota

IPC分类号： G02B634

CPC分类号： G02B6/0218 ,  G02B6/02209 ,  G02B6/4239

摘要： An optical module for reducing the variance of grating spacing in an optical fiber comprises an optical fiber receiving portion having an optical fiber receiving portion and optical fiber securing portions for receiving and securing the optical fiber to the optical module, respectively. An adhesive agent containing filler and having an excellent water-vapor resistance is applied to the securing portions of the optical module for securing the fiber grating portion of the optical fiber to the optical module.

摘要翻译： 用于减少光纤中的光栅间隔的变化的光学模块包括具有光纤接收部分的光纤接收部分和用于分别将光纤接收和固定到光学模块的光纤固定部分。 将含有填料并具有优异的耐水蒸汽性的粘合剂施加到光学模块的固定部分，用于将光纤的光纤光栅部分固定到光学模块。

公开(公告)号：US5524157A

公开(公告)日：1996-06-04

申请号：US296755

申请日：1994-08-26

申请人： Shigehito Yodo ,  Toru Sato ,  Akio Hasemi

发明人： Shigehito Yodo ,  Toru Sato ,  Akio Hasemi

IPC分类号： G02B6/28 ,  G02B6/26

CPC分类号： G02B6/2835

摘要： An optical fiber coupler in which portions in the lengthwise direction of a plurality of optical fibers whose surface is coated with a carbon film are welded to each other and extended to form a connected portion, and the connected portion is not coated with a carbon film. This coupler is manufactured by arranging in parallel a plurality of optical fibers whose surface is coated with a carbon film so that the portions which are to form a connected portion are brought into contact with each other, and by heating the portions which are to form a connected portion in an atmosphere containing oxygen to join these portions by welding while extending the optical fibers. This optical fiber coupler has high hydrogen resistance and static fatigue strength. Also, the use of this coupler provides a small-sized system as a whole without degrading the optical characteristics.

摘要翻译： 一种光纤耦合器，其中表面涂覆有碳膜的多根光纤的长度方向上的部分彼此焊接并延伸以形成连接部分，并且连接部分未涂覆有碳膜。 该耦合器通过平行布置表面上涂覆有碳膜的多个光纤制成，使得形成连接部分的部分彼此接触，并且通过加热形成 在含有氧的气氛中连接部分通过焊接而连接这些部分，同时延伸光纤。 该光纤耦合器具有高的耐氢性和静态疲劳强度。 此外，该耦合器的使用提供了整体的小型系统，而不降低光学特性。

公开(公告)号：US06947636B2

公开(公告)日：2005-09-20

申请号：US10147283

申请日：2002-05-14

申请人： Atsushi Shinozaki ,  Takashi Shigematsu ,  Toshihiko Ota ,  Shigehito Yodo

发明人： Atsushi Shinozaki ,  Takashi Shigematsu ,  Toshihiko Ota ,  Shigehito Yodo

IPC分类号： G02B6/00 ,  G02B6/02 ,  G02B6/34

CPC分类号： G02B6/0218 ,  G02B6/022

摘要： An optical module comprises an optical fiber having a formed portion to form a fiber grating and a package to which the optical fiber is secured. The package comprises a single package member or at least two or more package members whose materials differ from each other. The optical fiber is secured to the package member. A distortion for adjusting a Bragg reflection wavelength of the fiber grating of the optical fiber is given to the package member.

摘要翻译： 光学模块包括具有形成部分以形成光纤光栅的光纤和光纤固定到其上的封装。 该包装包括单个包装件或至少两个或更多个包装件，其材料彼此不同。 光纤固定在封装件上。 向包装件施加用于调节光纤的光纤光栅的布拉格反射波长的失真。

公开(公告)号：US06834143B2

公开(公告)日：2004-12-21

申请号：US10157677

申请日：2002-05-29

申请人： Atsushi Shinozaki ,  Takashi Shigematsu ,  Toshihiko Ota ,  Shigehito Yodo

发明人： Atsushi Shinozaki ,  Takashi Shigematsu ,  Toshihiko Ota ,  Shigehito Yodo

IPC分类号： G02B634

CPC分类号： G02B6/022 ,  G02B6/3636

摘要： An optical module comprising: a comb-shaped package having a plurality of teeth portions and a base portion; and at least one optical fiber having fiber grating, wherein respective fiber-grating formed portions of at least one optical fiber are placed in corresponding teeth portions and base portion of said package, and the optical fiber is fixed to the base portion and corresponding teeth portion in such manner that the fiber-grating formed portion exists between the base portion and the corresponding teeth portion.

摘要翻译： 一种光学模块，包括：具有多个齿部分和基部的梳状封装; 以及具有光纤光栅的至少一个光纤，其中至少一个光纤的相应光纤光栅形成部分被放置在所述封装的对应的齿部分和基部中，并且光纤被固定到基部和对应的齿部分 纤维光栅形成部分存在于基部和对应的齿部之间。